STENOSING URETERITIS IN HENOCH-SCHONLEIN PURPURA

Background - Ureteral complications in Henoch-Schonlein's purpura are rare. They may pose some difficult problems of diagnosis. Case report. - Bilateral ureteral stenosis revealed by low back pain, macroscopic hematuria, leukocyturia and renal failure appeared 15 days after the o nset of Henoch-Schonlein purpura in a 14-year-old boy. it was confirme d by ultrasonography; intravenous pyelography showed stenosis of both proximal uretera associated to bilateral hydronephrosis. Treatment wit h corticosteroids relieved the symptoms and normalized the renal funct ion in restoring patency of both ureters. Nevertheless, the patient wa s still suffering from mild bilateral hydronephrosis and bilateral ren al lithiasis, 2 years later. Conclusion. - Macroscopic hematuria and r enal failure, usually indicative of renal involvement in Henoch-Schonl ein syndrome can be the first manifestations of the ureteritis excepti onally seen in this vasculitis.