MCQ – 88497

Question

A 35-year-old woman with chronic hepatitis B presents with numerous red skin lesions that she has had for 5 days. Physical examination reveals multiple, purpuric, 2- to 4-mm papules on the skin as shown in the image. The papules did not blanch under pressure. Biopsy of lesional skin shows necrotizing leukocytoclastic venulitis. Immunofluorescence studies disclose immune complex deposition in vascular walls. Which of the following is the most likely diagnosis?

A. Allergic contact dermatitis

B.

Dermatitis herpetiformis

C.

Erythema multiforme

D.

Hypersensitivity angiitis

Show Answer

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