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目的评价螺旋CT对原发性膀胱移行细胞癌(TCC)分期的准确性。方法对2000年9月-2009年9月诊治的73例原发性TCC患者,手术前行螺旋CT临床分期与手术后病理分期进行比较。结果 TCC患者手术前螺旋CT临床分期与手术后病理分期相符率为90.5%。7例分期不符的患者中,4例螺旋CT分期低于病理分期,3例高于病理分期。结论螺旋CT对TCC的手术前临床分期较准确;螺旋CT分期误差产生的主要原因是不能确定肿大的淋巴结是否是癌转移。
Objective To evaluate the accuracy of spiral CT in the staging of primary transitional cell carcinoma of bladder (TCC). Methods Seventy-three patients with primary TCC diagnosed and treated from September 2000 to September 2009 were retrospectively analyzed. The clinical staging and postoperative pathological staging of preoperative spiral CT were compared. Results The preoperative spiral CT clinical staging and postoperative pathological staging of TCC patients were 90.5%. Among the 7 patients with staging discrepancy, the spiral CT staging of 4 cases was lower than the pathological stage and 3 cases higher than the pathological staging. Conclusion The preoperative clinical stage of TCC by spiral CT is more accurate. The main reason of spiral CT staging error is that it is not possible to determine whether the enlarged lymph nodes are cancer metastasis.