A patient with sarcoidosis has firm, tender, reddened nodules, along the anterior aspect of the leg. These lesions are called:
A. Erythema multiforme
B. Erythema nodosum
C. A discoid rash
D. Lichen planus
Question 2Which of the following characteristics is not helpful in differentiating between psoriasis and atopic dermatitis?
A. Distribution
B. Family history
C. Lesion morphology
D. Chronicity
Question 3Patient presents with complaint of a swollen node under his arm. The area is tender and the node has progressed in size over the past few days. Which of the following should be included in your differential diagnosis?
A. Hidradenitis suppurativa
B. Epidermoid cyst
C. Furuncle
D. Both A and C
Question 4Which of the following skin conditions frequently heralds an anaphylactic reaction?
A. Contact dermatitis
B. Eczema
C. Urticaria
D. Erythema multiforme
Question 5Which of the following disorders often presents in patients with caf-au-lait spots ?
A. Diabetes
B. Malignancy
C. Neurofibromatosis
D. Autoimmune disease
Question 6Which of the following skin disorders is associated with diabetes?
A. Acanthosis nigricans
B. Vitiligo
C. Impetigo
D. Folliculitis
Question 7Your patient complains of a progressive loss of pigment in various patches on the body. Affected skin surfaces are otherwise normal (e.g. no scaling, vesicles, elevation, or other changes). The most likely cause is:
A. Vitiligo
B. Acanthosis nigricans
C. Psoriasis
D. Pityriasis alba