dermatology

Question 1

Concern for Cafe au Lait spots

Answer 1

Neurofibromatosis if present in groin or axilla

Question 2

Melanoma ABCDE

Answer 2

Asymmetry, Border irregularity, Color variation, Diameter > 6mm (pencil eraser), Evolution (growing)

Question 3

When to biopsy skin

Answer 3

precancerous suspicion; lesion grows, bleeds, or ulcerates; unsure diagnosis

Question 4

Precancerous lesion that leads to SCC or BCC

Answer 4

Actinic Keratoses

Question 5

Most common pathogens for cellulitis

Answer 5

Staph aureus and strep pyrogens

Question 6

Common pathogen for dog/cat bites

Answer 6

Pasturella

Question 7

Causes of contact dermatitis

Answer 7

allergens and irritants

Question 8

untreated HIV infection causing red/purple patch that evolves to nodules and plaques.

Answer 8

Kaposi Sarcoma

Question 9

Stevens-Johnson Syndrome

(AKA Erythema multiforme major)

Answer 9

Must have systemic toxiticity and involvement of two mucosal surfaces (oral, anal, urethral)

Circular erythematous rashes systemically

Caused by Sulfas, NSAIDs, and anticonvulsants

Care: supportive, vent managment if oral mucosal involvement, and pain management