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Arch Intern Med. 2002;162:222-223.

	Since this article does not have an abstract, we have provided the first 150 words of the full text and any section headings.

Henoch-Schönlein purpura is the most frequent vasculitis in children. It is characterized by vascular deposition of IgA-dominant immune complexes. It often begins after an upper respiratory tract infection. Purpura, arthralgias, and colicky abdominal pain are the most frequent manifestations. Approximately half the patients have hematuria and proteinuria, but only 10% to 20% have renal insufficiency. It is not a common diagnosis in adults. We present a case that was a diagnostic dilemma until a renal biopsy was done.¹

Report of a Case

A 40-year-old white woman developed an itching rash on her legs and forearms after visiting a farm. She was diagnosed as having a hypersensitivity reaction and treated with prednisone without improvement. She had no pulmonary, joint, gastrointestinal, urinary, or systemic symptoms. She had hypertension that was being treated with a thiazide and mild chronic obstructive pulmonary disease. Physical examination showed extensive hemorrhagic papules on her shins and thighs (Figure 1, . . . [Full Text of this Article]

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