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157 Cards in this Set
- Front
- Back
ecchymoses |
discoloration caused by injury
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petechiae
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discoloration not caused by injury; smaller than 0.5 cm
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purpura
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discoloration not caused by injury; larger than 0.5 cm
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mercury poisioning
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generalized red flush; widespread miliarial rash; doesn't feel well
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telangiectases
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fine, irregular red lines; little masses of venules; refill erratically |
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vascular spiders
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arterial; refill in organized way
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macule
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(freckles, flat moles, measles)
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papule
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(wart, elevated mole)
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patch
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(vitiligo, port-wine stain)
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plaque
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(psoriasis, seborrhic and actinic keratoses)
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wheal
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(insect bites, urticaria, allergic reaction)
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nodule
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(erythema nodosum, lipoma)
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tumor
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(neoplasms, lipoma)
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vesicle
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(varicella, herpes zoster)
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bulla
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(blister, pemphigus vulgaris)
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pustule
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(impetigo, acne)
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cyst
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(sebaceous, acne)
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scale
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(flaking of skin with dry skin, drug reaction)
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lichenfication
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(chronic dermatitis)
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keloid
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irregular-shaped, elevated, progressively enlarging scar
grows beyond boundary of wound; caused by excessive collagen formation |
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scar
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thin to thick fibrous tissue, replaces skin following injury or laceration to dermis
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excoriation
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(abrasion, scratch, scabies)
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fissure
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(athlete's foot, cracks at mouth corners)
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erosion
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(varicella, variola after rupture)
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ulcer
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(decubiti)
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crust
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(scab, eczema)
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atrophy
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(striae, aging)
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cutis marmorata
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transient mottling (marks with spots or smear of color) when infant is exposed to decreased temperature
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erythema toxicum
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pink papular rash with vesicles superimposed on thorax, back, butt, abdomen; may appear 24-48 hours and resolves after several days; expected color change in infant
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harlequin color change
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clearly outlined color change as infant lies on side,
dependent half becomes pink and upper half is pale |
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mongolian spots
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irregular areas of deep blue pigmentation; usually in sacral or gluteal region
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telangiectatic nevi (stork bites)
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flat deep pink localized areas on back of neck
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epidermal verrucous nevi
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warty lesions in linear or whorled pattern, pigmented or skin color; associated with skeletal, CNS and ocular abnormalities
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cafe au lait patches
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flat, evenly pigmented spots varying in color from light brown to black; associated with neurofibromatosis, pulmonary stenosis, temporal lobe dysrhythmia, tuberous sclerosis
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supernumerary nipples
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associated with renal abnormalities
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hair collar sign
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ring of long dark coarse hair surrounding midline scalp nodule; associated with neural tube closure defects of scalp
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persistent pruritus
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may indicated chronic renal failure, cholestatis liver disease, Hodgkin disease, DM
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vernix caseosa
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whitish, moist, cheese-like substance that covers newborn infants
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milia
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small whitish, discrete papules on the face, sebacceous glands are immature and become clogged
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Dennie-Morgan fold
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an extra crease or pleat of skin below the eye due to chronic rubbing and inflammation
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molluscum fibrosum
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cutaneous tags that are a result of epithelial hyperplasia
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skin changes in pregnancy:
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striae gravidarum; telangiectasis; hemanigomas; cutaneous tags; increase in pigmentation; chloasma (mask of pregnancy)
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itching in pregnancy can occur due to:
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stretching of the skin; jaundice; pregnancy-specific dermatosis
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expected lesions in the older adult:
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cherry angiomas; seborrheic keratoses; sebaceous hyperplasia; cutaneous tags (acrochordon); cutaneous horns; senile lentigines
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seborrheic keratoses
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pigmented, raised, warty lesions; must be distinguished from actinic keratoses which have the potential to be malignant
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senile lentigines
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irregular, round, gray-brown lesions with a rough surface; may be called age or liver spots
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why does the hair turn gray or white?
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melanocytes stop functioning
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lentigo
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brown macule that appears in sun-exposed areas
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corn
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flat or slightly elevated; smooth, hard surface; "soft": caused by pressure of bony prominence against softer tissue;"hard": sharply delineated with conical appearance where pressure is exerted
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callus
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area of hyperkeratosis, not usually tender
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eczematous dermatitis
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epidermal breakdown due to intracellular vesiculation, has 3 stages: acute: erythematous, pruritic weeping vesicles subacute: erythema and scaling chronic: thick lichenified pruritic plaques
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furnicle
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acute localized staphylococcal infection; begins as a follicular abscess and spreads to surrounding dermis and subcut tissue, becomes a pustule, may rupture or need surgery
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folliculities
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staph infection of hair follicle and surrounding dermis, pustule
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cellulitis
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strep or staph infection of skin and subcut tissue; lymphatic streaks and lymphadenopathy may be present
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tinea
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noncandidal fungal infection, usually classified according to anatomic location: cruris (groin/thigh), unguium (nails)
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pityriasis rosea
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self-limiting inflammation of unknown cause, primary round plaque with scaling with eruption weeks later with a distribution along the ribs giving a Christmas tree pattern, not contagious
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psoriasis
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disease of keratin synthesis, dry silvery scaling papules/plaques
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rosacea
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chronic inflammatory disorder characterized by telangiectasia, erythema, papules, pustules in central area of the face; tissue hypertrophy of the nose (rhinophyma) may occur, comedomes are never present
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drug eruptions
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discrete/confluent erythematous maculopapules, pruritus
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herpes zoster (shingles)
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viral infection usually of a single dermatome, red swollen plaques or vesicles filled with purulent fluid
pain in the dermatome can start days before the rash |
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herpes simplex
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viral infection, tenderness, pain, paresthesia, mild burning
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cutaneous anthrax
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spore forming bacterium, pruritic macule or papule that enlarges into an ulcer, central necrosis, associated with lymphangitis and lymphadenopathy
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smallpox
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variola virus, direct transmission by infected saliva, most infectious during 1st week, rash first appears on mouth/pharynx/face/forearms and spreads to trunk and legs; starts as flat red lesions that evolve at same rate then become vesicular, pustular and crust
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basal cell carcinoma
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most common form of skin cancer, arises in basal layer of epidermis, warning signs include: open sore, reddish patch, shiny nodule, pink growth and scarlike area
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squamous cell carcinoma
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second most common skin cancer, arises in the epithelium, soft mobile elevated masses with a surface scale, warning signs: wartlike growth, scaly red patch, open sore, elevated growth with a central depression
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malignant melanoma
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skin cancer that develops from melanocytes
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kaposi sarcoma
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malignant tumor of endothelium and epithelial layer of skin, soft vascular bluish-purple and painless lesions, macular or papular, opportunistic infection in those with HIV, can have lesions on skin, GI tract, lungs liver lymph nodes bones etc
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alopecia areata
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hair shaft is poorly formed and breaks off at the skin surface
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paronychia
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inflammation of the paronychium produces redness swelling and tenderness at the lateral and proximal nail folds, purulent drainage
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tinea unguium
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fungal infection of the nail, hyperkeratotic debris accumulates in nail plate causing it to turn yellow or white and the nail to separate from the nail bed (onycholysis), nail plate crumbles
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subungual hematoma
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caused by trauma to the nail plate causing immediate bleeding and pain
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leukonychia punctata
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white spots on the nail due to minor injury or manipulation of the cuticle
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habit-tic deformity
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caused by biting or picking the proximal nail fold of the thumb with the index finger, results in horizontal sharp grooving in a band that extends to tip of nail
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koilonychia (spoon nails)
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central depression of the nail with lateral elevation of the nail plate that produces a concave curvature and spoon appearance, associated with iron deficiency, syphillis, fungal dermatoses and hypothyroidism
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beau lines
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transverse depressions at the base of the lunulae in all the nails, associated with coronary occlusion, hypercalcemia and skin disease, caused by stress that temporarily interrupts nail formation
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white banding (terry nail)
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transverse white bands covering the nail except for a narrow zone at the distal tip, associated with cirrhiosis and hypoalbuminemia
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psoriasis
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pitting, onycholysis, discoloration and subungual thickening, yellow scaly debris accumulates, can cause splinter hemorrhage
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warts
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epidermal neoplasms caused by viral infection, can occur at nail fold and extend under the nail
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digital mucous cysts
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contain a clear, jelly like substance and occurs on the dorsal surface of the distal phalanx, longitudinal groove may occur
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pruritic urticarial papules and plaques of pregnancy (PUPPP)
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benign dermatosis that usually arises in the 3rd trimester of a 1st pregnancy, begins on abdomen and spreads to thighs buttocks and arms, halos of blanching surround the papules, larger bullae don't occur and not periumbilical (herpes)
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herpes gestationis
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rare autoimmune disorder of pregnancy, not related to the viral infection, initially periumbilical erythematous urticarial patches and plaques, progress to vesicle and blisters, pruritus, can develop necrosis of affected skin and kidney damage
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seborrheic dermatitis
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chronic recurrent erythematous scaling eruption localized where sebaceous glands are concentrated; craddle cap
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miliaria (prickly heat)
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irregular red macular rash caused by occlusion of sweat ducts during periods of heat
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impetigo
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highly contagious staph or strep infection of the epidermis, causes pruritis, burning and regional lymphadenopathy, starts as a macule then changes to a vesicle or bulla, crusts
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acne vulgaris
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stagnation of sebum and comedo formation in the pilosebaceous follicle with bacterial invasion
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reddened patchiness
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suggest richer capillary bed, caused by capillary hemangioma, nevus flammeus or vasculosus and telangiectatic nevus
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chickenpox
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fever mild malaise and pruritic maculopapular skin eruption that becomes vesicular, occurs with several stages of maturity at one time, complications include conjunctival involvement, bacterial infection, viral pneumonia, encephalitis, aseptic meningitis, myelitis, Guillain-Barre, Reye syndrome
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measles (rubeola)
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prodromal fever, conjunctivitis, coryza and bronchitis followed by a red blotchy rash, Koplik spots on buccal mucosa, macular then maculopapular, complications include infection of resp tract and CNS
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german measles (rubella)
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mild and febrile, maculopapular rash, starts with fever, coryza, sore throat and cough, macular then papular rash, Forschheimer spots on soft palate, infection during 1st trimester can cause congenital rubella syndrome
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trichotillomania
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loss of scalp hair caused by physical manipulation, can lead to trichobezoar (lump of hair in stomach after being swallowed)
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causes of balding in children:
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scalp ringworm
alopecia areata trichotillomania abusive hair pulling |
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bruises
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when associated with abuse it occurs over soft tissue
accidental bruises occur over bony prominences |
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lacerations
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those of the frenulum and lips are associated with forceful feeding
can be caused by bite marks |
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burns
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common are stocking and glove distribution indicating placement into a hot water or surface
can be differentiated from accidental by looking for splash marks (spilled hot liquid) |
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stasis dermatitis
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erythematous scaling weeping patches, secondary to edema of chronic peripheral vascular disease
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solar keratosis (senile actinic keratoses)
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slightly raised erythematous lesion, secondary to chronic sun damage and has malignant potential
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morbilliform
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maculopapular lesions that become confluent on the face and body
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target lesion
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pink macules with purple central papules
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punctation
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central umbilication or dimpling
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yellow discoloration of the nail
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nail color caused by psoriasis or fungal infection or chronic resp disease
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darkening of the nail
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nail color caused by antimalarial drug therapy, candidal infection, hyperbilirubinemia and chronic trauma
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green-black discoloration of the nail
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nail color caused by Pseudomonas infection (no pain) or subungual hematoma (pain)
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single blue-black nail
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nail color caused by melanoma or bruising/bleeding from trauma
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generalized blue nails
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nail color caused by cyanosis due to asthma, cardiac disorders or anemia, silver poisioning, med side effect, Wilson disease (inherited)
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Longitudinal red or brown streaks
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nail abnormalities caused by splinter hemorrhage, may occur with psoriasis of nail matrix or injury to prox nail fold (habit-tic deformity)
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Longitudinal white streaks or transverse white bands
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systemic disorder cause this nail abnormality
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Longitudinal ridges and grooves
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expected nail abnormality or caused by lichen planus
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Transverse grooves
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repeated trauma causes this nail abnormality
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Transverse rippling of nail plate
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chronic inflammation with chronic paronychia or eczema cause this nail abnormality
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Transverse depression at base of lunula
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stress temporarily interrupts nail formation causing this nail abnormality
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Depression in nail
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syphilis, high fevers, peripheral vascular disease, DM can cause this nail abnormality
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Pitting
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psoriasis causes this nail abnormality
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Broadening and flattening
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secondary syphilis causes this nail abnormality
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halo nevus
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this nevus is usually benign, can occur with melanoma
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intradermal nevus
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this nevus has no indications for removal except cosmetic
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junction and compound nevi
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these nevi should be removed if exposed to repeated trauma
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hairy nevus
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this nevus should be removed if changes occur
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size of a normal mole
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less than 6 mm
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macule
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flat, circumscribed areas that is a change in the color of the skin, less than 1 cm in diameter
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papule
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elevated, firm circumscribed area, less than 1 cm in diameter
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patch
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flat, nonpalpable, irregular-shaped macule greater than 1 cm in diameter
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plaque
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elevated, firm and rough lesion with flat top surface greater than 1 cm in diameter
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wheal
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elevated irregular-shaped area of cutaneous edema; solid, transient variable diameter
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nodule
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elevated firm circumscribed lesion; deeper in dermis than a papules; 1-2 cm in diameter
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tumor
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elevated and solid lesion; may or may not be clearly demarcated; deeper in dermis; greater than 2 cm in diameter
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vesicle
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elevated circumscribed superficial, not into dermis; filled with serous fluid, less than 1 cm in diameter
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bulla
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vesicle greater than 1 cm in diameter
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pustule
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elevated superficial lesion; similar to a vesicle but filled with purulent fluid
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cyst
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elevated circumscribed encapsulated lesion; in dermis or subcutaneous layer; filled with liquid or semi-solid material
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telangiectasia
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find, irregular red lines produced by capillary dilation
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scale
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heaped-up keratinized cells; flaky skin; irregular; thick or thin; dry oily; variation in size
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lichenification
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rough thickened epidermis secondary to persistent rubbing, itching or skin irritation; often involves flexor surface of extremity
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keloid
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irregular shaped elevated progressively enlarging scar; grows beyond the boundaries of the wound; caused by excessive collagen formation during healing
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scar
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thin to thick fibrous tissue that replaces normal skin following injury or laceration to the dermis
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excoriation
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loss of the epidermis; linear hollowed-out crusted area
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fissure
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linear crack or break from epidermis to the dermis; may be moist or dry
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erosion
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loss of part of the epiermis; depressed moist glistening follows rupture of a vesicle or bulla
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ulcer
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loss of epidermis and dermis; concave; varies in size
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crust
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dried serum, blood or purulent exudates; slightly elevated; size varies; brown, red, black, tan or straw colored
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atrophy
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thinning of skin surface and loss of skin markings; skin translucent and paper-like
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faun tail nevus
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tuft of hair overlying the spinal column at birth; may be associated with spina bifida occulta
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Elephantiasis
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massive accumulation of lymphedema throughout body from widespread inflammation and obstruction of lymphatics by filarial worms
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Wuchereria bancrofti or Brugia malayi
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common filiarial worms that cause elephantiasis
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Lymphangioma and cystic hygroma
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results of obstruction of developing lymph vessels
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Lymphedema
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hypoplasia and maldevelopment of lymph system
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Milroy disease
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primary lymphedema
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serum sickness
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Urticaria and other rashes, lymphadenopathy, joint pain, fever, facial edema; 7-10 days after provoking substance, can recur
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Pneumocystis carinii pneumonia
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common opportunistic infection in AIDS
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cat scratch disease
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Most common cause of subacute or chronic inflammation in kids
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roseola infantum (HHV-6)
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Fever followed by morbilliform rash; Usually 7-12 mo old
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toxoplasmosis
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Single enlarged and nontender node; hx of eating raw meat
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Epstein-Barr virus (mono)
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Sx: pharyngitis, fever, fatigue, malaise, splenomegaly, hepatomegaly, rash; Anterior and posterior cervical are most common affected nodes
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Epstein-Barr virus
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Virus found in Burkitt lymphoma and nasopharyngeal carcinoma
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acute suppurative lymphadenitis
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caused most often by strep and staph bacteria
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Actinomycotic adenitis
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dental disease causing acute suppurative lymphadenitis
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Pasteurella multocida infection
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cat scratch disease
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Virchow node
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in L supraclavicular region indicative of abdominal or thoracic malignancy
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