Bilateral hydronephrosis
Alternate Names : Hydronephrosis - bilateral
Definition
Bilateral hydronephrosis is the enlargement (distention) of the urine collecting structures and pelvis of both kidneys. Bilateral means both sides. See also: Unilateral hydronephrosis
Overview, Causes, & Risk Factors
Bilateral hydronephrosis occurs when urine is unable to drain from the kidney down the ureters into the bladder. Hydronephrosis is not itself a disease, but rather a physical result of whatever disease is keeping urine from draining out of the kidneys, ureters, and bladder. Disorders associated with bilateral hydronephrosis include:
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