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目的评估磁共振尿路造影 ( MRU)对输尿管移行细胞癌的诊断价值。方法采用快速自旋回波 ( FSE)重 T2 WI技术的磁共振尿路造影和其他影像学检查方法检测 15例输尿管移行细胞癌患者。结果输尿管中上段癌 11例 ,下段癌 4例 ,MRU共同征象 :梗阻端输尿管腔内有中等信号的肿块 ,呈结节状或分叶状 ,表现为充盈缺损征象 ,梗阻以上尿路扩张。结论 MRU是一种安全、无创的影像学检查方法 ,结合其他影像学检查方法 ,对输尿管移行细胞癌有很高的诊断价值。
Objective To evaluate the diagnostic value of magnetic resonance urography (MRU) in ureteral transitional cell carcinoma. Methods Fifteen cases of ureteric transitional cell carcinoma were examined by magnetic resonance urography with fast spin echo (FSE) and T2 WI technique and other imaging methods. Results 11 cases of upper ureteral carcinoma, 4 cases of lower cancer, MRU common signs: obstruction side of the ureter with a moderate signal mass, nodular or lobulated, showed signs of filling defects, obstruction above the dilatation of the urinary tract. Conclusion MRU is a safe and noninvasive imaging method. Combined with other imaging methods, MRU has high diagnostic value for ureteral transitional cell carcinoma.