Systemic Levamisole-Induced Vasculitis in a Cocaine User without Cutaneous Findings: A Consideration in Diagnosis

<div>Renal biopsy. (a) PAS at 400x. Glomerulus showing proliferative glomerulonephritis surrounded by a cellular crescent. (b) H&amp;E at 400x. Focus of fibrinoid necrosis with inflammation from necrotizing arteritis. PAS: periodic acid-Schiff-diastase; H&amp;E: hematoxylin and eosin.</div>

Case Reports in Medicine

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Figure 1

Figure 1: Systemic Levamisole-Induced Vasculitis in a Cocaine User without Cutaneous Findings: A Consideration in Diagnosis 