Diseases Bilateral hydronephrosis : Overview, Causes, & Risk Factors by March 1, 2011March 1, 2011 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… 0 FacebookTwitterGoogle +Pinterest
