Challenge Bowl Derm

Front 1

What is the most common cause of contact dermatitis in the USA?

Back 1

Universal irritants - soaps, detergents, organic solvents

Front 2

What is the most common dermatologic manifestation of Chediak-Higashi syndrome?

Back 2

Partial albinism

Front 3

Skin atrophy, Dawson's palms, yellow coloration of the skin, subcutaneous nodules, episcleritis, and nail ridging are indicative of what condition?

Back 3

Rheumatoid arthritis (Dawson's palms are erythematous palms)

Front 4

Discoid lupus primarily affects what system?

Back 4

Skin

Front 5

A 50 year old male presents with a well demarcated erythematous plaque with silvery-white scales on his elbow. He also has arthritis and onycholysis with pitting of the nail plate. What is the most likely diagnosis?

Back 5

Psoriasis

Front 6

A 26 year old African American male has a benign skin lesion removed. Six months later, he presents with a large, hypertrophic mass of tissue, which appears to be invading surrounding normal tissue. The biopsy specimen is significant only for scar tissue. What is this lesion referred to as?

Back 6

Keloid

Front 7

A severe form of seborrheic dermatitis seen in infants is called what?

Back 7

Leiner's disease

Front 8

Wickham's striae are pathognomic of what condition?

Back 8

Lichen planus (white lines)

Front 9

Erythema nodosum commonly presents on what area of the body?

Back 9

Shins (lower legs)

Front 10

Accutane may increase what substances?

Back 10

Triglycerides and cholesterol

Front 11

CREST syndrome includes what 5 features?

Back 11

Calcinosis cutis, Raynaud's phenomenon, Esophageal dysfunction, sclerodactyly, telangiectasia

Front 12

What is the most common soft tissue tumor?

Back 12

Lipoma

Front 13

A 19 year old woman presents with a painful diffuse erythematous rash. A low grade fever and sore throat had been present for several days. 2 weeks earlier, the patient had been given TMP/SMX for an upper URI. On exam there is blotchy erythema on the trunk and proximal extremities as well as crusting of the lips. What is the most likely diagnosis?

Back 13

Toxic epidermal necrolysis (Lyell's syndrome)

Front 14

What skin cancer is least likely to metastasize?

Back 14

Basal cell carcinoma

Front 15

What lesion is pathognomic of measles?

Back 15

Koplik's spots (this type of measles = rubeola)

Front 16

A 40 year old woman presents with a skin lesion on her upper back. The woman regularly sunbathes. The lesion is raised and has a mottled red white and blue appearance. What is the most likely diagnosis?

Back 16

Melanoma

Front 17

A single painful nodule on the finger commonly seen in stockyard and slaughterhouse workers is called what?

Back 17

Milker's nodule

Front 18

The most common etiologic agent of a Milker's nodule is what?

Back 18

Pox virus

Front 19

Diarrhea, dementia, and dermatitis are indicative of what disease?

Back 19

Pellagra (can also see stomatitis)

Front 20

Dilantin may have what severe dermatologic side effect?

Back 20

Toxic epidermal necrolysis (severe form of Stevens Johnson)

Front 21

What food borne pathogen may cause splinter hemorrhages on nails?

Back 21

Trichinella spiralis (Trichinosis, usually from contaminated pork, can also cause conjunctivitis and periorbital edema)

Front 22

A patient presents with a burn on his left torso. On exam the wound is charred and no blisters are visible. The patient reports no pain. How would this burn be classified?

Back 22

Third degree

Front 23

What is the function of Langerhans cells?

Back 23

Antigen presenting cells found in the skin

Front 24

What is the hyperpigmentation around a psoriatic plaque called?

Back 24

Woronoff ring (due to prostaglandins)

Front 25

An autosomal dominant hemorrhagic telangiectasia involving the skin, mucosal surfaces, and internal organs is known as what?

Back 25

Osler-Weber-Rendu disease

Front 26

What is the causative organism of Hansen's disease?

Back 26

Mycobacterium leprae (Leprosy)

Front 27

What cells produce histamine?

Back 27

Mast cells

Front 28

What are the 5 Ps of lichen planus?

Back 28

Pruritic, purple, planar, polygonal, papular (may also add pain)

Front 29

The diseases shingles, chickenpox, cyctomegalic inclusion disease, and mononucleosis are all caused by what group of viruses?

Back 29

Herpesviruses (In order: VZV, VZV, CMV, EBV)

Front 30

What body part usually shows the first manifestations of pemphigus vulgaris?

Back 30

Mouth

Front 31

In the epidermis, what would be affected by a defect in the metabolism of tyrosine?

Back 31

Melanin formation

Front 32

Obstruction of the duct of a sebaceous gland often results in a sebaceous cyst. The substance that accumulates in the cyst would be rich in what compound?

Back 32

Sebum, which is rich in lipids

Front 33

A patient presents to your clinic 4 days after camping with a "bullseye" rash. What is the name of this dermatologic condition and what is the preferred treatment?

Back 33

Erythema migrans (Lyme disease), Doxycycline for 21 days

Front 34

What is the name of the electrocautery tool used in surgery?

Back 34

Bovie

Front 35

What two diseases classically have a rash on the palms & soles?

Back 35

secondary syphilis & Rocky Mountain Spotted Fever

Front 36

Erythema with scale-forming yellowish plaques on the eyebrows, nasolabial folds, glabella, and presternal area

Back 36

Seborrheic dermatitis

Front 37

sudden hair loss with round, well-circumscribed 3-cm area of alopecia in the scalp with exclamation point hairs

Back 37

alopecia areata

Front 38

bites that typically reveal a central blue color of impending necrosis with surrounding white area of vasospasm and peripheral red halo of inflammation

Back 38

Brown recluse spider

Front 39

linear, pruritic, vesicles with underlying erythema on the hands, arms and legs

Back 39

rhus dermatitis

Front 40

this condition manifesting as velvety, hyperpigmented, papillomatous lesions of the neck, axilla, and groin; associated with insulin resistance

Back 40

acanthosis nigricans

Front 41

allergic rhinitis and asthma with chronic pruritic inflammatory lesions of the flexor surfaces, wrists, and dorsal area of the feet. The lesions are excoreated, lichenified with crusted patches and plaques

Back 41

atopic dermatitis

Front 42

dar red pruritic urticarial plaques on the flexor surfaces. The plaques begin developing tesnes bullae on the surface. It is a subepidermal blistering disease presenting on the flexor surfaces of elderly patients. A hallmark is the presence of tense bulla overlying erythematous plaques

Back 42

bullous pemphigoid

Front 43

organ transplant recipients have a significantly increased risk of developing this type of skin cancer

Back 43

squamous cell carcinoma

Front 44

this is a common predisposition condition for cellulitis of the lower extremity

Back 44

diabetes; tinea pedis

Front 45

hypersensitivity reaction to a variety of antigenic stimuli, typically presents as erythematous nodule over the anterior shin area, and is not associated with the development of cellulitis

Back 45

erythema nodosum

Front 46

flat warts that are light-brown or flesh-colored papules ranging from 1-5mm in diameter (because the virus spreads with scratching or shaving, a linear pattern forms)

Back 46

verruca plana

Front 47

indurated, painful crusted ulcer with surrounding erythema on the anterior shin. Caused by group A beta-hemolytic streptococcus and seen most commonly in diabetic, elderly, and alcoholic patients and is usually found on the lower extremities

Back 47

Ecthyma

Front 48

perifollicular purpura, corkscrew hairs and gingival bleeding are most likely due to this deficiency (otherwise known as scurvy)

Back 48

Vitamin C

Front 49

this deficiency presents with phrynoderma or "toad-skin," which is perifollicular hyperkeratosis, and addition with keratomalacia

Back 49

vitamin A deficiency

Front 50

lesions that are reddish-orange to purple indurated nodules and plaques with a predilection for the central face and elevated angiotensin converting enzyme level in up to 60% of all patients. May affects many organs but most commonly the lungs and eyes. CXR looking for pulmonary infiltrates and opthalmology exam are necessary diagnostic tests

Back 50

sarcoidosis

Front 51

in addition to pytiriasis alba, tenia versicolor and vitiligo can also cause hypopigmented lesions. What is a simple test for tinea versicolor, and what is a simple test for vitiligo?

Back 51

scrapping w/KOH preps for tinea versicolor and woods lamp for vitiligo

Front 52

what disease causes strawberry tongue, pharyngeal erythema/exudate, fever, sore throat, abd pain, and sandpaper rash, and facial flushing with circumoral pallor…and what is the treatment?

Back 52

scarlet fever; Tx w/ PCN

Front 53

characteristic rash that is erythematous and maculopapular and starts on the face and progresses to the trunk and extremities. Prodromal symptoms include fever, lymphadenopathy, and malaise

Back 53

rubella

Front 54

Green nails are indicative of what?

Back 54

Pseudomonas infection

Front 55

Adult acne with red nose especially in men

Back 55

Rosacea

Front 56

A patient presents with coin shaped erythematous lesions, what is the most likely diagnosis?

Back 56

Nummular eczema

Front 57

Premature graying and hair falling out is indicative of what condition?

Back 57

Telogen effluvium