Henoch-Schönlein purpura is a well-defined clinical entity characterized by a typical skin eruption, polyarthralgia, abdominal pain, occasional bleeding from the bowel, and not infrequently hematuria (1, 2). Most authors agree that evidence of nephritis, as manifested by red cells and casts in the urine sediment or
proteinuria, occurs in 40 to 60% of cases during some phase of the disease (3-11). Focal glomerulonephritis has been described repeatedly in renal biopsies from this disease (5, 10, 12-15), but vasculitis, although always present in cutaneous lesions, has been reported previously in the kidney only in autopsy material (16, 17). The present case