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Flashcards in Derm Deck (10)
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1

painful, target lesions following an infection (usually HSV). Often involves mucosal area or palms/soles

Erythema Multiforme (tx symptomatic)

2

common conditions associated w/erythema nodosum

Streptococcal pharyngitis
Sarcoid
TB
Fungal (cocci/histo/blasto)
IBD
Pregnancy/OCP use

3

violaceous, polygonal papules

Lichen planus (can have Wickham striae- white lines within the lesion

4

tx scabies

topical permethrin
oral ivermectin

5

tx shingles

1) Valacyclovir w/in 72h and for 7 days
2) Pain control
3) Zoster vaccine
**steroids not indicated

6

h/o Hep C, develops blisters w/sun exposure

porphyria cutanea tarda (increased serum uroporphyrinogen)
tx: avoid triggers (EtOH, estrogen), phlebotomy

7

which has (+) Nicholsky, oral involvement, generally worse? pemphigus vulgaris or bullous pemphigoid

pemphigoid vulgaris (tx: systemic steroids, +/- immunomodulator)

8

child with salmon-colored patch followed by multiple plaques in "Christmas-tree" formation

pityriasis rosea
tx: self-resolves, symptomatic

9

skin infection, most commonly S. pyogenes
painful, well-defined demarcation

Erysipelas (upper dermis, superficial lymphatics)
tx. oral PCN, IV ceftriaxone/cefazolin

10

diseases associated w/skin tags

insulin resistance
pregnancy
Crohns (polyps/ perianal disease)