Fig. 1From: Laparoscopic ureterocalicostomy for ureteropelvic junction obstruction in a 10-year-old female patient: a case report a Preoperative ultrasonography showed severe hydronephrosis. b CT scan revealed hydronephrosis and an 11 mm renal stone (white arrow) due to right ureteropelvic junction obstruction and thinning of the renal cortexBack to article page