Unilateral hydronephrosis

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Unilateral hydronephrosis

Definition

Unilateral hydronephrosis is swelling of one kidney due to a backup of urine.

Alternative Names

Hydronephrosis

Causes

Hydronephrosis is a condition that occurs with a disease. It is not a disease itself. Conditions that are often associated with unilateral hydronephrosis include:

Acute unilateral obstructive uropathy
Chronic unilateral obstructive uropathy
Vesicoureteric reflux (backflow of urine from bladder to kidney)
Nephrolithiasis (kidney stones)
Hydronephrosis that occurs without a known cause during pregnancy

Unilateral hydronephrosis occurs in approximately 1 in 100 people.

References

Wein AJ. Campbell - Walsh Urology. 9th ed. St. Louis, Mo: WB Saunders; 2007.

Goldman L, Ausiello D. Cecil Textbook of Medicine, 22nd ed. Philadelphia, Pa: WB Saunders; 2004.


Female urinary tract


Male urinary tract

Review Date: 1/24/2008
Reviewed By: Marc A. Greenstein, D.O., F.A.C.O.S. Urologist, Somerset Medical Center in Somerville, NJ. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

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