Hydronephrosis due to malrotation in a pelvic ectopic kidney with vascular anomalies.

A particular case of hydronephrosis in ectopic kidney due to a malrotation and vascular anomalies in a young girl is described. The patient was previously operated for ureteropelvic junction obstruction at the age of two. Clinic and radiographic and pathologic findings are discussed and the literature is reviewed. Copyright 2004 S. Karger AG, Basel