Dermatology

Question 1

“Stuck-on” appearance

Answer 1

Seborrheic keratosis

Question 2

Red plaques with silvery-white scales and sharp margins

Answer 2

Psoriasis

Question 3

Most common type of skin cancer; the lesion is a pearly-colored papules w/ a translucent surface and telangiectasias

Answer 3

Basal cell carcinoma

Question 4

Honey-crusted lesions

Answer 4

Impetigo

Question 5

A febrile pt w/ a hx of diabetes presents w/ a red, swollen, painful lower extremity

Answer 5

Cellulitis

Question 6

(+) Nikolsky’s sign

Answer 6

Pemphigus vulgaris

Question 7

(-) Nikolsky’s sign

Answer 7

Bullous pemphigoid

Question 8

55 y/o obese pt presents with dirty, velvety patches on the back of the neck

Answer 8

Acanthosis nigricans. Check fasting BG to r/o diabetes

Question 9

Dermatomal distribution

Answer 9

Varicella zoster

Question 10

Flat-topped papules

Answer 10

Lichen planus

Question 11

Iris-like target lesions

Answer 11

Erythema multiforme

Question 12

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

Answer 12

Contact dermatitis

Question 13

Presents with a herald patch, Christmas-tree pattern

Answer 13

Pityriasis rosea

Question 14

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

Answer 14

Tinea (pityriasis) versicolor

Question 15

4 characteristics of a nevus suggestive of melanoma

Answer 15

Asymmetry, border irregularity, color variation, and large diameter

Question 16

A premalignant lesion from sun exposure that can lead to squamous cell carcinoma

Answer 16

Actinic keratosis

Question 17

“Dewdrops on a rose petal”

Answer 17

Lesions of primary varicella

Question 18

“Cradle cap”

Answer 18

Seborrheic dermatitis. Tx conservatively w/ bathing and moisturizing agents

Question 19

A/w Propionibacterium acnes and changes 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 women

Answer 21

Lichen sclerosus

Question 22

Exophytic nodules on the skin w/ varying degrees of scaling or ulceration; 2nd most common type of skin cancer

Answer 22

Squamous cell carcinoma