Maculopapular Skin Disorders

Question 1

Seborrheic dermatitis presents with

Answer 1

Greasy, slightly erythematous scaling occurring in the scalp, face, and post auricular and intertriginous areas

Question 2

Seborrheic dermatitis affects which gender more?

Answer 2

Males

Question 3

Seborrheic dermatitis presents in infants as

Answer 3

Yellow or brown scaling lesions on the scalp

Question 4

Seborrheic dermatitis presents in adolescents/adults as

Answer 4

Dandruff, dry, flaky scales on scalp

Question 5

What is the initial diagnostic tool used for seborrheic dermatitis?

Answer 5

KOH, others: skin biopsy and immunofluorescence studies

Question 6

What is the 1st line treatment for seborrheic dermatitis?

Answer 6

Ketoconazole 2%

Also: Selenium sulfide, Ciclopirox and topical antifungals or corticosteroids

Question 7

Seborrheic dermatitis is chronic and

Answer 7

Recurrent

Question 8

A biopsy should be performed for

Answer 8

Pustular cases

Question 9

Nail cultures should be performed for

Answer 9

Fungal disease

Question 10

Psoriatic arthritis may be

Answer 10

HLA-B27 positive

Question 11

What are treatments for psoriasis?

Answer 11

Topical corticosteroids, oral retinoids, methotrexate, cyclosporine, biologic agents, phototherapy, and combination therapy

Question 12

What medications should be avoided in psoriasis?

Answer 12

B-blockers, lithium, antimalarials

Question 13

Pityasis rosacea is caused by

Answer 13

Herpes virus

Question 14

RPR should be performed when managing pityriasis rosacea to rule out

Answer 14

Syphilis

Question 15

What is the treatment for pityriasis rosacea?

Answer 15

Calamine lotion, antihistamines, consider acyclovir x 1 week, avoid steroids

Question 16

Pityriasis rosacea is expected to resolve in

Answer 16

1-2 months

Question 17

Lichen planus is characterized by

Answer 17

An itchy, non-infectious rash on the arms/legs

Question 18

Lichen planus is associated with

Answer 18

Hepatitis C

Question 19

What are the 6 Ps of lichen planus?

Answer 19

Planar (flat-topped), purple, polygonal, pruritic, papules, plaques

Question 20

Close examination of lichen planus reveals a

Answer 20

Reticulated pattern of white scale known as Wickham’s striae

Question 21

Lichen planus can be treated with

Answer 21

Antihistamines at night for itching