Dermaololgy

Question 1

Red plaques with silvery-white scales and sharp margins

Answer 1

Psoriasis

Question 2

MC type of skin CA; lesion is a pearly-colored papule with a translucent surface and telangiectasias

Answer 2

BCC

Question 3

Honey-crusted lesion

Answer 3

Impetigo

Question 4

Febrile pt with h/o diabetes presents with a red, swollen, painful LEx

Answer 4

Cellulitis

Question 5

(+) Nikolsky’s sign

Answer 5

Pemphigus vulgaris

Question 6

(-) Nikolsky’s sign

Answer 6

Bullous pemphigoid

Question 7

55 yo obese pt presents with dirty, velvety, patches on the back of the neck

Answer 7

Acanthosis nigricans. Check fasting BG to r/o diabetes.

Question 8

Dermatomal distribution

Answer 8

Varicella zoster

Question 9

Flat-topped papules

Answer 9

Lichen planus

Question 10

Iris-like target lesions

Answer 10

Erythema multiforme

Question 11

Lesion characteristically occurring in a linear pattern in areas where skin comes into contact with clothing or jewelry

Answer 11

Contact dermatitis

Question 12

Presents with a herald patch, Christmas tree pattern

Answer 12

Pityriasis rosea

Question 13

16 yo presents with an annular patch of alopecia with broken-off, stubby hairs

Answer 13

Alopecia areata (an autoI process)

Question 14

Pinkish, scaling, flat lesions on the chest and back; KOH prep has a “spaghetti-and-meatballs” appearance

Answer 14

Pityriasis versicolor

Question 15

4 characteristics of a nevus suggestive of melanoma

Answer 15

“ABCD”: Asymmetry, Border irregularity, Color variation, Diameter large

Question 16

Premalignant lesion from sun exposure that can lead to SqCC

Answer 16

Actinic keratosis

Question 17

“Dewdrops on a rose petal”

Answer 17

Lesions of 1˚ varicella

Question 18

“Cradle cap”

Answer 18

Seborrheic dermatitis. Tx with antifungals.

Question 19

A/w Propionibacterium acnes and ∆s in androgen levels

Answer 19

Acne vulgaris

Question 20

Painful, recurrent vesicular eruption of mucocutaneous surfaces

Answer 20

Herpes simplex

Question 21

Inflammation and epithelial thinning of the anogenital area, predominantly in postmenopausal F

Answer 21

Lichen sclerosus

Question 22

Exophytic nodules on the skin with varying degrees of scaling or ulceration; 2nd MC type of skin CA

Answer 22

SqCC

Question 23

“Stuck-on” appearance

Answer 23

Seborrheic keratosis