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. See also:
Alternative Names:
Ureteral obstruction - chronic; Obstructive uropathy - unilateral - chronic
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.
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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