The most important complication of urinary tract o truction is renal parenchymal atrophy as a result of back pre ure 尿路梗阻最重要的并发症为反压所致的肾实质萎缩。
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O truction is one of the most important a ormalities of the urinary tract , since it eventually leads to decompe ation of the muscular conduits and reservoirs , back pre ure , 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。
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Acquired urinary tract o truction may be due to inflammatory or traumatic urethral strictures , bladder outlet o truction ( benign prostatic hypertrophy or cancer of the prostate ) , vesical tumors , neuropathic bladder , extri ic ureteral compre ion ( tumor , retroperitoneal fibrosis , or enlarged lymph nodes ) , ureteral or pelvic stones , ureteral strictures , or ureteral or pelivic tumors 获得性尿路梗阻可能由于炎性或损伤性尿道狭窄,膀胱出口梗阻(良性前列腺肥大或前列腺癌) 、膀胱肿瘤、神经性膀胱疾病、外源性输尿管压迫(肿瘤、腹膜后纤维化或巨大的淋巴结) 、输尿管结石或肾盂结石、输尿管狭窄、及输尿管或肾盂肿瘤引起。