Dermatology Flashcards
Infants: Extensor
Children: Flexor
Allergies, Asthma, Antihistamines
Steroids
Atopic dermatitis
Fingers, vesicles, steroids
Dyshidrosis
Rubbing/scratching, steroids
Lichen simplex chronicus
Hepatitis C, purple, pruritic, polygonal, plaque, Wickham striae
Lichen planus
Wickham striae are whitish lines visible in the papules of lichen planus and other dermatoses, typically in the oral mucosa.
Herald patch, Christmas tree pattern
Pityriasis rosea
Papules, silvery plaques, extensor, scalp, steroids
Psoriasis
HSV, mycoplasma, Meds, target like lesions, self limiting
erythema multiforme
<10% Nikolski sign, meds, life threatening
Stephen Johnson syndrome (SJS)
> 30% Nikolski sign, meds, life threatening
Toxic epidermal necrolysis (TEN)
Bullous, >60 yo, Bx, Direct immunofluorescence, steroids, BP180 levels
Bullous Pemphigoid
Pilosebaceous glands, PCOS, OCP, Retinoids, Benzoyle peroxide
Acne
Facial flushing, Alcohol, Spicy foods, Sun, Hot temp, Rhinophyma (men)
Rosacea
Pre-cancer, erythematous scaling macule
Actinic keratosis
Pruritus wore at night, burrows, spares head, permethrin 5%
Scabies
UV light, face, Pearly papule with telangiectasia vessel
Basal cell carcinoma