Derm

Question 1

Lipodermatosclerosis

Answer 1

• insufficient venous return –> fibrosis (“woody induration”)

Inverted champagne bottle

Painful

Question 2

Oral Hairy Leukoplakia

Answer 2

fixed oral plaques of EBV, often co-infection w/ HIV

NOT pre-cancerous

Question 3

What defines disseminated Herpes?

Answer 3

crosses midlines or > 3 dermatomes

Question 4

E tox v. Transient Neonatal Pustular Melanosis

Answer 4

Erythema Toxicum -24 to 48 hrs after birth, benign, erythematous blotchy patches with papules, pustules or vesicles
- If test pustules they contain EOSINOPHILS

Transient Neonatal Pustular Melanosis - starts in utero, have pustules that erupt to show melanotic base, will be in various stages
- If test pustules they contain NEUTROPHILS

Question 5

HSP

Answer 5

Vasculitis (IgA)

Palpable purpura (non-blanching) of legs and butt

+/- abdominal pain, edema, arthralgias

Complications - HTN (measure), renal damage (get UA), intussussception

Question 6

Anaphylaxis Dosing

Answer 6

give .01 mg/kg of 1:1000 IM epinephrine q 15 minutes in kids

.3-.5 mL of 1:1000 IM in adults q 15 minutes

Question 7

Dyshidrotic eczema

Answer 7

• wax/waning chronic, tense water-filled blisters on margins of hands and feet

Question 8

Guttate Psoriasis

Answer 8

• post febrile, small spots of psoriasis, NOT palmar, -RPR

Question 9

Erythema Multiforme

Answer 9

VIRAL trigger (HSV, mycoplasma)

target lesion with central clearing

Minor - no mucous membrane involvement

Major - mucous membrane involvement (but still < 10% surface area)