Dermatology Flashcards
Acute eruption of purple, pruritic, polygonal papules the most commonly presents on the wrists and ankles
Lichen planus
Presents with 1 herald patch that is a few cm wide followed by many 0.5-2cm red scaling pruritic patches along the skin cleavage lines in a Christmas tree distribution of the trunk that last 1-3 mo
Pityriasis rosea
An inflammatory, scaly, itchy dermatitis that most commonly affects the scalp but can also affect the eyebrows, nasolabial folds, chin, central chest, perineum
Seborrheic dermatitis
Superficial skin infection that manifests as thin, atrophic, finally wrinkled pink brown plaques in the intertriginous areas
Most appropriate diagnostic evaluation
Erythrasma
Wood lamp
First time agent for rosacea
Topical metronidazole cream
Proffered agent for the treatment of scabies
Topical permethrin
Cancer associated with seborrheic keratosis
GI adenocarcinoma
Treatment for warts
Salicylic acid or cryotherapy
Preferred treatment for actinic keratosis
Distraction by liquid nitrogen or curettage
Photos sensitive disorder that present with scarring and blistering on sun exposed skin, most commonly on the dorsal hands
Porphyria cutanea tarda
Pearly or translucent nodule or papule with arborizing telengiectasias and may have a central depression or ulceration with a rolled waxy border
Nodular basal cell carcinoma
Form of anaplastic and side SCC that presents as circumcribed erythematous or pigmented patches that typically have a keratotic surface
Bowen disease
Form of SCC generally appearing as a rapidly growing red nodule with a prominent central plug of scale and cross. It’s appearance is “volcaniform”
Keratoacanthoma
Presence of melanoma in at least 2 relatives; more than 50 nevi, with multiple nevi having atypical clinical and histological features; and dysplastic nevi in other family members
Autosomal dominant familial melanoma/dysplastic nevus syndrome
First line therapy for pemphigus vulgaris and billows pemphigoid
Oral glucocorticoids
