Bladder outlet obstruction, either functionally or structurally, could lead to bladder trabeculation, vesicoureteric reflux, hydronephrosis and, eventually, to renal parenchymal damage.

• 摘要膀胱出口阻塞，不论是功能性或是结构性，均会造成膀胱结梁，膀胱输尿管回流，水肾，以致最后肾实质损伤。