Ureteral obstruction - chronic; Obstructive uropathy - unilateral - chronic
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:
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:
Chronic unilateral obstructive uropathy occurs in approximately 5 out of every 1,000 people.
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.