Bilateral hydronephrosis
Definition
Bilateral hydronephrosis is the enlargement (distention) of the pelvis and urine collecting structures of both kidneys. Bilateral means both sides.
See also: Unilateral hydronephrosis
Alternative Names
Hydronephrosis - bilateralCauses
Bilateral hydronephrosis oocurs 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:
- Acute bilateral obstructive uropathy
- Chronic bilateral obstructive uropathy
- Vesicoureteric reflux
- Uteropelvic junction obstruction
- Posterior ureteral valves
- Neurogenic bladder
- Bladder outlet obstruction
- Prune belly syndrome
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