摘要:目的:探讨磁共振水成像(Magnetic resistance urography,MRU)在肾移植术后对原自体无功能性肾、输尿管移行细胞癌的诊断价值。方法:对21例肾移植术后临床诊断为肾盂或输尿管移行细胞癌患者进行MRU检查,同时行逆行肾盂输尿管造影;11例行输尿管镜及病理学检查,并行MRU诊断。16例行经尿道输尿管口环形切开、腰部一处切口的肾输尿管全长切除术。结果:术前21例MRU检查均提示肾盂、输尿管有占位性病变,11例配合输尿管镜得出组织学诊断,术前诊断与手术结果一致。21例中,16例采用肾输尿管全长切除术均获得成功。结论:MRU对肾移植术后IVU不显影的原无功能性肾、输尿管移行细胞癌具有重要的临床诊断价值;输尿管口切除、肾输尿管全长切除术对移植肾同侧原肾发生肾盂输尿管癌一样有效。
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