Derm

Question 1

Sq Cell Carcinoma Location

Answer 1

Lower lip, keratin pearls on bx

Question 2

Intense pain with light touching

Answer 2

Prodrome for Shingles. Pain may precede rash by several days

Question 3

Ring shaped scaly patches with central clearing and distinct borders

Answer 3

Tinea Corpis

Question 4

Progressive loss of melanocytes - typically in acral and orificial areas

Answer 4

Vitilligo. AI Dz

Question 5

TEN vs SJS

Answer 5

TEN - > 30% body affected

SJS - < 10% body affected

Question 6

Pemphigus Vulgaris

Answer 6

Nikolsky sign positive. Intracellular IgG deposits in dermis. Abs to desmoglein

Question 7

Bullous pemphigoid

Answer 7

Nikolsky sign negative. Abs to hemidesmosomes

Question 8

Tx for mild, comedonal acne

Answer 8

Topical retinoids/salicylic acid/benzoyl peroxide

Question 9

Tx for moderate inflammatory acne

Answer 9

topical abx

Question 10

Tx for severe/recalcitrant acne

Answer 10

Oral abx and oral isotretinoin

Question 11

Well defined plaques with a silvery scale on extensor surfaces ?

Answer 11

psoriasis. also maybe pitting of nails

Question 12

Stasis dermatitis is caused by?

Answer 12

Venous insufficiency

Question 13

How to rewarm frostbitten fingers/extremities?

Answer 13

Rewarm in warm water. Don’t debride initially

Question 14

Flushing of cheek, nose, chin associated with hot drinks, heat, emotion and other causes of rapid changes in body temps. also some telangectasias. dx?

Answer 14

Rosacea. Topical metronidazole.

Question 15

Patient has SLE and shows up with acne. monomorphous, erythematous follicular papules on face, trunk and extremities. Her meds are hydroxychloroquine and prednisone. Why does she have acne?

Answer 15

Typical of steroid-induced folliculitis. Comedones are typically absent.