Unilateral hydronephrosis

Definition:

Unilateral hydronephrosis occurs when a single kidney becomes distended, or swollen, due to a backup of urine. (When both kidneys are involved, the condition is called bilateral hydronephrosis.)



Alternative Names:
Hydronephrosis

Causes, incidence, and risk factors:

Hydronephrosis is a condition that occurs with a disease and is not a disease itself. The symptoms, treatment, and prognosis for unilateral hydronephrosis are those of the associated disorder.

Conditions that are often associated with unilateral hydronephrosis include the following:

Unilateral hydronephrosis occurs in approximately 1 in 100 people.




Review Date: 5/25/2002
Reviewed By: Young Kang, M.D., Department of Urology, Columbia University College of Physicians and Surgeons, New York, NY. Review provided by VeriMed Healthcare Network.

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