title: Palpable leg purpura and renal failure in a 23-year-old man.
mesh_terms: D000328:Adult; D003937:Diagnosis, Differential; D006801:Humans; D011695:IgA Vasculitis / Q000150:complications* / Q000175:diagnosis / Q000473:pathology; D007676:Kidney Failure, Chronic / Q000150:complications* / Q000473:pathology / Q000628:therapy; D008180:Lupus Erythematosus, Systemic / Q000175:diagnosis; D008297:Male