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目的 通过对肾盂输尿管连接部 (PUJ)梗阻的X线表现与病因分析 ,提高X线检查对PUJ梗阻的病因诊断。方法 本组 2 2例经静脉尿路造影 (IVU) ,15例行逆行尿路造影 (RGU ) ,6例经皮肾穿造影。结果 PUJ狭窄 12例 ,迷走血管 4例 ,纤维束带3例 ,输尿管高位附着 2例 ,输尿管瓣膜 1例 ,胎生残留结构 1例。全部病例经手术证实。结论 IVU、RGU和经皮肾穿造影为最常用和最有效的诊断方法。对部分PUJ梗阻可作出病因诊断。
Objective To evaluate the etiological diagnosis of PUJ obstruction by analyzing the X-ray manifestations and causes of PUJ obstruction. Methods The group of 22 cases of intravenous urography (IVU), 15 cases of retrograde urography (RGU), 6 cases of percutaneous renal perfusion imaging. Results There were 12 cases of PUJ stenosis, 4 cases of vagus vascularity, 3 cases of fibrous band, 2 cases of high ureteral attachment, 1 case of ureteral valve and 1 case of residual fetal structure. All cases confirmed by surgery. Conclusion IVU, RGU and percutaneous renal allograft imaging are the most common and effective diagnostic methods. Some PUJ obstruction can make etiological diagnosis.