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目的:评价原发性输尿管癌的各种影像学诊断方法的价值。材料与方法:本院4例及复习文献54例经手术病理证实的原发性输尿管癌共58例,行膀胱镜检41例,静脉肾盂造影(IVP)44例,逆行肾盂造影44例,B超45例,经皮肾穿刺肾盂造影12例,CT及MRI3例。结果:膀胱镜检查表现为输尿管口肿物突出,阳性率为58%;IVP表现为肾积水或患肾不显影,阳性率为100%,但无特征性;逆行肾盂造影表现为输尿管充盈缺损及梗阻,阳性率为93%;B超表现与IVP相似;肾穿刺造影表现同逆行肾盂造影,阳性为100%;CT及MRI表现为输尿管局限性增粗或软组织肿块,阳性率CT为90%,MRI为100%。结论:逆行肾盂造影及肾穿刺造影为原发性输尿管癌影像诊断最有价值的方法,B超是较为理想的筛选方法,CT及MRI对肿瘤的分期有一定帮助
Objective: To evaluate the value of various imaging diagnostic methods for primary ureteral cancer. MATERIALS AND METHODS: A total of 58 primary ureteral cancers confirmed by surgery and pathology were reviewed in 4 patients and in 54 recurrent patients. 41 underwent cystoscopy, 44 under intravenous pyelography (IVP), 44 underwent retrograde pyelography, Ultra-45 cases, percutaneous renal biopsy in 12 cases, CT and MRI in 3 cases. Results: Cystoscopy showed prominent ureteral orifice, the positive rate was 58%; IVP showed hydronephrosis or renal development, the positive rate was 100%, but no characteristic; retrograde pyelography showed ureteral filling defect And obstruction, the positive rate was 93%; B ultrasound performance and IVP similar; renal puncture angiography with retrograde pyelography, positive for 100%; CT and MRI showed ureteral limitations thickening or soft tissue mass, the positive rate of CT was 90% , MRI was 100%. Conclusion: Retrograde pyelography and renal puncture angiography are the most valuable methods for the diagnosis of primary ureteral carcinoma. Ultrasonography is an ideal screening method. CT and MRI can help in the staging of tumors