unilateral obstructive uropathy

unilateral obstructive uropathy

Urology A disorder of blocked urine flow from the ureter of 1 kidney, resulting in backup of urine, distention of renal pelvis and calyces–hydronephrosis, and renal injury; abrupt blockage of a ureter causes acute UOU; progressive blockage causes chronic UOU Etiology Acute UOU–stones, trauma, congenital anatomic defects; chronic UOU–stones, local tumors or tumors from adjacent structures
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