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Chronic unilateral obstructive uropathy - Overview

Alternative Names

Ureteral obstruction - chronic; Obstructive uropathy - unilateral - chronic

Definition of Chronic unilateral obstructive uropathy:

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.

Causes, incidence, and risk factors:

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.

Kidney anatomy

Female urinary tract

Male urinary tract

Reviewed last on: 1/24/2008
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.

References

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

Goldman L, Ausiello D, et al. Cecil Textbook of Medicine, 22nd ed. Philadelphia, Pa: WB Saunders; 2004:741-742.

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