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625 Cards in this Set

  • Front
  • Back

What are the indications for a carotid endarterectomy?

More than 70% stenosis & symptomatic
Asymptomatic with 80-90% stenosis AND life expectancy >5yrs

What is the most common leukemia in kids?
ALL
What is the most common leukemia in adults (in the US)?

CLL

Philadelphia Chr is almost always seen in this type of leukemia:
CML
Which type of leukemia:
Smudge cells on peripheral smear
CLL
Which type of leukemia:
Peripheral blasts are PAS(+) and Tdt(+)
ALL
Which type of leukemia:
Peripheral blasts are PAS(-), myeloperoxidase(+) and have Auer rods
AML
Which type of leukemia:
Pancytopenia in a Down Syndrome pt
ALL
What is the next step in management of testicular torsion confirmed with U/S?
Manual detorsion & bilateral testicular orchioplexy
What are the causes of hypovolemic hyponatremia?
Thiazide diuretics
Addison’s disease
Fluid loss + H2O replacement
Fever + rash + ↑ Cr + eosinophilia → what is the dx?
Acute Interstitial nephritis (AIN)
What distinguishes primary biliary cirrhosis from primary sclerosing cholangitis?
What type of current or past Hepatitis B exposure is present in each of the following scenarios?
What is the differential dx of ground-glass infiltrates on CXR?
Interstitial pneumonia
PCP
Pulmonary edema (ie CHF, ARDs)
Pulmonary hemorrhage
Hypersensitivity pneumonitis
What is the treatment for Whipple disease?
TMP-SMX (Bactrim) for 1 yr
What medication is used to close a PDA?
Indomethacin
What complications can arise from electrical burns?
Cardiac dysrhythmias
Compartment syndrome
Bony injuries
Myoglobinuria → renal failure
Neurologic disturbances
What eye abnormality is seen with a lesion to the oculomoter nerve (CN 3)?
Fixed, dilated pupil with Down & out gaze
What are the differing presentations of Alzheimer’s dementia, Pick’s disease, and Lewy body dementia?
What's the derm term for:

Flat spot <1cm (non-palpable, just visible)
Macule

examples: Freckles, tattoos
What's the derm term for:
Flat spot > 1cm
Patch

examples: port-wine stain
What's the derm term for:

Solid, elevated lesion < 1cm (palpable)
Papule

mneumonic: "Palpable Papules"
examples: Wart, acne,
lichen planus
What's the derm term for:

Same as papule but >1cm and flat-topped
Plaque

example: psoriasis
What's the derm term for:

Palpable, solid lesion > 1cm & not flat-topped
nodule

ex: Small lipoma, erythema nodosum
What's the derm term for:

Elevated, circumscribed lesion <5mm containing clear fluid (small blister)
Vesicle

ex: Chickenpox,
genital herpes
What's the derm term for:

Same as vesicle but >5mm (large blister)
bulla

ex: Contact dermatitis
Pemphigus
What's the derm term for:

Itchy, transiently edematous area
wheal

ex: allergic reaction
Describe the proper treatment for skin abscesses
What are some of the distinguishing characteristics of necrotizing fasciitis?
Unexplained, excruciating pain in the absence of or beyond areas of cellulitis
Erythema with blister and bullae formation & possible crepitus
DM patient with foot cellulitis and signs of systemic toxicity
Perineal cellulitis with abrupt onset & rapid spread (Fournier’s gangrene)
What is the general treatment for necrotizing fasciitis?
Immediate, extensive surgical debridement
Antibiotics:
General empiric polymicrobial coverage → imipenem (or meropenem) +/- vancomycin
If streptococci → Penicillin G +/- Clindamycin
If Clostridia → Penicillin G + Clindamycin

Treatment for shock if it arises (IVF, dopamine)
What are the distinguishing characteristics of gangrene?
What is the treatment for a limb with dry gangrene?
Autoamputation over time
Angiography to evaluate the extent & location of peripheral artery disease → distal bypass of stenotic areas → if circulation improves & healing is adequate, then amputation of the affected region
What is the treatment for wet gangrene infection?
Emergency debridement or guillotine amputation of the infected portion of the foot then revision to a below or above the knee amputation 72 hours later
(antibiotics are indicated if cellulitis or gas gangrene is present)
A 66 yo M with long-standing poorly controlled DM arrives at the ER c/o a horrid smell coming from his left foot. He denies pain, but admits to having lost the feeling in his feet a long time ago from the diabetes. On exam there is an open wound btw the 1st and 2nd toe on the left foot. Pus drains from the wound and some crepitus is felt in the area. The odor is atrocious. The pt is tachycardic and feverish. What tx does he need?
Dx: Wet gangrene
Tx: emergency surgical exploration & debridement; possible amputation
A 44 yo AA woman is in the office for evaluation of an area of inflammation in her left axilla. She said that initially the area was simply itchy but has now become painful. On exam the area has about 6 papules and nodules that are erythematous, indurated and warm. The skin is fluctuant, and drainage is noted at some of the lesions. How will this patient need to be treated?
Dx: Hidradenitis
Tx: Incision & Drainage (I&D) + Antibiotics
Note: Hydradenitis Suppurativa treatment:
Tetracyclines
Macrolides
Intralesional steroids
OCPs
Spironolactone
Isotretinoin
A patient is admitted to the ICU for fluid resuscitation and monitoring following trauma with significant blood loss. A central line that was inserted into the right groin emergently in the ER has been in place for a few days, and now the surrounding skin is red and warm. Also, the pt’s temp is rising, and the WBC ct is elevated. What is the likely cause?
Central line infection
A 7 yo boy is brought to the county clinic with a rash. The mother denies that the child has acted ill. The exam is unremarkable besides perioral honey-crusted lesions & regional lymphadenopathy. What can be used to tx this pt?
Dx: uncomplicated impetigo
Tx: washing the area, removing the crusts, topical antibiotics +/- systemic antibiotics
A 57 yo diabetic female has a severe infection in her right foot. An open purulent wound is draining from the top of her right foot and redness extends from the toes to just above the ankle. However, she has exquisite tenderness that extends beyond the redness to midway up the leg. CT scan of the extremity shows many small air collections in the fascia overlying the muscles what treatment is needed?
Dx: Necrotizing fasciitis
Tx; extensive surgical debridement, possible amputation
Broad spectrum antibiotics with gram (+) and Gram (-) coverage & anaerobic coverage
Wound culture prior to antibiotics administration
What tx options are available for patients with acne vulgaris?
What are the treatment options for rosacea?
What treatments are available for children with chicken pox?
What is the treatment for an uncomplicated varicella zoster outbreak in an elderly patient?
Which acne medication is known for causing photosensitivity?
Tetracyclines
What should you know about oral isotretinoin (Accutane) in the treatment of acne?
Usually, try 2-3 other therapies prior to using this therapy
Check β-hCG, CBC, lipids, LFTs regularly
(25% develop ↑ triglycerides: >800 = risk of pancreatitis)
For dry skin – moisturizing soap, lotions, Chapstick, polysporin to nares PRN, eye drops PRN
Screen for depression & suicidal ideation each visit
Never use with tetracycline → combined risk of pseudotumor cerebri
OCPs should be prescribed to women pts due to high risk of of teratogenic side effects
HYQ: What is the classic presentation of rosacea?
Middle-aged patient
Facial erythema w/ telangiectasias starting at nose & cheeks
Recurrent facial flushing provoked by various stimuli: hot or spicy foods, alcohol, temp extremes, emotional reactions
Inflammatory papules, pustules, cysts and/or nodules similar in appearance to acne but without comedones
Ocular blepharitis, conjunctivitis, and/or keratitis
Rhinophyma (sebaceous gland hyperplasia of the nose)
What are the clinical features of varicella chicken pox?
Prodrome of malaise, fever, pharyngitis, headache, and myalgia for 24 hours prior to rash onset
Pruritic evolving rash: red macules → teardrop vesicles → rupture & crusting over
Vesicular rash starts on face & trunk then spreads to extremities
Rash appears in successive crops of vesicles over 2-4 days
Most all lesions are fully crusted by 6 days
Skin bacterial superinfections may occur (group A strep pyogenes)
Adults may also develop pneumonia and/or encephalitis
What medications are used in the treatment of postherpetic neuralgia?
Gapapentin, Pregabalin, Lidocaine patches, Capsaicin cream
A 15 yo girl is brought to the dermatologist for tx of her acne. What is the causative organism in acne?
Propionibacterium acnes
An elderly woman presents with a rash on her right flank. She says that the rash appeared a few days ago and followed a recent cataract surgery. The rash is causing her terrible pain. On exam the rash extends from the spine past the mid-axillary line in a dermatomal distribution. The rash is composed of grouped erythematous vesicles. What can be used to treat this patient?
Dx: Herpes Zoster
Tx: acyclovir, valacyclovir, famciclovir
Acetominophen (tylenol) or opioid analgesia
A 41 yo woman with rosacea is seen in the clinic. It is a mild case, for which avoidance of the triggers of facial flushing would be an initial therapy. What are some examples of things to avoid?
Hot/spicy drinks or food, Alcohol, Caffeine
Extremes of temperature, Exercise, Wind
Skin products that irritate
Extreme emotions
A friend of yours has significant allergies this season for which his doctor has given him the following treatment, “a shot, and pills that I take decreasing doses each day for about a week.” Your friend is concerned b/c he has noticed that his face suddenly has “as many zits as I did when I was 17.” What medication was likely in the shot & the pills he is taking?
Dx: acne triggered by steroids
A 25 yo man is in the office for cold sores. On exam he has a collection of 3 small vesicles at the vermillion border. He says that they are painful. This is the second time he has had these. He says he knew he was about to get them b/c he could feel a tingly sensation at that location for a few days before the lesions appeared. What studies might be helpful to diagnose this disease?
Dx: HSV 1
Test: Tzanck smear
Which HPV types cause skin warts? Genital warts?
Skin warts: Type 1 – 4
Genital warts: Type 6, 11
What are the different treatment options for condyloma acuminata (genital warts)?
Spontaneous regression of small asymptomatic warts within 3 months occurs about 25% of the time
Podophyllotoxin (Self-administered) – for vulvar lesions in nonpregnant women
Podophyllin – for vulvar lesions in nonpregnant women
Trichloroacetic acid (TCA): often 1st line therapy
Imiquimod: (self administered) – for vulvar lesions in nonpregnant women, induces interferon mediated antiviral response
Cryoablation with liquid nitrogen
What are the characteristic features of tinea versicolor?
Pale, velvety pink (“salmon-colored”), light-brown, or whitish hypopigmented macules
Usually limited to the upper trunk & extremities
Lesions do not tan
Lesions do not appear scaly, but scale when scraped
Miscroscopic exam reveals both hyphae & spores (“spaghetti & meatballs”) in 10% KOH prep
What are the treatments for tinea versicolor?
Topical OTC antifungal for 2 weeks
Terbinafine (Lamisil) Clotrimazole (Lotrimin)
Selenium sulfide (foam, solution, shampoo) qd-BID daily to affected areas for 1 week → then q1-3 weeks for prophylaxis
Ketoconazole 2% shampoo daily for 3 days
Oral antifungal for extensive disease: ketoconazole, fluconazole, itraconazole
What is the treatment for onychomycosis?
What is the tx for pediculosis capitis and pediculosis pubis?
An obese, 42 yo diabetic woman c/o a pruritic rash underneath her breasts. Exam reveals an erythematous patchy rash underneath large, pendulous breasts. What diagnostic study would be helpful, and what would be seen?
Dx: Intertrigo (candida)
Study: KOH prep – see pseudohyphae
A 30yo patient with a pruritic scaly lesion is evaluated. A KOH prep of the lesion shows hyphae. What oral agents are available to treat this condition in the case that it is refractory to topical treatment?
Dx: Dermatophyte/ tinea
Tx: one of the “azoles” (ketoconazole, fluconazole, itraconazole)
A 13yo girl is brought to the county clinic with a rash on her wrists and hands, which becomes intensely pruritic when she bathes. On exam, the rash consists of narrow burrows and erythematous papules. What medication options are available for this rash?
Dx: Scabies
Tx: Primethrin Cream, Oral Ivermectin, Diphenhydramine
Minimize contact, good hygiene, wash all lines & clothes in hot water
A 22yo Asian patient comes to your office. She is concerned b/c she noticed small areas of hypopigmentation on her back. She says these areas are more noticeable in the summer. What is the organism that is likely causing her skin condition?
Dx: Tinea versicolor
Organism: Malassesia furfur
When treating pediculosis with malathion, what symptoms might suggest malathion toxicity?
Cholinergic symptoms: lacrimation, salivation, diarrhea, muscle excitation
When should antibiotics be used in the tx of skin abscesses?
If abscess is > 5 cm
If patient is at high risk due to DM, Steroids, immunocompromised
What medication is preferred in the tx of scabies?
Permethrin
What are the characteristic features of necrotizing fasciitis?
Unexplained excruciating pain in absence of cellulitis or beyond areas of cellulitis
Erythema with blistering or bullae
Crepitus in the cellulitis
Cellulitis of the perineum
DM pt with foot cellulitis and signs of systemic toxicity
What is the treatment for dry gangrene? Wet gangrene?
Dry: autoamputation or tx of vascular disease then amputation
Wet: debridement with possible amputation
What medication options are available for the treatment of acne vulgaris?
1st line: topical retinoid
2nd line: benzoyl peroxide
topical or oral antibiotics
spironolactone
OCPs
Isoretinoin (Accutane)
What is the time-frame in the treatment of varicella?
Need to start tx within first 72 hours
What side-effects can arise from the use of oral isotretinoin (Accutane)
Teratogenic
Drying of skin & mucous
Hepatotoxicity
↑ triglycerides
depression, suicidal ideation
pseudotumor cerebri if given with tetracycline
HYQ: What is the treatment of molluscum contagiosium?
Self-resolve
Laser or cryotherpay
Imiquimod – gets the body to kill the virus itself
What is the treatment for tinea capitis?
Oral Griseofulvin, Oral Itraconazole, Oral Terbinafine
What is the treatment for rosacea?
Topical sulfacetamide
Topical metronidazole
Laser therapy for rhinophyma
Systemic tx: tetracycline, doxycycline, minocycline, isoretinoin
What are the characteristic features of erythema multiforme?
Skin lesions with a target appearance (dull red center, a pale zone, and a darker outer ring)
Lesions can take many different shapes (multiforme)
Lesions develop over 10+ days: macule → vesicles/bullae in the center of the papule
Common sites: hands/forearms, soles/feets, face, elbows & knees, penis & vulva
Severe form (EM Major) always involves the mucus membranes → can become SJS/TEN
What is the treatment for erythema multiforme?
Stop any inciting medication
Symptomatic tx with antipruritics
If severe → systemic glucocorticoids (although no proven effectiveness)
If patient also has h/o HSV → antiviral such as acyclovir or valacyclovir
What is the distinction bwn Stevens-Johnson syndrome (SJS) and toxic epidermal necrolysis (TEN)?
SJS is the less severe form of TEN
SJS: skin sloughing (epidermal detachment) is limited to less than 10% of body surface area
TEN: at least 30% of the skin is detaching
there is overlap btw the two at 10-30% skin involvement
What is the treatment for infantile seborrheic dermatitis (aka cradle crap)?
Selenium sulfide (Selsun Blue) shampoo 2x/wk until resolved
Massaging olive oil into the scalp and leaving for 15 min can help remove scales when washing
+/- hydrocortisone 1% cream BID to affected area
How does seborrheic dermatitis manifest in adults?
Erythema, scaling, and white flaking in areas of sebaceous glands including eyebrows, nasolabial folds, face, external ear, scalp, upper trunk, and body folds (axilla, groin)
What diseases are a/w an ↑ incidence of seborrheic dermatitis?
Parkinson’s, HIV, Psoriasis, immunocompromised pts (ie transplant pts)
Exacerbations are common in emotional stress & hositalizations
Severe intractable SD may point to HIV infection
What are the available tx for atopic dermatitis (aka eczema)?
What are the possible side effects of the calcineurin inhibitors (Elidel cream or Protopic ointment) in the treatment of atopic dermatitis?
Do not cause systemic effects or skin atrophy like topical steroids. Safe on face/ eyelids
Try to avoid in children younger than 2 years due to higher rates of URIs. However most dermatologists have no problems using these in those under 2 years b/c the alternative of using topical steroids would probably have more side effects
Preliminary studies suggest possible slight ↑ in risk of lymphoma. Therefore keep duration as short as possible
A 34 yo M is started on phenytoin to control his seizures. Shortly thereafter, he begins to have malaise, fever, headache, and a rash. On PE his skin is very red & sloughing off in some areas. How should this patient be treated?
Dx: Stevens Johnson Syndrome
Tx: D/c Phenytoin, give IVF & corticosteroids, analgesics
Admit to burn unit, IVIG may be needed
An infant is brought to the physician with an area of greasy scaling over part of her scalp. What recommendations can be given for this?
Dx: Seborrheic Dermatitis
Tx: Selenium Shampoo, Tar, ketoconazole, OTC topical hydrocortisone
A 40yo patient has erythematous plaques covered with silver scales on his knees and elbows. He also c/o arthralgia. What do you expect to find on a skin biopsy?
Dx: Psoriasis
Labs: ↑ ESR & negative RF
Biopsy: thickened epidermis with nucleated cells in stratum corneum, absent stratum granulosum
A 27yo F c/o fatigue & muscle aches. She notes a recent recurrence of her cold sores. PE reveals a large plaque with a red center and perimeter but a paler inner region. What is the diagnosis, and the cause of the disease in this case? What can be given to treat her?
Dx: Erythema multiforme due to HSV
Tx: Acyclovir, Valacyclovir, Analgesics, corticosteroids
What drugs are used in the treatment of Psoriasis?
What is the treatment for pityriasis rosea?
This is a self-limiting disease of 4-6 weeks, and no treatment is necessary. Sunlight is helpful
If significant itching, may use a moderate potency topical steroids
If extensive disease or severe itching → phototherapy
Possibly beneficial but unproven:
Erythromycin 250mg 4x/day x 14days
Acyclovir 800mg 5x/day x 7 days
What are the characteristic features of lichen planus?
Skin involvement: pruritic, purple, polygonal papules and plaques that are shiny and flat and commonly occur on the flexor surface of the extremities (ie wrist)
Wickham’s striae: is a white, lacelike pattern on the surface of the papules/plaques
Mucus membrane involvement: Wickham’s striae in the lateral buccal mucosa nd possible erosive lesions that may become infected with Candida
Genital involvement: usually limited to violaceous papules on the glans penis in men and vulva of women
What infections are a/w an ↑ likelihood of lichen planus?
Young patients: HIV
Older patients: Hepatitis C
What is the treatment of Lichen Planus?
Corticosteroids of medium to high-potency – topical or intralesional (oral if topical unsuccessful)
Acitretin (or oral retinoid)
What are the different stages of decubitus ulcers?
What is the tx for the diff stages of sacral decubitus ulcers?
HY: What is the characteristic appearance of stasis dermatitis?
Eczematous dermatitis with inflammatory papules, scaly and crusted erosions, ↑ pigmentation, stippling with recent and old hemorrhages and possible ulceration
HY: What is the treatment for stasis dermatitis?
Compressive dressings or stocking with at leas 20-30 mmHg of pressure (usually 30-40mmHg)
Elevation of the legs above the heart whenever possible but for at least 30 min 3-4 times a day
Topical steroids
Consider horse chestnut seed extract – 300mg (50mg of aescin) BID esp if unwilling to wear compressive stockings
Aspirin 300-325mg/day (may accelerate the healing of venous ulcers)
(Treatment of ulceration from chronic venous insufficiency is not addressed here)
A 70 yo pt has dry, scaly skin of the lower legs. It is also of a darker color than the rest of his skin. What is the pathophysiology of this disease?
Dx: Stasis Dermatitis
Target lesion
Erythema multiforme
Punctate bleeding when silvery scale is removed
Psoriasis
Christmas tree pattern rash
Pityriasis Rosea
Pruritic, dry rash of flexor surfaces
Eczema/ Atopic Dermatitis
Red plaques with silvery scale
Psoriasis
Greasy, yellow scales on scalp
Seborrheic Dermatitis
Pruritic, purple, polygonal papules and plaques
Lichen Planus
Tender erythematous pretibial nodules
Erythema nodosum
What are the 2 most important ways to both prevent and treat decubitus ulcers?
Maintain adequate nutrition
Relieve pressure by frequent positioning
Use appropriate mattress & pillows
A 26yo computer programmer c/o an itchy rash on his back, It started out as a single erythematous oval with a thin white scale over it. The rash then progressed and now forms a series of streaks in a roughly triangular shape on his back. The man is averse to taking medications. How can he be treated with this preference in mind?
Dx: Pityriasis Rosea
Self-limited disease, sunlight may help
Meds: topical corticosteroids, acyclovir, erythromycin
A 40yo woman arrives at the ER malnourished and c/o abdominal pain. She has a fever, tachycardia, and dehydration. Her skin is leathery from chronic sun exposure, but you especially notice nodules appearing on her anterior leg. The skin overlying these is reddish-purple and tender to palpation. The patient denies trauma to the area. Abdominal CT scan with constrast reveals obstruction with a string sign and skip lesions. What are the diagnoses for this patient?
Dx: Erythema nodosum & IBD (Crohn’s Disease)
A patient presents with erythema multiforme. What meds are the most common offenders?
Penicillins, Sulfonamides
NSAIDs
Anticonvulsants
OCPs
What are the distinctions btw erythema multiforme, Stevens-Johnson Syndrome (SJS) and Toxic Epidermal Necrosis (TEN)?
EM: milder disease, most likely without mucous membrane involvement, no sloughing of skin
SJS: sloughing of skin < 10%, mucous membranes involved
TEN: worst form, >30% of skin sloughing
What is the classic presentation of pityriasis rosea?
Herald patch, followed by Christmas tree pattern rash several days later
What is the treatment for pityriasis rosea?
Self-limited, no tx needed
What are the clinical features of pityriasis versicolor?
Hypopigmented lesions with a transparent scale
KOH prep: spaghetti & meatball appearance
What is the treatment for pityriasis versicolor?
Topical antifungal for 2 weeks
Ketoconazole
Selenium sulfide
What is the classic presentation of erythema nodosum?
Pretibial nodules (painful, erythematous)
What is the classic presentation of lichen planus?
Pruritic, Purple, Polygonal papules & plaques, Flexor surfaces & extremities
What is the treatment for seborrheic dermatitis?
Selenium sulfide, coal tar shampoo, ketoconazole shampoo
Steroids
What are the treatment options for psoriasis?

Topical steroids
Calcipotriene
Tazarotene
Coal tar
Anthralin
Salicyclic acid
UV therapy
Soriatane
Intralesional steroids
Anti-TNF agents

What are the distinctive features of pemphigus vulgaris & bullous pemphigoid?
What are the distinctive features of pemphigus vulgaris & bullous pemphigoid?
What is the treatment and prognosis for pemphigus vulgaris?

Steroids – high dose systemic (1 mg/kg/day)
Azathioprine or cyclophosphamide can be used as a steroid-reducing adjuvant
Treat wounds as burns
Antibiotics if infection is present
Dermatologist referral & possible life-long suppressive therapy
Prog: fatal if untreated, mortality of 5% even with treatment

What is the treatment for bullous pemphigoid?

steroids

What is the classic presentation of porphyria cutanea tarda?
Chronic blistering lesions on sun-exposed areas of skin (usually dorsum of hands, face, forearms, legs)
Facial hypertrichosis and hyperpigmentation
Pseudoscleroderma with cutaneous thickening, scarring and calcification
Elevated LFTs (AST, ALT, GGT)
Hepatitis C infection is common
Elevated “total plasma porphyrin”
What is the treatment for porphyria cutanea tarda?
Phlebotomy
Low-dose chloroquine or hydroxychloroquine
Avoidance of alcohol, estrogens, iron supplements
Sunscreen use
Most common type of melanoma
Superficial spreading melanoma
Non-pigmented melanoma
Amelanotic melanoma
Dark papule on the legs or trunk that bleeds with minor trauma
Nodular melanoma
which type of melanoma occurs on palms, soles, or beneath the nail bed in pts with dark skin
Acral lentiginous melanoma
Dark lesion larger than 6mm with irregular, asymmetric borders
Superficial spreading melanoma
What do the antibodies target in bullous pemphigoid & pemphigus vulgaris?
PV: epidermis, anti-desmosome
BP: basement membrane, dermal-epidermal junction, anti-hemidesmosome
Which type of melanoma:

Grows only vertically
Nodular
Which type of melanoma:
Found on palms, soles and nail beds
Acral Lentiginous
Which type of melanoma:
Most common type
Superficial spreading
Which type of melanoma:
A longstanding precancerous lesion before dermal invasion
Lentigo Maligna
Which type of melanoma:
Lateral growth occurs before vertical invasion
Superficial spreading
What type of biopsy is appropriate for a pigmented skin lesion? A pale firm pearly heaped up area of epidermis? An erythematous, scaly lesion?
Punch or excisional, don’t use shave for pigmented lesion!
A hairy homeless man with blisters on the face & hands comes to the ER> Lab studies reveal elevated AST, ALT and GGT> What enzyme is deficient in this disease? What comorbid infection may also be present in this man?
Dx: Porphyria cutanea tarda
Deficient enzyme: Hepatic uroporphyrinogen decarboxylase
Comorbid infection: Hepatitis C
A 60 yo bald Caucasian man comes to the clinic with several reddish, sandpaper-like lesions on the top of his head each measuring less than 1 cm. How can these be treated?
Dx: Actinic Keratosis
Tx: topical 5-Fluorouracil, Imiquimod, Cryotherapy
A 65yo M presents with a pearly papule with telagniectasia on the tip of his nose. What is the likely dx?
Dx: Basal Cell Carcinoma
What are the treatment options for melasma?
Hydroquinone (3% solution or 4% cream)
Azelaic acid 20% cream
Flucinolone 0.01% + hydroquinone 4% + tretinoin 0.05%
Prevention by minimizing sunlight exposure and by using an opaque sunblock (titanium dioxide or zinc oxide)
What are the characteristic features of vitiligo?
Sharply demarcated patches of complete depigmentation (due to loss of melanocytes)
Borders are hyperpigmented
More common at acral areas & around body orifices
Skin is of normal texture (which excludes morphea & lichen sclerosus)
Assoc with thyroid disease in 30% of pts (esp women)
Most common at ages 20-30
What comorbidities are a/w vitiligo?
Autoimmune disorders: Graves Disease, autoimmune thyroiditis, pernicious anemia, type 1 DM, primary adrenal insufficiency, hypopituitarism, alopecia areata, autoimmune hepatitis
What is the treatment for vitiligo?
What treatment options are available for treating acanthosis nigricans?
Treat the underlying disorder which may require weight loss, discontinuation of an offending agent (ie glucocorticoids, OCPs) or identification and removal of a malignancy
Lightening agents may be used which often include Retin-A (tretinoin) and topical steroids
Fish oil oral supplementation may also be used
Purple-red on face that does not regress with age
Port Wine Stain
(Sturge Weber)
Infant with bright-red lesion that regresses over mos-yrs
Strawberry Hemangioma
Benign small red papule that appears on skin with age
Cherry Hemangioma
Bright red papule with radiating blanching vessels
Spider angioma (Cirrhosis)
Blue compressible mass that does not regress
Cavernous Hemangioma
Red-pink nodule on a child that is often confused with melanoma
Spitz Nevis
What is the treatment for uncomplicated infantile hemangioma? When are infantile hemangiomas worrisome?
Since most uncomplicated infantile hamaniomas (aka strawberry hemangioma) gradually resolve within the first 2 years of life (or at least 10% resolution each year) observation is usually the best treatment
They are worrisome and require additional treatment (such as systemic steroids) if periorbital, in an airway, or associated with high-output heart failure
What are the clinical features of alopecia areata?
Asymptomatic, non-inflammatory, non-scarring areas of complete hair loss
May be precipitated by stress
Regrowth after 1st attack in 30% by 6 months, in 50% by 1 yr, in 80% by 5 years
10-30% will no re-grow hair, 5% progress to total hair loss
Obtain syphilis screen, CBC, BMP, ESR, TSH, ANA (to rule out pernicious anemia, chronic active hepatitis, thyroid disease, SLE, Addison’s)
R/o trichotillomania (pulling-out one’s hair) – look for broken hair shafts of different lengths, consider shaving a small patch and observe over a few weeks for growth
What is the treatment for alopecia areata?
What is the treatment for androgenic alopecia?
What is the term for the malar hyperpigmentation that can occur during pregnancy?
Melasma
A 31yo woman has patches of hypopigmentation on her skin. Considering the associated comorbidities with this condition, what endocrine test might you order initially?
Dx: Vitiligo
Labs: Check TSH
(Vitiligo is a/w thyroid disease in 30% of pts, esp women)
Name the common plastic surgery procedure done for drooping eyelids
Blepharoplasty
What treatment is indicated for a newborn with an uncomplicated strawberry hemangioma on the face?
Usually no tx – will regress with time
A 30 yo woman comes to the medical clinic b/c she has noticed a few small areas of complete absence of hair on her scalp. What are some labs that would help narrow the diagnosis of the cause of this skin condition?
Suspect: Alopecia Areata (an idiopathic condition)
Labs (to r/o secondary causes of hair loss): VDRL, RPR, CBC, Metabolic panel, ESR, TSH, ANA, LFTs (to rule out pernicious anemia, chronic active hepatitis, thyroid disease, SLE, Addison’s)
Don’t forget to ask about stress, nutrition
What is the most imp prognostic indicator in cases of melanoma?
Depth of lesion
a/w obesity, diabetes, or malignancy (esp if over age 50)
Acanthosis Nigricans
Pigmented plaques that appear to be stuck onto the skin
Seborrheic Keratosis
Black velvety plaques on flexor surfaces and intertriginous areas
Acanthosis Nigricans
Rough lesions on sun exposed skin that are easier to feel than see
Actinic Keratosis (AK)
Circular rash with central clearing on the trunk or arms
Tinea Corporis
What is the classic appearance of basal cell cancer (BCC)?
Pearly papule with Telangiectasias
What is the classic appearance of squamous cell cancer (SCC)?
Papule or ulcer with scaling or keratinization
Regular or disorderly appearance
Painful or painless
What is the classic appearance of porphyria cutanea tarda?
Chronic blistering lesion on sun exposed areas
Hypertrichosis & hyperpigmentation of the face
HYQ: From the presentation, how might pemphigus vulgaris be distinguishable from bullous pemphigoid?
PV: (+) Nikolsky sign, flaccid, sloughs easy with light pressure
BP: (-) Nikolsky sign, thick, tense, difficult to rupture
What are the treatment options for actinic keratosis?
Topical 5-fluorouracil
Cryotherapy
Imiquimod
Purple-red on face that does not regress with age
Port Wine Stain
(Sturge Weber)
Infant with bright-red lesion that regresses over mos-yrs
Strawberry Hemangioma
Benign small red papule that appears on skin with age
Cherry Hemangioma
Bright red papule with radiating blanching vessels
Spider angioma (Cirrhosis)
Blue compressible mass that does not regress
Cavernous Hemangioma
Red-pink nodule on a child that is often confused with melanoma
Spitz Nevis
What treatments are available for androgenic alopecia?
Finasteride, Minoxidil, Spironolactone
What are the possible underlying causes of alopecia areata?
Syphilis, pernicious anemia, Lupus, chronic active hepatits, thyroid disease, Addison’s
Q001. Ankylosing Spondylitis - What is it; Risk factors
A001. Chronic inflammatory disease of spine and pelvis; sacroilitis => fusion of affected joints; 20's - 30's; seronegative; HLA-B27; risk factors – male, family History
Q002. Ankylosing Spondylitis - History/PE
A002. History - hip and low back pain, worse with inactivity, worse in mornings, better with activity, thru day; PE - hip pain and stiffness; limited chest expansion; loss of lumbar lordosis; positive Schober test - decreased spine flexion; may have anterior uveitis,; 3rd degree heart block; aortic insufficiency => CHF
Q003. Ankylosing Spondylitis - Dx
A003. Dx based on clinical & XR; HLA-B27; ESR - may be elevated; RF & ANA - negative; spine and pelvic XR - "bamboo spine"
Q004. Ankylosing Spondylitis - Tx
A004. NSAIDs; exercise; physical therapy
Q005. Reiter's - What is it
A005. "Can't see, can't pee, can't climb a tree"; conjunctivitis; uveitis; urethritis; arthritis; may also have - keratoderma blennorrhagicum, circinate balanitis; after infection with – campylobacter, Shigella, salmonella, chlamydia, ureaplasma; seronegative; HLA-B27; young men
Q006. Psoriatic Arthritis - What is it
A006. Chronic inflammatory arthritis; psoriasis of skin; psoriatic nail lesions; DIP joints; sausage-shaped digits; "mushroom caps"; HLA-B27; seronegative
Q007. Rheumatoid Arthritis - What is it
A007. Chronic autoimmune diseases; peripheral joints - symmetrically inflamed; progressive destruction of articular tissue; erosion of - cartilage, bones, tendons; systemic Sxs; atlanto-axial subluxation; ruptured Baker's cyst; MC females 35-50; HLA-DR4; T cell activation - why HIV improves pre-existing

Q008. Rheumatoid Arthritis - History/PE

A008. Insidious onset of morning stiffness > 1 hr; painful, warm swelling of multiple symmetric joints > 6 wks; MC - wrist, MCP, PIP, any joint may be involved; axial rare except upper cervical spine; ulnar deviation; MCP joint hypertrophy, swan-neck, boutonniere; subq, painless Baker's cysts
Q009. Rheumatoid Arthritis - Dx

A009. RF (anti-Fc IgG Ab); ESR; synovial fluid aspiration - slightly turbid, decreased viscosity, WBC 3,000-50,000

Q010. Rheumatoid Arthritis - Tx
A010. NSAIDs; COX-2 inhib; severe – corticosteroids, methotrexate, hydroxychloroquine sulfate, gold, azathioprine; operative may be necessary.
Q011. Felty's Triad - What is it
A011. RA; splenomegaly; neutropenia
Q012. Juvenile Rheumatoid Arthritis - What is it
A012. Nonmigratory, nonsuppurative, mono- and poly-arthropathy; bony destruction; < 16 y/o; lasts > 6 wks; 95% - disease resolves by puberty
Q013. Juvenile Rheumatoid Arthritis - History/PE
A013. 3 patterns; all patterns may have – fever, nodules, erythematous rashes, pericarditis, fatigue; pauciarticular - MC form, < 4 joints, weight-bearing joints; ANA type - MC subtype, asymm involvement of lg. joint, iridocyclitis – insidious, if not treated => blind; RF type - poor prognosis, HLA-B27 - boys also have spondyloarthropathies,; polyarticular - > 5 joints, similar to adult RA, symmetric, may develop iridocyclitis; Still's disease (systemic) - least common, daily high spiking fever, evanescent salmon-colored rash, hepatosplenomegaly, serositis
Q014. Juvenile Rheumatoid Arthritis - Dx
A014. No diag tests; XR; RF - positive in 15%; ANA - may be positive; RBC decreased; elevated – ESR, WBC, platelets; normal ESR doesn't exclude Dx
Q015. Juvenile Rheumatoid Arthritis - Tx
A015. NSAIDs; corticosteroids; ROM and strength exercises; methotrexate; monitor iridocyclitis
Q016. Scleroderma - What is it
A016. Progressive systemic sclerosis; multisys disease; thickening of skin from; accumulation of connective tissue; MCC of death - pulmonary; CREST - better prognosis; MC - females 30-50
Q017. Scleroderma - History/PE
A017. All have thick skin & Raynaud's; Lung - pulmonary fibrosis => restrictive lung disease and cor pulmonale; GI - esophageal dismotility, achalasia, decreased motility of small intestines, dilation of large intestines, large diverticula; renal - malignant HTN => ARF; CREST - limited form
Q018. CREST - What is it
A018. Calcinosis; Raynaud's; esoph dysmotility; sclerodactyly; telangiectasias
Q019. Scleroderma - Dx

A019. RF; ANA; eosinophilia; anticentromere Ab - CREST; anti-Scl-70 - systemic

Q020. Scleroderma - Tx

A020. Systemic glucocorticoids; Ca2+ channel blockers - Raynaud's; ACE inhibitor - renal disease, HTN

Q021. SLE - What is it

A021. Multisys autoimmune; women - especially Black; Ab-mediated cellular attack; deposits of Ag-Ab complexes; lupus-like syndrome - drug-induced lupus, Hydralazine, penicillamine, Procainamide, INH, methyldopa; rash only, anti-histone Ab, resolves when drug discont.

Q022. SLE - History/PE
A022. DOPAMINE RASH; Discoid rash; Oral ulcers; Photosensitivity; Arthritis; Malar rash; Immunologic criteria; Neuro Sxs - lupus cerebritis, seizures; Elevated ESR; Renal disease; ANA positive; Serositis; Hematologic abnormalities; Sxs exacerbated - sun exposure, pregnancy
Q023. SLE - Dx
A023. Anemia; leukopenia; TCP; ANA; anti-dsDNA; anti-Sm Ab; active attacks - decreased C3 and C4; antihistone Ab - drug-induced; anti-Ro (SSA) - neonatal lupus, neonatal congenital heart block if pregnant, screen; antiphospholipid Ab – hypercoagulability, thromboembolic disease, recurrent spontan abortions, stillbirths; Tx - LMWH
Q024. SLE - Tx
A024. Arthritis - NSAIDs; major organ involvement - steroids; flare-ups - steroids; antimalarials - rash; nephritis – cytotoxics, cyclophosphamide, azathioprine
Q025. SLE - Complications
A025. Infections; progressive impairment of – brain, heart, lungs, kidney; increased risk - spontaneous abortion (antiphospholipid Ab); neonates - increased risk of congenital complete heart block (anti-Ro/SSA)
Q026. Temporal Arteritis - What is it
A026. Giant cell arteritis; women 2x's > men; > 50 y/o; subacute granulomatous inflamm; large vessels – aorta, external carotid - especially temporal, vertebral a; blindness - occlusion of central retinal; polymyalgia rheumatica - 50%
Q027. Temporal Arteritis - History/PE
A027. Headache; temporal tenderness; scalp pain; jaw claudication; fever; monocular blindness - transient or permanent; weight loss; malaise; myalgia; arthralgia
Q028. Temporal Arteritis - Dx
A028. ESR; ophthalmologic evaluation; Biopsy - temporal artery
Q029. Temporal Arteritis - Tx
A029. If suspect TA - start steroids before Biopsy; hi-dose prednisone - 1-2 mos. before taper; monitor eye exams
Q030. Henoch-Schönlein Purpura - What is it
A030. Immune-mediated vasculitis; IgA immune complexes; small arteries - GI tract; skin; joints; kidney; 2-11 y/o; degree of renal involvement; det. prognosis
Q031. Henoch-Schönlein Purpura - History/PE
A031. Palpable purpura - buttocks and legs; asymmetric, migratory; periarticular swelling; abdominal pain; preceding URI
Q032. Henoch-Schönlein Purpura - Tx
A032. Usually self-limited; Tx supportive; steroids - Sxs
Q033. Henoch-Schönlein Purpura - Complications
A033. GI bleeding; intussusception; glomerulonephritis
Q034. Polymyalgia Rheumatica - What is it
A034. Elderly females; close association with; temporal arteritis
Q035. Polymyalgia Rheumatica - History/PE
A035. Pain and stiffness – shoulder, pelvic girdle; especially severe in morning or after inactivity; minimal joint swelling; fever, malaise, weight loss; hard to - get out of chair, lift arms above head; muscles not weak; pain limits muscle effort
Q036. Polymyalgia Rheumatica - Dx
A036. Clinical; anemia; ESR high
Q037. Polymyalgia Rheumatica - Tx
A037. Low-dose prednisone
Q038. Inflammatory Myopathies - What Are They
A038. Inflammatory muscle diseases; progressive muscle weakness; polymyositis; dermatomyositis; inclusion body myositis
Q039. Inflammatory Myopathies - History/PE
A039. Difficulty with proximal muscles - lifting objects, combing hair, getting up from chair; difficulty with distal later - writing; dermatomyositis - heliotrope rash, Grottron's papules
Q040. Inflammatory Myopathies - Dx
A040. Most sensitive test - CK - elevated; aldolase - elevated; anti-jo-1 autoAb; EMG; muscle Biopsy - confirms
Q041. Inflammatory Myopathies - Tx
A041. Steroids - polymyositis; dermatomyositis; inclusion body myositis - resistant to immunosuppressives
Q042. Fibromyalgia - What is it
A042. Connective tissue d/o; myalgia; weakness; fatigue; no inflammation; associated with – depression, anxiety, IBS; MC women > 50
Q043. Fibromyalgia - History/PE
A043. Pain when palpate at least 11 of 18 tender points; palpate "trigger point"=> pain, body aches; fatigue; sleep disorders
Q044. Fibromyalgia - Dx
A044. Dx of exclusion; myofascial pain syndrome - < 11 tender points or nonfibromyalgia-associated tender points
Q045. Fibromyalgia - Tx
A045. Stretching; heat application; hydrotherapy; transcutan electrical; nerve stimulation; patient education; stress reduction; low-dose antidepressants
Q046. Sjogren's - What is it
A046. Chronic autoimmune disease; lymphocytes infiltrate exocrine glands; can become progressive => systemic => lymphoproliferative (malignant lymphome)
Q047. Sjogren's - History/PE
A047. Xerostomia; dry eyes; keratoconjunctivitis sicca; "sandy feeling under eyes"; dental caries; parotid enlargement
Q048. Sjogren's - Dx
A048. Schirmer's test - decreased tear production; rose bengal stain - corneal ulcers; anti-Ro (SSA) & anti-La (SSB); Biopsy - lymphocytes infiltrate salivary gland
Q049. Sjogren's - Tx
A049. None; symptomatic Tx - artificial tears
Q050. What drugs can induce SLE?
A050. Procainamide; Hydralazine; Isoniazid; Chlorpromazine; Methyldopa; Quinidine
Q051. What are the features of SLE?
A051. Fever, anorexia, malaise, weight loss; Butterfly rash; Nail fold infarcts; Splinter hemorrhages; Raynaud's Phenomenon
Q052. What is the diagnostic criteria for SLE?
A052. Requires 4 of 11 criteria:; Malar rash; Discoid rash; Photosensitivity; Oral ulcers; Arthritis; Serositis; Renal disorder; Seizures, psychosis; Hematologic; Immunologic; Positive ANA
Q053. How do you treat SLE?
A053. Refer to rheumatologist; NSAIDS; Antimalarial drugs; Steroids; Immunosuppressive drugs; Anticoagulation
Q054. What is antiphospholipid antibody syndrome?
A054. Recurrent venous or arterial occlusions; Recurrent fetal loss; Thrombocytopenia; Antiphospholipid antibodies; No other features of SLE
Q055. What is scleroderma?
A055. diffuse fibrosis of the skin and internal organs
Q056. What are the two forms of scleroderma?
A056. Limited - CREST; Diffuse - Renal failure, intersitial lung disease, cardiac disease
Q057. What is CREST syndrome?
A057. Calcinosis; Raynaud's syndrome; Esophageal dysmotility; Sclerodactyly; Telangiectasia
Q058. What are the clinical findings of scleroderma?
A058. Polyarthralgia, Raynaud's phenomenon; Thickened skin, with loss of normal folds; telangiectasia, pigmentation, depigmentation; Dysphagia; Restrictive lung disease; Pericarditis, heart block; Renal disease
Q059. What labs do you see with scleroderma?
A059. mild anemia; normal ESR; positive ANA; SCL-70; Anticentromere antibody (50% w/ CREST)
Q060. How do you treat scleroderma?
A060. Severe Raynaud's phenomenon - nifedipine, losartan; Esophageal reflux - H2 blockers, PPI, antacids; Bacterial overgrowth and pseudoobstruction - octreotide; Malabsorption d/t bacterial overgrowth - tetracycline
Q061. True or False: Prednisone is commonly used in the treatment of scleroderma.
A061. False
Q062. What is Sjogren's Syndrome?
A062. chronic dysfuction of exocrine glands
Q063. What are the clinical findings of Sjogren's Syndrome?
A063. keratoconjunctivitis; burning, itching, FB sensation in eye; Dry mouth; Loss of taste and smell; Parotid enlargement; Desiccation of nose, throat, larynx, vagina, skin; Dysphagia; Pancreatitis
Q064. What labs do you see with Sjogren's syndrome?
A064. Mild anemia; Leukopenia; Eosinophilia; Polyclonal hypergammaglobulinemia; Positive RF; ANA; Anti-SS-a and Anti-SS-b; Thyroid-associated autoimmunity; Schirmer test; Lip biopsy; Parotid gland biopsy
Q065. What does a Schirmer test measure?
A065. quantity of tears secreted
Q066. How do you treat Sjogren's syndrome?
A066. Supportive and symptomatic
Q067. What drug can relieve xerostomia?
A067. Pilocarpine
Q068. People with Sjogren's are at risk for developing what?
A068. lymphoma
Q069. What is polymyalgia rheumatica?
A069. pain and stiffness in neck, shoulder, and pelvic girdle
Q070. What are the characteristics of polymyalgia rheumatica?
A070. pain and stiffness in neck, shoulder, and pelvic girdle; symmetrical symptoms; more prolonged in the morning; low-grade fever, fatigue, weight loss
Q071. Does PMR have muscle weakness?
A071. No
Q072. What labs do you see with polymyalgia rheumatica?
A072. ESR and CRP elevated; Anemia and mild thrombocytosis
Q073. How do you treat polymyalgia rheumatica?
A073. Prednisone 10-20 mg/day for 6 months-2 years
Q074. Know about Giant Cell Arteritis.
A074. Symptoms; Treatment
Q075. What is polyarteritis nodosa?
A075. medium-sized necrotizing arteritis
Q076. What can cause polyarteritis nodosa?
A076. Idiopathic; Hep B or C; Drugs
Q077. What drugs can cause polyarteritis nodosa?
A077. PTU; Hydralazine; Allopurinol; Penicillamine; Sulfasalazine
Q078. What are the signs and symptoms of polyarteritis nodosa?
A078. fever, malaise, weight loss; pain in extremities; Foot drop; livedo reticularis; HTN
Q079. What labs do you see in polyarteritis nodosa?
A079. anemia; elevated ESR; Leukocytosis; Hep B or C
Q080. How do you confirm a diagnosis of polyarteritis nodosa?
A080. tissue biopsy
Q081. How do you treat polyarteritis nodosa?
A081. corticosteroids (up to 60mg/day); immunosuppressive agents (cyclophosphamide); refer to rheumatologist
Q082. What is a complication of polyarteritis nodosa?
A082. mesenteric vasculitis
Q083. What is Reiter's syndrome?
A083. Reactive arthritis
Q084. What causes Reiter's syndrome?
A084. dysentery - Shigella, Salmonella, Yersinia, Campylobacter; STD - Chlamydia
Q085. What are the clinical findings of Reiter's syndrome?
A085. Urethritis; Conjunctivitis; Mucocutaneous lesions; Aseptic arthritis; Fever, weight loss; Aortic regurgitation
Q086. With Reiter's syndrome, what do you see on x-ray?
A086. permanent or progressive joint disease (sacroiliac or peripheral joints)
Q087. How do you treat Reiter's syndrome?
A087. NSAIDS; antibiotics at time of infection; tetracycline; sulfasalazine; methotrexate; anti-TNF agents
Q088. True or False: Once symptoms of Reiter's syndrome develop, antibiotics can reduce the severity of the disease.
A088. False
Q089. Sjogren's si/sx
A089. triad - keratoconjuctivitis sicca, xerostomia, arthritis; also, pancreatitis, fibrinous pericarditis
Q090. Sjogren's labs
A090. + ANA, antiRo/antiLa abs, 70% RF +; a/w HLA-DR3
Q091. Behcet's si/sx
A091. 20 yo; oral/genital ulcers; uveitis, arthritis, other derm disease
Q092. Dermatomyositis si/sx
A092. young kids, old peeps; symmetric weakness of proximal muscles (can see dysphonia/dysphagia) look for trouble getting out of chair. skin involvement = heliotrope rash around eyes + periorbital edema
Q093. Dermatomyositis labs
A093. high ESR, high CPK, abnormal EMG, muscle biopsy --> inflammation + ANA
Q094. Kawasaki's si/sx
A094. <5 yo; truncal rash, fever >104x(>5d), conjunctival injection, cervical LAD, strawberry tongue, skin desquamation. -> coronary vessel vasculitis, aneurysms, MI
Q095. Kawasaki Tx
A095. NOT STEROIDS; aspirin + IVIG
Q096. Polyarteritis nodosa si/sx
A096. Associated with hepatitis B + cryoglobulinemia; fever, abdominal pain, weight loss, renal disorder, peripheral neuropathies.
Q097. Polyarteritis nodosa labs
A097. high ESR, leukocytosis, anemia, hematuria/proteinuria. Biopsy of medium-sized vessels --> vasculitis
Q098. Scleroderma si/sx
A098. C - calcinosis; R - raynaud's; E - esophageal dysmotility; S - sclerodactyly; T- telangectasia; heartburn, mask-like leathery facies.
Q099. Scleroderma labs
A099. Positive ANA; positive anticentromere Abs = CREST; positive antitopoisomerase = scleroderma
Q100. What drugs can cause secondary SLE?
A100. procainamide; hydralazine; dilantin (phenytoin); sulfanomide; INH
Q101. What is the dx lab in secondary SLE?
A101. Positive antihistone Abs
Q102. What are the dx labs in SLE?
A102. Positive ANA screen; positive antiSm or anti-ds-DNA
Q103. What are other lab findings in SLE?
A103. false positive for VDRL or RPR for syphilis; PTT falsely elevated; (SLE actually thrombogenic)
Q104. Takayasu's arteritis si/sx
A104. East Asian women 15-30yo; "pulseless" in 1 or both arms. carotid involve --> neuro sign, stroke; CHF
Q105. Wegener's granulomatosis si/sx
A105. old peep; nose bleeds, nasal perforation, hemoptysis, dyspnea, hematuria, ARF
Q106. What's the diff between Wegener's and Goodpasture?
A106. Weg = old peep, +ANCA; Goodpasture = young peep, positive antiglomerular antibody
Q107. Polymyalgia Rheumatica si/sx
A107. Women >50yo; Pectoral and pelvic girdles, neck involvement; a/w temporal arteritis
Q108. Polymyalgia Rheumatica labs
A108. Really high ESR; normal muscle biopsy/EMG
Q109. Rheumatoid factor
A109. It is an antibody against the Fc portion of IgG = RF & IgG form immune complexes. which is itself an antibody, IgM or IgA type.
Q110. RF or RhF positive in:; is often determined in patients suspected in any form of arthritis
A110. High levels RF: generally > 20 IU/mL; rheumatoid arthritis: present in 80%; Sjögren's syndrome: present in 60%
Q111. false (+) RF or RhF; Blood test performed in patients with suspected rheumatoid arthritis (RA)
A111. Chronic hepatitis; Any chronic viral infection; Leukemia; Dermatomyositis; Infectious mononucleosis; Scleroderma; Systemic lupus erythematosus (SLE)
Q112. Sjögren's syndrome; * antibodies to Ro(SSA) or La(SSB) antigens, or both; * > 40 years old at the time of diagnosis & Woman >> Man
A112. an autoimmune disorder in which immune cells attack and destroy the exocrine glands that produce tears and saliva with Schirmer test(+); A lip biopsy can reveal lymphocytes clustered around salivary gland
Q113. Spondyloarthropathies
A113. Group of related INFLAMMATORY JOINT Ds associated with the MHC class I molecule HLA-B27
Q114. Seronegative spondylarthropathy
A114. Spondylarthropathy & (-)rheumatoid factor (RhF)
Q115. Non-specific spondylarthropathy
A115. Indicator of other rheumatological disease (in particular rheumatoid arthritis)
Q116. Subgroups (with increased HLA-B27 frequency)
A116. ankylosing spondylitis Caucasians (AS, 92%),; ankylosing spondylitis African-Americans (AS, 50%),; reactive arthritis (Reiter's syndrome) (RS, 60-80%),; enteropathic arthritis associated with inflammatory bowel disease (IBD, 60%),; Psoriatic arthritis (60%),; isolated acute anterior uveitis (AAU, iritis or iridocyclitis, 50%), and; undifferentiated SpA (USpA, 20-25%).
Q117. Buergers
A117. thromboangiitis obliterans;; idiopathic, segmental, thrombosing vasculitis of intermed/small peripheral arteries and veins; seen in heavy smokers (tx- stop smoking)
Q118. Buerger's findings
A118. intermittent claudication, superficial nodular phlebitis, cold sensitivity, pain
Q119. Takayasu's arteritis
A119. pulseless disease;; granulomatous thickening of aortic arch and/or proximal great vessels;; associated with elevated ESR; primarily affects Asian females < 40 y/o
Q120. Takayasu's sxs
A120. fever,; arthritis,; night sweats,; myalgia,; skin nodules,; ocular disturbances,; weak pulses in upper extremities
Q121. Temporal arteritis (giant cell)
A121. most common vasculitis that affects medium and small arteries, usually branches of carotid; focal, granulomatous; unilateral HA, jaw claudication, impaired vision (occlusion of opthalmic artery- blindness); half of patients have systemic involvement and polymyalgia rheumatica; elevated ESR
Q122. Temporal arteritis treatment
A122. steroids
Q123. young male smoker
A123. buergers
Q124. young asian female with weak pulses in upper extremities
A124. takayasus
Q125. PAN
A125. necrotizing immune complex inflammation of medium sized muscular arteries typically involving renal and visceral vessels; sxs: weight loss, malaise, fever, abdominal pain, melena, HA, myalgia, HTN, neuro dysfunction, cutaneous eruptions
Q126. PAN association
A126. hep B;; multiple aneurysms and constrictions on arteriogram; not associated with ANCA (P maybe)
Q127. Tx of PAN
A127. corticosteroids, cyclophosphamide (hemorrhagic cystitis)
Q128. Wegener's granulomatosis
A128. traid of focal necrotizing vasculitis,; necrotizing granulomas in the lung and upper airway and necrotizing GN
Q129. Wegener's sxs
A129. perforation of nasal septum,; chronic sinusitis,; otitis media,; mastoiditis,; cough,; dyspnea,; hemoptysis,; hematuria; looks like goodpastures but upper respiratory tract is also involved
Q130. findings in wegeners
A130. CANCA,; CXR- may reveal large nodular densities,; hematuria and red cell casts; tx: cyclophosphamide, corticosteroids
Q131. Churg Strauss
A131. granulamatous vasculitis with eosinophilia;; involves lung, heart, skin, kidneys, and nerves; often seen in atopic pts; tx: steroids
Q132. Kawasaki's disease
A132. acute, self limiting disease of infants and kids;; acute necrotizing vasculitis of small/medium sized vessels; fever, congested conjunctiva, changes in lips/oral mucosa,; LAD, may develop coronary aneurysms,; skin rash,; strawberry tongue; tx: high dose aspirin
Q133. HSP
A133. most common childhood vasculitis;; skin rash (palpable purpura) below legs,; arthralgia,; intestinal hemorrhage,; abdominal pain,; melena
Q134. telangiectasia
A134. AV malformation in small vessels;; looks like dilated capillary; hereditary hemorrhagic telangiectasia-AD inheritance; presents with nosebleeds and skin discolorations
Q135. What is arthrocentesis?
A135. Arthrocentesis is a needle aspirate of synovial fluid for microscopic analysis. The cell count is the most accurate way of telling immediately if there is an infection versus inflammation. Counts from 0 to 2,000 are normal; from 2,000 to 20,000 are from inflammatory disorders such as gout. Counts above 50,000 are from infections. Counts between 20,000 and 50,000 are indeterminate.
Q136. Anti-Scl-70
A136. Scleroderma
Q137. Anti- Microsomal; (2)
A137. 1. Hashimoto's; 2. Autoimmune Hepatitis
Q138. Anti-b islet cell
A138. IDDM; type I diabetes
Q139. Anti-Acetylcholine receptor
A139. Myasthenia gravis
Q140. Anti-Adrenal
A140. Addison's
Q141. Anti-Basement membrane
A141. Goodpasture's
Q142. Anti-Centromere
A142. CREST
Q143. Anti-ds DNA
A143. SLE [specific]
Q144. Anti-Epithelial
A144. Pemphigus vulgaris
Q145. Anti-Gliadin
A145. Celiac disease
Q146. Anti-Histone
A146. Drug induced lupus
Q147. Anti-IgM
A147. Rheumatoid arthritis
Q148. Anti-Intrinsic Factor
A148. Pernicious anemia
Q149. Anti-Mitochondrial
A149. Primary biliary cirrhosis
Q150. Anti-Neutrophil
A150. Vasculitis
Q151. c-ANCA
A151. Wegener's granulomatosis
Q152. p-ANCA
A152. Polyarteritis nodosa
Q153. Anti-Nuclear
A153. SLE
Q154. Anti-Thyroglobulin
A154. Hashimoto's
Q155. Anti-Thyroid peroxidase
A155. Hashimoto's
Q156. Anti-TSH receptor; (2)
A156. Graves' or Hashimoto's
Q157. Anti-Jo-1
A157. Polymyositis;; dermatomyositis
Q158. Anti-parietal cell
A158. Pernicious anemia
Q159. Anti-platelets
A159. ITP
Q160. Anti-smith
A160. SLE
Q161. B27
A161. PAIR; Psoriasis,; Ankylosing spondylitis,; Inflammatory bowel diseas,; Reiter's syndrome
Q162. B8
A162. Graves Disease, Celiac Sprue
Q163. DR2
A163. Mulitple sclerosis,; hay fever,; SLE,; Goodpastures
Q164. DR3
A164. DM Type 1
Q165. DR4
A165. Rheumatoid Arthritis, DM Type 1
Q166. DR5
A166. Pernicious anemia = B12 deficiency,; Hashimoto's thyroiditis

Q167. DR7

A167. Steroid-responsive nephrotic syndrome

Q168. Compartment Syndrome - What is it

A168. Increased pressure in a confined space; compromises nerve, muscle & soft tissue perfusion; MC - ant. compartment of lower leg & forearm; causes – fractures, crush injuries, burns, ischemic- reperfusion after an injury, casts

Q169. Compartment Syndrome - History/PE

A169. The 6 P's:; Paresthesias; Palpation - tense compartment; Pallor; Poikilothermia; Pulselessness; Paralysis; Pain - out of proportion with passive motion of fingers & toes; Volkmann's contracture

Q170. Compartment Syndrome - Dx
A170. Measure compartment pressure - > 30 mmHg not good; delta pressure - diastolic minus compartment; should be > 30 to be OK
Q171. Compartment Syndrome - Tx
A171. Surgical emergency; immediate fasciotomy of all compartments; do in < 6 hrs.
Q172. Low Back Pain - What is it
A172. Paraspinous; strains - muscle injury; sprain - ligament injury
Q173. Low Back Pain - History/PE
A173. If malignancy - pain worse at night; pain not relieved by rest; pain not relieved by changing positions; if point tenderness over vertebral body – osteomyelitis, fracture, malignancy; cauda equina syndrome - bladder or bowel dysfunction, saddle-area anesthesia, impotence, surgical emergency
Q174. Low Back Pain - L4 Associated Deficits:; Motor; Reflex; Sensory
A174. Motor - foot dorsiflexion, tibialis anterior; reflex - patellar; sensory - medial aspect of leg
Q175. Low Back Pain - L5 Associated Deficits:; Motor; Reflex; Sensory
A175. Motor - big toe dorsiflexion, extensor hallucis longus; reflex - none; sensory - medial forefoot & lateral aspect of leg
Q176. Low Back Pain - S1 Associated Deficits:; Motor; Reflex; Sensory
A176. Motor - foot eversion; peroneus longus/brevis; reflex - achilles; sensory - lateral foot
Q177. Low Back Pain - Dx
A177. Mainly clinical; XR; MRI; electrodiagnostic studies - nerve conduction velocity test
Q178. Low Back Pain - Tx
A178. Sprains & strains - NSAIDs; physical therapy; continue activities as tolerated; rest > 1-3 days unnecessary. 90% recover spontaneously in 6 weeks; surgery - if correctable spinal disease, cauda equina syndrome - surgical emergency: immediate decompression, laminectomy
Q179. Herniated Disk - What is it
A179. Nucleus pulposus herniates posteriorly => nerve root or cord compression; neck/back pain; sensory & motor deficits; causes - degenerative changes, trauma, neck/back strain, neck/back sprain; middle-aged & older men after strenuous activity; L4-L5 & L5-S1
Q180. Herniated Disk - History/PE
A180. Several months of aching pain => sudden onset of severe, electricity-like LBP; pain exacerbated by straining; sciatica: tingling - lower extremities, numbness, muscle weakness, atrophy, contractions, spasms, pain increased by - passive straight leg, crossed straight leg raises, large midline herniations => cauda equina syndrome
Q181. Herniated Disk - Dx
A181. MRI
Q182. Herniated Disk - Tx
A182. Most cases - bed rest; NSAIDs; physical therapy; localized heat; resolved in 2-3 weeks; if no neuro deficit - bed rest not advised, early mobilization; muscle relaxant, NSAIDs; diskectomy - if persistent or disabling Sxs
Q183. Spinal Stenosis - What is it
A183. Stenosis of cervical or lumbar spinal canal => compression of nerve roots; usually from degenerative joint disease; middle-aged or elderly
Q184. Spinal Stenosis - History/PE
A184. Neck pain; back pain - radiates to butt & legs, leg numbness, leg weakness, "spaghetti legs", "walks like a drunken sailor"; leg cramping - at rest, standing, walking; sitting gives relief; leaning forward gives relief (flexing at hips decreased pain)
Q185. Spinal Stenosis - Dx
A185. XR; MRI or CT
Q186. Spinal Stenosis - Tx
A186. Mild to moderate - NSAIDs; abdominal muscle strengthening; advanced - epidural steroid injection; surgical laminectomy - short-term, will recur
Q187. Developmental Dysplasia of Hip; What is it
A187. Congenital hip dislocation => dislocated femoral heads due to - lax musculature; excessive uterine packing (breech) => poor development of acetabulum, hip; will progress if not corrected; MC - 1st born breech females
Q188. Developmental Dysplasia of Hip; History/PE
A188. Barlow's - hip adducted; Ortolani's - thighs abducted; Allis' (Galeazzi's) sign - knees unequal when hip & knees flexed, dislocated side is lower; asymmetrical skin folds; limited abduction of affected hip
Q189. Developmental Dysplasia of Hip; Dx
A189. Early detection; evaluate clinical; US - if after 10 weeks old; XR - unreliable until 4 mos. old, neonatal femoral head radiolucent
Q190. Developmental Dysplasia of Hip; Tx
A190. Start Tx early; < 6 mos. - Pavlik harness; 6-15 mos. - spica cast; 15-24 mos. - open reduction; if no Tx started by 24 mos. - significant defect
Q191. Developmental Dysplasia of Hip; Complications
A191. Complications - joint contractures; AVN of femoral head
Q192. Limp - What is it
A192. 1 of the MC musculoskeletal disorder of kids; MC cause - trauma
Q193. Limp - History/PE
A193. May be associated with pain or fever; ask about - history of trauma, recent infections, contact with TB- positive patients; young kids & toddlers - infected joint; adolescent & teens – JRA, slipped capital femoral epiphyses (SCFE), Legg-Calve-Perthes (LCP); disruption in normal gait – Trendelenburg, antalgic gait; infection – erythema, edema, limited ROM; trauma or tumor - point tenderness; always evaluate for – fever, signs of systemic infection, neuro involvement – reflexes, muscle atrophy, changes in sensation, bowel & bladder function
Q194. Limp - Differential Dx
A194. STARTSS HOTT; Septic joint; Tumor; Avascular necrosis (LCP); RA/JRA; TB; Sickle cell disease; SCFE; HSP; Osteomyelitis; Trauma; Toxic synovitis
Q195. Limp - Dx
A195. Thorough H&P; XR; CBC; ESR; CRP; bone scan; nerve conduction studies; joint aspirate & culture - if suspect septic joint
Q196. Limp - Tx
A196. Depends on cause
Q197. Legg-Calve-Perthes - What is it
A197. AVN of femoral head; UNK etiology; boys 4-10; can be bilateral
Q198. Legg-Calve-Perthes - History/PE
A198. Usually asymptomatic at first => painless limp or => pain, referred to knee; limited abduction; limited internal rotation; atrophy
Q199. Legg-Calve-Perthes - Tx
A199. Self-limited; observation; if disease extensive or ROM impaired – brace, hip abduction with Petrie cast, osteotomy; prognosis dependent on – age, ROM, extent of involvement, joint stability
Q200. Slipped Capital; Femoral Epiphysis - What is it
A200. Separation of proximal femoral epiphysis through growth plate => fem head displaced; medial & posterior to fem neck; can be bilateral; obese Black 11-13 y/o boys; if < 11 y/o, may be associated with endocrinopathies; may be due to imbalance between GH & sex hormones
Q201. Slipped Capital; Femoral Epiphysis - History/PE
A201. Thigh or knee pain; painful limp; acute or insidious; acute - restricted ROM, inability to bear weight. limited internal rotation; limited abduction; hip tenderness; flexion => obligatory external rotation
Q202. Slipped Capital; Femoral Epiphysis - Dx
A202. TSH; XR both hips – AP, frog-leg lat
Q203. Slipped Capital; Femoral Epiphysis - Tx
A203. Start promptly; no weight on limb until; surgical stabilized with screws; acute slip - gentle closed reduction
Q204. Slipped Capital; Femoral Epiphysis - Complications
A204. Chondrolysis; AVN of fem head; premature hip OA => hip arthroplasty
Q205. Shoulder Dislocation - Mechanics
A205. MC - anterior dislocation, axillary artery & nerve, hold arm in external. rotation; posterior dislocations, radial artery, seizures & electrocutions, hold arm in int. rotation
Q206. Shoulder Dislocation - Tx
A206. Closed reduction; followed by sling & swath; recurrent - surgery
Q207. Hip Dislocation - Mechanics
A207. MC - posterior dislocation, compress sciatic nerve., can cause AVN, posterior directed force on, internal rotated, flexed, adducted hip, "dashboard injury"; anterior dislocation - obturator nerve compromises.
Q208. Hip Dislocation - Tx
A208. Closed reduction followed by abduction; pillow/bracing; CT after reduction
Q209. Colles' Fracture - Mechanics
A209. MC wrist fracture; distal radius; fall onto outstretched hand => dorsally displaced/angle Fracture; common in elderly (osteoporosis), kids
Q210. Colles' Fracture - Tx
A210. Closed reduction; then long arm cast; intra-articular - open reduction
Q211. Scaphoid (Carpal Navicular) Fracture; Mechanics
A211. MC fractured carpal bone; can be 1-2 weeks for XR to show; assume if tenderness in anatomical snuff box; proximal 3rd scaphoid fractures can => AVN
Q212. Scaphoid (Carpal Navicular) Fracture; Tx
A212. Thumb spica cast; open reduction - displacement; nonunion common
Q213. Boxer's Fracture - Mechanics
A213. Fracture of 5th metacarpal neck; forward trauma of closed fist
Q214. Boxer's Fracture - Tx
A214. Closed reduction & ulnar gutter splint; excessive angulation - percutan pinning; skin broken - assume infection by human oral pathogens; "fight bite"; surgical irrigation; debridement; IV Antibiotics to cover Eikenella
Q215. Humerus Fracture - Mechanics
A215. Direct trauma; radial nerve. wrist drop; loss of thumb abduction
Q216. Humerus Fracture - Tx
A216. Hanging arm cast or coaptation splint & sling; functional bracing
Q217. Nightstick Fracture - Mechanics
A217. Ulna shaft fracture; from self-defense - arm against blunt object
Q218. Nightstick Fracture - Tx
A218. ORIF; open reduction & int. fixation
Q219. Monteggia's Fracture - Mechanics
A219. Diaphyseal Fracture; proximal ulnar; subluxation of radial head
Q220. Monteggia's Fracture - Tx
A220. ORIF - shaft fracture; closed reduction - radial head
Q221. Galeazzi's Fracture - Mechanics
A221. Diaphyseal Fracture; radius; dislocation of distal radioulnar joint; from direct blow to radius
Q222. Galeazzi's Fracture - Tx
A222. ORIF - radius; cast forearm in supination
Q223. Hip Fracture - Mechanics
A223. MC in osteoporotic women who fall; shortened, ext rotated leg; at risk for DVTs; displaced fem neck fractures - high risk of AVN, fracture nonunion
Q224. Hip Fracture - Tx
A224. ORIF; parallel pinning of femoral neck; anticoagulant; > 80 y/o - may need hip hemiarthroplasty
Q225. Femur Fracture - Mechanics
A225. Direct trauma (MVA); fat emboli; fever; scleral & axillary petechiae; confusion; dyspnea; hypoxia
Q226. Femur Fracture - Tx
A226. Intramedullary nailing; open fractures - thorough irrigation; debridement
Q227. Tibial Fracture - Mechanics
A227. Direct trauma; car bumper & pedestrian injury; compartment syndrome
Q228. Tibial Fracture - Tx
A228. Casting vs. intramedullary nailing
Q229. Open Fracture - Mechanics
A229. Orthopedic emergency; must go to OR in < 6 hrs. (risk of infection)
Q230. Open Fracture - Tx
A230. OR emergently to repair; Antibiotics
Q231. Achilles Tendon Rupture - Mechanics
A231. MC in unfit men in sports; hear sudden "pop"; sounds like rifle shot; limited plantar flexion; pos Thompson test - pressure on gastrocnemius; doesn't => ft plantar flexion
Q232. Achilles Tendon Rupture - Tx
A232. Long-leg cast for 6 wks
Q233. ACL Injury - Mechanics
A233. From forced hyperflexion; positive anterior drawer sign; Lachman's test; rule out meniscal or MCL injury
Q234. ACL Injury - Tx
A234. Surgery; graft from patellar or hamstring tendons
Q235. PCL Injury - Mechanics
A235. From forced hyperextension; positive posterior drawer test
Q236. PCL Injury - Tx
A236. Operative PCL repair - for highly competitive athlete
Q237. Meniscal Tears - Mechanics
A237. Clicking or locking; joint line tenderness; positive McMurray's test
Q238. Meniscal Tears,; MCL/LCL Injuries - Tx
A238. Conservative; unless associated with Sxs or ligament injuries
Q239. Clavicular Fracture - What is it
A239. MC fractured long bone in kids; birth-related (lg infants); brachial n. palsies; usually middle 3rd of clavicle; proximal end displaced superiorly; from pull of sternocleidomast
Q240. Clavicular Fracture - Tx
A240. Figure-of-8 sling vs. arm sling
Q241. Greenstick Fracture - What is it
A241. Incomplete fracture; cortex of one side of bone
Q242. Greenstick Fracture - Tx
A242. Reduction with casting; order films at 7-10 days
Q243. Nursemaid's Elbow - What is it
A243. Radial head subluxation; from being pulled or lifted by hand; kid will not bend elbow
Q244. Nursemaid's Elbow - Tx
A244. Manual reduction - gentle supination of elbow; at 90 degrees of flexion; no immobilization necessary.
Q245. Torus Fracture - What is it
A245. Buckling of cortex of long bone; secondary to trauma; usually distal radius or ulna
Q246. Torus Fracture - Tx
A246. Cast immobilization; 3-5 wks - dep. on age
Q247. Supracondylar Humerus Fracture - What is it
A247. 5-8 y/o; proximal to brachial a. risk of Volkmann's contracture
Q248. Supracondylar Humerus Fracture - Tx
A248. Cast immobilization; closed reduction; percutan pinning - if significant displaced
Q249. Osgood-Schlatter Disease - What is it
A249. Overuse apophysitis of tibial tubercle; localized pain; especially with quadriceps Ctx; active young boys
Q250. Osgood-Schlatter Disease - Tx
A250. Decreased activity 1-2 yrs; neoprene brace
Q251. Salter-Harris Fractures - What are they
A251. Fractures of growth plate of kids; classified by fracture location; I - physis; II - metaphysis & physis; III - epiphysis & physis; IV - epi-, meta- & physis; V - crush injury of physis
Q252. Salter-Harris Fractures - Tx
A252. I & II - nonoperatively; others & unstable fractures-operatively; prevents leg-length inequality
Q253. Osteosarcoma - What is it
A253. 2nd MC primary malignant; bone tumor; metaphyses - distal femur; proximal tibia; proximal humerus; can metas to lungs; men; 20s-30s; Paget's can precede development of secondary osteosarcoma
Q254. Osteosarcoma - History/PE
A254. Progressive pain => intractable pain; worse at night; constitutional Sxs; at site of tumor - erythema; enlargement
Q255. Osteosarcoma - Dx
A255. MRI; CT; XR - Codman's triangle, sunburst pattern
Q256. Osteosarcoma - Tx
A256. Limb-sparing surgical proc; pre- and postop chemo – methotrexate, doxorubicin, cisplatin, ifosfamide; amputation - may be necessary if big
Q257. Paget's (Osteitis Deformans) - What is it
A257. Osteoclasts accelerate bone turnover in local areas => hyper osteoblastic repair => abnorm structure that weakens bone; may be associated with paramyxovirus infection; mainly disease of elderly
Q258. Paget's (Osteitis Deformans) - History/PE
A258. Often asymptomatic; if Sx occur, develop insidiously; deep bone pain; bone softening => tibial bowing, kyphosis, freq fractures; increased in cranial diameter - (frontal bossing); deafness - CN8 compressed
Q259. Paget's (Osteitis Deformans) - Dx
A259. Alkaline phosphatase; increased urinary hydroxyproline; serum Ca2+ & phosphate- normal; XR - bony cortex very expanded, jigsaw/mosaic bone pattern, thick trabeculae
Q260. Paget's (Osteitis Deformans) - Tx
A260. NSAIDs; calcitonin; alendronate
Q261. Paget's (Osteitis Deformans) - Complications
A261. Fracture; hi-output cardiac failure; arthritis; deafness; secondary osteosarcoma; vertebral collapse => spinal cord compression
Q262. Gout - What is it
A262. Recurrent attacks - acute monoarticular arthritis; monosodium urate crystals; middle-aged, obese men, Pacific Islanders; hyperuricemia - secondary to uric acid underexcretion; other causes - Lesch-Nyhan, diuretics (furosemide, HCTZ), trauma, surgery, infections, steroid withdrawal, cyclosporine, malignancy, excessive red meat or red wine, hemoglobinopathies
Q263. Pseudogout - What is it; Dx; Tx
A263. MC - elderly or preexisting joint damage; if < 50 y/o - metabolic abnorm, hyperparathyroidism, hypophosphatasia, hypomagnesemia, hemochromatosis; knee - #1, also ankle, wrist, shoulder; Dx - fluid aspiration, Positive birefringent rhomboid crystals; XR - chondrocalcinosis; Tx - same as gout; low dose of colchicine - prevents recurrence
Q264. Gout - History/PE
A264. 1st episode - awakened from sleep; sudden onset of joint pain; podagra; usually 1st MTP joint, knee, ankle, DIP & PIP; joint – erythematous, swollen, tender; as becomes chronic - multiple joints involved; urate crystals deposited in connective tissue (tophi), kidneys
Q265. Gout - Dx
A265. Joint-fluid aspirate - needle-shaped, negative birefringent crystals; yeLLow when paraLLel to condenser; increased WBC; advanced - "rat bite" = punched-out erosions - of long- standing tophus, "overhanging margin"
Q266. Gout - Tx
A266. Acute - decrease inflammation; NSAIDs (indomethacin); IV colchicine or steroids - if elderly maintenance - decrease uric acid level:; probenecid if underexcrete, inhibits reabsorb of uric acid; allopurinol if overproduce or have RF or have kidney stones, can precipitate acute attack
Q267. Osteoarthritis - What is it; Risk Factors
A267. Degen joint disease; deterioration of articular cartilage of moveable, weight- bearing joints; MCC- idiopathic; secondary - any diseases that causes stress or trauma to joint; knee OA - MCC of chronic disability in elderly in West; risk factors – obesity, family History, history of joint trauma; especially intra-articular fractures, repetitive stress
Q268. Osteoarthritis - History/PE
A268. History - joint stiffness - insidious onset; pain - insidious onset; worse by activity & weight-bearing; relieved by rest; crepitus; decreased ROM; PE - weight-bearing joint involved; DIP - heberden nodes; PIP - bouchard nodes; MTP joint of 1st toe; cervical spine
Q269. Osteoarthritis - Dx
A269. Based on clinical & XR; XR - irregular joint space narrowing, osteophytes, subchondral sclerosis, subchondral bone cysts; ESR normal; synovial fluid aspiration - straw-colored fluid, normal viscosity, WBC < 3000
Q270. Osteoarthritis - Tx
A270. Weight reduction; physical therapy; NSAIDs; intra-articular corticosteroid injections; elective joint replacement - total hip/knee arthroplasty
Q271. Duchenne Muscular Dystrophy - What is it; What is Becker's
A271. XLR; defect of dystrophin - cytoskeletal protein; MC muscular dystrophy; most lethal; ages 2-6; Becker – milder, XLR, abnormal-sized dystrophin
Q272. Duchenne Muscular Dystrophy - History/PE
A272. History - axial and proximal before distal muscles; progressive clumsiness; fatigability; hard to stand or walk; hard to walk on toes; waddling gait; Gower's maneuver; PE - pseudohypertrophy of gastrocnemius; possible MR
Q273. Duchenne Muscular Dystrophy - Dx
A273. CK - always high; EMG; muscle Biopsy; DNA; diagnostic - immunostain for dystrophin
Q274. Duchenne Muscular Dystrophy - Tx
A274. No cure; Tx supportive; physical therapy; achilles tendon release; wheelchair by 13 y/o; death in 20s
Q275. what is the defect in Bruton's agammaglobulinemia?
A275. X-linked recessive defect in a tyrosine kinase gene associated with low levels of all classes of Igs
Q276. this disorder occurs in boys and is associated with recurrent bacterial infections after 6 months of age, when levels of maternal IgG antibody decline
A276. Brutons agammaglobulinemia (B cells)
Q277. this immune deficiency presents with tetany owing to hypocalcemia and recurrent viral and fungal infections
A277. DiGeorge syndrome/thymic aplasia (T cells)
Q278. this immune deficiency is associated with congenital defects of heart and great vessels
A278. DiGeorge syndrome
Q279. what ist eh chromosomal abnormality associated with DiGeorge syndrome?
A279. 22q11 deletion
Q280. this is a defect in early stem cell differentiation and presents with recurrent viral, bacterial, fungal, and protozoal infections
A280. SCID - B and T cell deficiency
Q281. failure to synthesize MHC II antigens, defective IL-2 receptors, and adenosine deaminase deficiency can all lead to what immune deficiency?
A281. SCID
Q282. what does IL-12 receptor deficiency (decreased activation of T cells) present with?
A282. disseminated mycobacterial infections
Q283. defect in CD40 ligand on CD4 T helper cells leads to inability to class switch; presents early in life with severe pyogenic infections
A283. hyper-IgM syndrome (decreased activation of B cells)
Q284. this disorder is characterized by high levels of IgM and very low levels of IgG, IgA, and IgE
A284. hyper-IgM syndrome
Q285. this syndrome is characterized by an X-linked defect in the ability to mount an IgM response to capsular polysaccharides of bacteria
A285. Wiskott-Aldrich syndrome (decreased activation of B cells)
Q286. what is the triad of symptoms associated with Wiskott- Aldrich syndrome?
A286. infections, thrombocytopenic purpura, eczema (WIPE)
Q287. this syndrome is associated with elevated IgA levels, normal IgE levels, and low IgM levels
A287. Wiskott-Aldrich syndrome
Q288. this syndrome presents with recurrent 'cold' (noninflamed) staphylococcal abscesses, eczema, coarse facies, retained primary teeth, and high IgE levels
A288. Job's syndrome (decreased activation of macrophages)
Q289. this syndrome is characterized by failure of gamma- interferon production by helper T cells; neutrophils fail to respond to chemotactic stimuli
A289. JOb's syndrome
Q290. what is the defect in leukocyte adhesion deficiency syndrome?
A290. defect in LFA-1 adhesion proteins on phagocytes
Q291. this syndrome presents early with severe pyogenic and fungal infections and delayed separation of umbilicus
A291. leukocyte adhesion deficiency syndrome
Q292. how is Chediak-Higashi inherited?
A292. autosomal recessive
Q293. this disease is marked by a defect in microtubular function and lysosomal emptying of phagocytic cells
A293. Chediak-Higashi disease
Q294. this disease presents with recurrent pyogenic infections by staph and strep, partial albinism, and peripheral neuropathy
A294. Chediak-Higashi disease
Q295. defect in phagocytosis of neutrophils owing to lack of NADPH oxidase activity or similar enzymes
A295. chronic granulomatous disease
Q296. how is the diagnosis of chronic granulomatous disease confirmed?
A296. negative nitroblue tetrazolium dye reduction test
Q297. this disease presents with marked susceptibility to opportunistic infections with bacteria, especially S. aureus, E. coli, and Aspergillus
A297. chronic granulomatous disease
Q298. what is the defect in chronic mucocutaneous candidiasis present?
A298. idiopathic dysfunction of T cells specifically against candida albicans
Q299. what is the most comon selective immunoglobulin deficiency? how does it present?
A299. selective IgA deficiency - presents with sinus and lung infections;; milk allergies and diarrhea are common
Q300. ataxia-telangiectasia is an idiopathic dysfunction of what type of cells?
A300. B cells
Q301. defect in DNA repair enzymes with associated IgA deficiency; presents with cerebellar problems and spider angiomas
A301. ataxia-telangiectasia
Q302. deficiency of what leads to hereditary angioedema?
A302. C1 esterase inhibitor
Q303. deficiency of which complement protein leads to severe, recurrent, pyogenic sinus and RT infections?
A303. C3
Q304. deficiency of what complement proteins leads to Neisseria bacteremia?
A304. C6-C8
Q305. deficiency of what leads to paroxysmal nocturnal hemoglobinuria?
A305. decay-accelerating factor
Q306. patients with what deficiency have an increased susceptibility to recurrent bacterial infections, especially with encapsulated bacteria
A306. C3 deficiency;; not detected until later in life
Q307. what is the most important immunological protective mechanism against blood-borne encapsulated organisms?
A307. IgG-mediated opsonization in the spleen
Q308. Warthin-Finkeldy giant cell is pathognomonic for what?
A308. measles or the live attenuated measles vaccine
Q309. Lyme arthritis is associated with what HLA?
A309. HLA-DR4
Q310. patients with Wiskott-Aldrich syndrome have a 12% chance of developing what?
A310. non-Hodgkin's lymphoma
Q311. test of choice to determine presence of circulating anti-Rh antibody?
A311. indirect Coombs test to measure IgG anti-Rh antibody
Q312. low levels of all antibody classes
A312. common variable immunodeficiency
Q313. spleen is important for removing what type of organisms? list 3
A313. strep pneumo,; H. flu,; Neisseria
Q314. what is defective in leukocyte adhesion deficiency?
A314. integrins - function both in adhesion of leukocytes to other cells and in the phagocytosis of complement-coated material
Q315. HLA types associated with SLE?
A315. HLA-DR2 and HLA-DR3
Q316. most likely sequelae of rheumatic fever?
A316. mitral valve disease
Q317. antitopoisomerase antibodies?
A317. scleroderma/systemic fibrosis - likely to develop diffuse systemic fibrosis & death from consequences of systemic disease such as pulmonary fibrosis or malignant hypertension
Q318. what is responsible for strong binding between monocytes, T lymphocytes, macrophages, neutrophils, and dendritic cells, and injured epithelium?
A318. LFA-1; interacts with ICAM-1
Q319. an increased level of what cytokine would decrease the likelihood of a delayed-type hypersensitivity reaction?
A319. IL-10
Q320. what 2 molecules exert the most powerful chemotactic effect on neutrophils?
A320. C5a and C8
Q321. what are the best markers for identification of B cells?
A321. CD19, CD20, CD21
Q322. IgG subclass deficiency is associated with a deficiency with what other substrate?
A322. IgA
Q323. what is C-reactive protein a marker of?
A323. non-specific inflammation - one of the most commonly measured acute-phase reactants
"stuck-on" appearance
seborrheic keratosis
red plaques with silvery-white scales and sharp margins
psoriasis
the most common type of skin cancer; the lesion is a pearly-coated papule with a translucent surface and teleangiectasias
basal cell carcinoma
honey-crusted lesions
impetigo
febrile patient with a history of diabetes presents with a red, swollen, painful lower extremity
cellulitis
positive Nikolskys sign
pemphigus vulgaris
negative Nikolskys sign
bullous pephigoid
a 55 year old obese patient presents with dirty, velvety patches on the back of the neck
acanthosis nigricans --> check fasting blood sugar to rule out diabetes
dermatomal distribution
varicella zoster
flat-topped papules
lichen planus
iris-like target lesions
erythema multiforme
a lesion characteristically occurring in a linear pattern in areas where skin comes into contact with clothing or jewelry
contact dermatitis
presents with a herald patch, Christmas-tree like pattern
pityriasis rosea
a 16 year old presents with an annular patch of alopecia with broken-off, stubby hairs
alopecia areata (autoimmune process)
pinkish, scaling, flat lesions on the chest and back; KOH prep has a "spaghetti-and-meatballs" appearance
pityriasis versicolor
four characteristics of a nevus suggestive of melanoma
asymmetry, border irregularity, color variation, large diameter
premalignant lesion fro sun exposure that can lead to squamous cell carcinoma
actinic keratosis
"dew-drop on a rose petal"
lesions of 1st degree varicella
"cradle cap"
seborrheic dermatitis; treat with antifungals
associated with propionbacterium acnes and changes in androgen levels
acne vulgaris
a painful, recurrent, vesicular eruption of mucocutaneous surfaces
herpes simplex
inflammatoin and epithelial thinning of anogenital area, predominantly in postmenopausal women
lichen sclerosis
exophytic nodules on the skin with varying degrees of scaling ulceration; the second most common type of skin cancer
squamous cell carcinoma
what vitamin do you supplement for a measles infection?
vitamin A
normal skin at birth that gradually progresses to dry, scaley skin = ??
ichthyosis vulgaris, aka lizard skin
dry, rough skin over extensor surfaces + horny plates = ??
ichthyosis
what vitamin supplement should be give for measles?
vitamin A
normal birth at skin that gradually progresses to dry, scaley skin = ??
ichythyosis vulgaris, aka lizard skin
dry, rough skin over extensor surfaces + horny plates = ??
ichthyosis
virus that causes measles
paramyxovirus
name of red spots with bluish specks over buccal mucosa and what disease it is associated with?
Koblik spots, measles
cough + coryza + conjunctivitis = ??
measles
well-circumscribed areas of depigmentation over arms/legs
vitiligo
autoimmune disease that attacks melanocytes and is associated with other AI diseases?
vitiligo
most common metal causing contact dermatitis
nickel
how do you rule out melanoma?
excisional biopsy
if a melanoma is >1mm deep what else must you do besides excise it?
sentinal lymph node study
poison ivy is what type of hypersensitivity exposure and what causes it? does it require prior exposure?
type IV hypersensitivity, cell-mediated which means you need prior exposure
what causes molluscum contagiosum?
pox virus
best method for photo-protection (avoiding sun burn)
sun avoidance
numerous umbilicated vesicles over healing atopic dermatitis = ??
eczema herpeticm
name the SIRS criteria
1. fever/hypothermia2. tachypnea3. tachycardia4. leukocytosis, leukopenia or bandemia
what is the normal course for impetigo?
erythmatous macule --> vesicle --> pustule --> honey-colored, crusted exudates
what causes hereditary angioedema?
C-1 inhibitor deficiency
what virus causes rubella?
RNA togovirus
what is the chronology for rubella?
1. exposure2. fever, malaise3. suboccipital adenitis4. maculopapular rash on face then trunk and extremities
treatment for tinea corporis
terbinafine
most common viral infection of hand
herpetic whitlow; common in healthcare workers
most common cause of acquired angioedema
ACEI use
what dermatological disorder is commonly seen with Parkinsons?
seborrheic dermatitis
which types of hypersensitivity are anti-body mediated?
types I, II, III
name the different types of hypersensitivity?
type I - anaphylactic, atopictype II - cytotoxictype III - immune complex, serum sickness, arthus reactiontype IV - delayed, cell-mediated
polygonal + purples + pruritic + papules = ??
lichen planus
what type of hypersensitivity is psoraisis?
T-cell mediated
yellow, greasy, erythematous scaling patches/plaques = ??
seborrheic dermatitis
young person with severe seborrheic dermatitis --> what must you rule out?
HIV
what BSA defines Stevens-Johnsons and what is the treatment?
<10% BSA, treat with analgesia and IVIG
what skin disorder is commonly associated with other autoimmune disorders?
vitiligo
what is the most common cause of cellulitis and what is the treatment of choice?
staph, treat with keflex
what causes hot tub folliculitis?
pseudomonas aeruginosa
what is a kerion?
inflammatory granulomatous reaction in children to tinea capitus
bullseye rash
Lyme disease
treatment for lice
permethrin shampoo
dome-shaped with central umbilication
molluscum contagiosum
christmas-tree pattern with herald patch
pityriasis rosea (HHV-6)
what causes cervical CA?
usually HPV 16, 18, 31, 33
Shagreen patches with ashleaf spots
tuberous sclerosis
cafe-au-lait spots
neurofibromatosis
hemangioma/port-wine stain on face
Sturge-Weber syndrome
what are hemangiomas often indicative of?
von Hippel-Lindau disease
what is the sign of Leser-Trelat?
multiple seborrheic keratoses erupting at once associated with underlying malignancy, often gastric cancer
most common skin CA associated with sun exposure
basal cell CA
ABCD of melanoma
Asymmetric shapeBorders irregularColor variationDiameter >6mm
what are strawberry hemangiomas and what do they indicate?
they are benign vascular tumors of children that usually regress on their own at 5-8 years old
what rash on the body does not appear scaly but will scale with scraping?
tinea versicolor
rosey-hue with teleangiectasias over cheeks, nose, chin
rosacea
treatment for moderate to severe acne, predominantly nodulocystic and firm
oral isotretinoin
what nail problems is psoriasis associated with?
onycholysis and nail pitting
what is erysipelis? what bacteria commonly causes it?
commonly seen in patients with impaired lymph drainage who develop a rash that looks like "orange peels"; caused by strep pyogenes
what are strong risks for a mole that is maligant?
changes in size/shape/color/borders
what anesthestic is used for suturing vessel-rich areas?
1% lido with 1:100,000-1:400:000 epi
what rash do you need to look for with warfarin?
look for warfarin-induced necrosis that can occur within 1 week of beginning warfarin therapy; well-demarcated erythematous lesion that progresses to necrosis
what is bullous pemphigoid? what do you see on immunoflorescence?
it is an autoimmune bullous disorder in patients over 60 that present with wide-spread blistering over flexor and perianal surfaces; immunoflorescence will show epidermal basement membrane antibodies
what is the most important factor in determining the resectable margins with a melanoma?
depth of the tumor
what is the most effective means to prevent death from melanoma?
early clinical detection
what is the most preventable risk factor for developing melanoma?
chronic sun exposure
what condition presents as a macular scaling behind the ears, on the scalp, eyebrow, nasal-labial folds? who commonly gets it?
serborrheic dermatitis; common with patients that have neurological disorders or HIV
what presents with erythematous plaques with silvery-white scales on the extensor surfaces?
psoriasis
what solution should be given during the first 24 hours following a burn injury?
lactated ringers
what is pemphis vulgaris? what do you see on immunoflorescence?
it is an autoimmune disease of the skin that presents with painful, fragile blisters of the oropharynx, chest, face and perianal regions; look for antibodies to adhesion desmoglein molecules
this disease results from a deficiency of hepatic uroporphyinogen decarboxylase and presents with chronic blistering of sun exposed regions and skin hyperpigmentation? who is it associated with?
porphyria cutanea tarda; seen with alcoholics and hepatitis
this disease presents with vesicular lesions and crusting erythematous plaques over the genital region, chest, neck and axilla with an malodorous discharge
familial benign pemphigus
what is Groves disease?
it is a transient acantholytic dermatosis in men >50; appears as small red papules on back/chest
Where does atopic dermatitis present in infants?
Face, scalp, extensor surfaces. Diaper area is spared
What is the treatment for atopic dermatitis?
Topical steroids- but not longer than 2-3 weeks
How does seborrheic dermatitis present in an infant?
Red diaper rash with yellow scale, erosions, and blisters. A thick crust may be seen on the scalp.
What kind of people can develop severe seborrheic dermatitis?
HIV and Parkinson's patients
How do you treat seborrheic dermatitis?
Selenium sulfide or zinc pyrithione shampoos for the scalp; Topical antifungals or steroids for other areas in adults
When does a drug eruption occur?
7-14 days after exposure
What is erythema multiforme?
Targetoid lesions that can be on the palms and soles and associated with systemic symptoms. Can lead to TEN or SJS
What is erythema nodosum?
Panniculitis that can be triggered by infection (STREP, histo, cocci, yersinia, TB), drug reactions (sulfonamides, OCPs, abx), and chronic inflammatory disease (IBD, sarcoidosis, Behcet's)
How does erythema nodosum present?
Painful, erythematous nodules on the lower legs. Patients may have a false positive VDRL
What is bullous pemphigoid?
Antibodies to the BMZ that presents as firm, tense, stable blisters with NO Nikolsky sign or mucosal involvement. Linear immunofluorescence pattern. Treated by steroids
What is pemphigus vulgaris?
Antibodies to desmoglein (keratinocyte adhesion), lace-like/fishnet immunofluorescence, flaccid bullae, POSITIVE Nikolsky sign, common mucosal involvement (starts in mouth), treated by high-dose steroids + IVIG
What are triggers for pemphigus vulgaris?
ACEIs, penacillamine, phenobarbital, penicillin
What is erysipelas?
Starts out as a small red patch on the cheek or extremities that turns into a painful shiny red plaque. patients often have a history of cutaneous ulcers, pharyngitis, or lymphedema
What does scarlet fever look like?
Sunburn with goosebumps
What does the rash of Salmonella typhi look like?
Small pink papules on the trunk (rose spots) in groups of 10-20 plus fever and GI involvement. Treat with Rocephin and possible cholecystectomy for chronic carrier state
What is Ludwig's angina?
Bilateral cellulitis of the submental, submaxillary, and sublingual spaces from an infected tooth
How does necrotizing fasciitis present?
Sudden onset of pain and swelling at the site of trauma or recent surgery. Erythema spreads quickly over the course of hours to days and the skin becomes dusky and purplish. There is undermining of the skin and subcutaneous layer, bullae, gas production
How is necrotizing fasciitis treated?
Early and aggressive surgical debridement followed by Pen G + Flagyl or Rocephin
What monthly blood tests do patients on isotretinoin require?
LFTs, TGs, cholesterol, and B-hCGs
What is tinea versicolor?
Small, scaly patches of varying color on the chest or back that are hypopigmented. Treat with ketoconazole or selenium sulfide
How does gas gangrene present?
Around a site of recent injury or surgery. Swelling around the injury with skin that turns pale and then dark red
How can gas gangrene be treated?
Hyperbaric oxygen, surgical debridement, abx
What does lichen planus look like?
Violaceous, flat-topped, polygonal papules with prominent Koebner's phenomena (lesions at the site of trauma) with a shiny surface with fine white lines (Wickham's striae). Tx with steroids
How do you treat rosacea?
Flagyl
What needs to be ruled out when pityriasis rosea is suspected?
Fungal infection (KOH stain)Syphilis (RPR)
How is melanoma treated?
Lesions confined to the skin are treated by excision with margins
What is tinea capitis?
Infection of the scalp; mainly affects children with scaly patches of hair loss and possible inflamed, boggy granuloma of the scalp. REQURES SYSTEMIC Antifungals
What infection can cause erythema multiforme?
Herpes
What is heratoacanthoma?
Rapidly growing (grows to full size in 1-2 months) flesh-colored lesion with a central crater that contains keratinous material, usually on the face. Spontaneously involutes but observe in those with a history of it
What's the derm term for:Flat spot <1cm (non-palpable, just visible)
Maculeexamples: Freckles, tattoos
What are some of the distinguishing characteristics of necrotizing fasciitis?
Unexplained, excruciating pain in the absence of or beyond areas of cellulitisErythema with blister and bullae formation & possible crepitusDM patient with foot cellulitis and signs of systemic toxicityPerineal cellulitis with abrupt onset & rapid spread (Fournier’s gangrene)
What is the treatment for a limb with dry gangrene?
Autoamputation over time Angiography to evaluate the extent & location of peripheral artery disease → distal bypass of stenotic areas → if circulation improves & healing is adequate, then amputation of the affected region
What is the treatment for wet gangrene infection?

Emergency debridement or guillotine amputation of the infected portion of the foot then revision to a below or above the knee amputation 72 hours later (antibiotics are indicated if cellulitis or gas gangrene is present)