Obstruction is one of the most important abnormalities of the urinary tract， since it eventually leads to decompensation of the muscular conduits and reservoirs， back pressure， and atrophy of renal parenchyma.
Obstruction is one of the most important abnormalities of the urinary tract， since it eventually leads to decompensation of the muscular conduits and reservoirs， back pressure， and atrophy of renal parenchyma.
梗阻是泌尿道最重要的异常之一，因其最终使肌性管道及其容器失去代偿能力，发生反压及肾实质萎缩。