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Volume 9, Pages 606-614
Review Article

Prenatal and Postnatal Management of Hydronephrosis

1Glickman Urological and Kidney Institute, Cleveland Clinic, Cleveland, OH, USA
2Glickman Urological and Kidney Institute, Cleveland Clinic Children's Hospital, Cleveland Clinic Lerner College of Medicine of Case Western Reserve University, Cleveland, OH, USA

Received 30 October 2007; Revised 24 June 2009; Accepted 25 June 2009

Academic Editor: Steve J. Hodges

Copyright © 2009 Pravin K. Rao and Jeffrey S. Palmer.


The majority of pregnant women in the U.S. undergo prenatal ultrasonography and approximately 0.5% of these examinations will detect fetal malformations. Up to one-half of these abnormalities include the genitourinary system and the most common urological finding is hydronephrosis. Some conditions associated with prenatal hydronephrosis portend a poor prognosis, while others can follow a fairly benign course. This review focuses on the definition and prenatal assessment of hydronephrosis, fetal intervention, and postnatal management.