Chronic unilateral obstructive uropathy

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Chronic unilateral obstructive uropathy

Definition

Chronic unilateral obstructive uropathy is a condition in which there is long-term blockage of one of the tubes (ureters) that drains urine from the kidneys.

Alternative Names

Ureteral obstruction - chronic; Obstructive uropathy - unilateral - chronic

Causes

Unilateral obstructive uropathy usually occurs when ureteral or kidney stones block the flow of urine. Urine backs up and causes kidney swelling (hydronephrosis).

Risk factors for unilateral obstructive uropathy include:

Kidney stones
Tumors in surrounding structures such as uterus, cervix, or lymph nodes
Ureteral stones and tumors

Chronic unilateral obstructive uropathy occurs in approximately 5 out of every 1,000 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; 2004:741-742.


Kidney anatomy


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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