Dermatology Rapid Review

Question 1

Seborrheic keratosis

Answer 1

“Stuck on” appearance

Question 2

Psoriasis

Answer 2

Red plaques with silvery-white scales and sharp margins

Question 3

Basal cell carcinoma

Answer 3

Most common type of skin cancer

Lesion is pearly-colored papule with translucent surface and telangiectasias

Question 4

Impetigo

Answer 4

Honey-crusted lesions

Question 5

Febrile patient with a history of DM presents with a red, swollen, painful lower extremity

Answer 5

Cellulitis

Question 6

+Nikolsky’s sign vs. -Nikolsky’s sign

Answer 6

Pemphigus vulgaris vs. bullous pemphigoid

Question 7

A 55-year-old obese patient presents with dirty, velvety patches on the back of the neck

Answer 7

Acanthosis nigricans

Check FBG to rule out diabetes

Question 8

Varicella zoster

Answer 8

Dermatomal distribution

Question 9

Lichen planus

Answer 9

Flat-topped papules

Question 10

Erythema multiforme

Answer 10

Iris-like target lesions

Question 11

Contact dermatitis

Answer 11

Characteristically occurring in linear pattern in areas where skin comes into contact with clothing or jewelry

Question 12

Pityriasis rosea

Answer 12

Herald patch, christmas tree distribution

Question 13

16 year old presents with annular patch of alopecia with broken-off, stubby hairs

Answer 13

Alopecia areata (autoimmune)

Question 14

Pityriasis versicolor

Answer 14

Pinkish, scaling, flat lesions on the chest and back

KOH prep has “spaghetti and meatball” appearance

Question 15

Four characteristics of nevus suggesting melanoma

Answer 15

Asymmetry, border irregularity, color variation, large diameter (>6 mm)

Question 16

Actinic keratosis

Answer 16

Premalignant lesion from sun exposure that can lead to SCC

Question 17

Primary varicella

Answer 17

Dewdrops on a rose petal

Question 18

Seborrheic dermatitis

Answer 18

Cradle cap

Treat with antifungals

Question 19

Acne vulgaris

Answer 19

Associated with Propionibacterium acnes and changes in androgen levels

Question 20

Herpes simplex

Answer 20

Painful, recurrent vesicular eruption of mucocutaneous surfaces

Question 21

Lichen sclerosus

Answer 21

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

Question 22

Squamous cell carcinoma

Answer 22

Exophytic nodules on the skin with varying degrees of scaling or ulceration
Second most common type of skin cancer