title: Unusual presentation of ureteropelvic junction obstruction in an incomplete duplex system.
abstract: Ureteropelvic junction obstruction in an incomplete duplex system is seen infrequently. This case represents an unusual presentation of such an obstruction. Recommendations are made for preoperative evaluation and surgical management of these patients.
mesh_terms: D002675:Child, Preschool; D003937:Diagnosis, Differential; D006801:Humans; D006869:Hydronephrosis / Q000209:etiology / Q000473:pathology; D052177:Kidney Diseases, Cystic / Q000175:diagnosis; D007680:Kidney Neoplasms / Q000175:diagnosis; D007682:Kidney Pelvis / Q000002:abnormalities* / Q000473:pathology; D008297:Male; D014513:Ureter / Q000002:abnormalities / Q000473:pathology; D014517:Ureteral Obstruction / Q000150:complications / Q000175:diagnosis / Q000473:pathology*