MCQ – 85414

Question

A 25-year-old woman with a recent history of acute hepatitis B infection presents with reddish-blue lesions on her lower extremities, fever, muscle pain, and mild weight loss. Physical examination reveals numerous regions of red-purple discoloration affecting the skin of both legs. Laboratory tests demonstrate positive P-ANCA and an elevated erythrocyte sedimentation rate. Urinalysis shows 2+ proteinuria. The biopsy of lesional skin is shown in the image. Which of the following is the most likely diagnosis?

A.
Benign arteriosclerosis
B. Mönckeberg medial sclerosis

C.

Henoch-Schönleinpurpura

D.

Polyarteritis nodosa

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