Bilateral hydronephrosis

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Female urinary tract

Male urinary tract

Hydronephrosis - bilateral

Signs of hydronephrosis are generally seen during pregnancy ultrasound studies. There are no symptoms in the fetus.

In the newborn, any urinary tract infection is reason to suspect some type of obstructive problem in the kidney. An older child who gets repeat urinary tract infections should be evaluated for possible obstruction.

Urinary tract obstruction usually has no other symptoms beyond an increased number of urinary tract infections.

Bilateral hydronephrosis may be seen on:

• CT scan of the abdomen or kidneys
• IVP
• Pregnancy (fetal) ultrasound
• Renal scan
• Ultrasound of the abdomen or kidneys

Review Date: 03/17/2011
Reviewed By: Linda J. Vorvick, MD, Medical Director, MEDEX Northwest Division of Physician Assistant Studies, University of Washington, School of Medicine; Louis S. Liou, MD, PhD, Chief of Urology, Cambridge Health Alliance, Visiting Assistant Professor of Surgery, Harvard Medical School. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

A.D.A.M., Inc. is accredited by URAC, also known as the American Accreditation HealthCare Commission (www.urac.org).

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