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逆流性肾病(Reflux Nephropathy)系指由于膀胱、输尿管逆流,输尿管梗阻及移植肾慢性排斥等原因所引起的尿液逆流,即尿从肾小管漏出,沉积在肾内静脉和间质内,造成不同程度血尿症状,最终形成疤痕的一种特殊病理情况。肾小管内尿液向外流溢的原因是肾盏内压力升高。逆流途径:(1)肾盏-静脉逆流;(2)尿液沿集合管返流。后者决定于肾乳头管开口本身的形态。尿液外溢的后果:(1)肾
Reflux Nephropathy refers to the reflux of urine caused by urinary bladder, ureter reflux, ureteral obstruction and chronic rejection of renal allograft, ie, leakage of urine from the renal tubules, deposition in the renal veins and interstitium, resulting in differences Degree of hematuria symptoms, the final formation of a special scar pathology. Tubular urine overflow due to the internal pressure within the calyx. Counter-current approach: (1) calyx - venous countercurrent; (2) urine reflux along the collecting tube. The latter depends on the morphology of the renal papillary tube itself. Urine overflow consequences: (1) kidney