CT判断食管癌外侵程度与手术病理结果对比研究

目的：探讨CT判断食管癌外侵程度与手术病理结果的一致性。方法：经手术病理证实的食管癌患者226例，与术前CT资料进行对比分析。结果：CT判断食管癌外侵敏感性80．6％，特异性97．9％，阳性预测值86．2％，阴性预测值96．9％，准确性95．5％，假阴性6例，假阳性5例，食管壁厚度＞2cm时肿瘤外侵率达92．0％。结论：CT判断食管癌外侵基本可靠，对治疗方案的制订有价值，对手术的难度估计有帮助，术前CT检查是必要的。

Comparative Amalysis between CT Diagnosis in the Invasion by Esophageal Cancer and Pathological Results

Objective To explore relationship between CT diagnosis in the invasion by esophageal cancer and pathological results. Methods 226 cases of esophageal cancer were examined by CT and proved by operatively and pathologivally,The CT findings and pathological results were analysed. Results The sensibility,particularity,positive forecast ,negative forecast and accuracy of invasion by esophageal cancer in CT were 80.6%, 97.9%, 86.2%, 96,9% and 95.5%.False negative and positive were 6 cases and 5 cases,The rate of invasion by esophageal cancer was 92.0% as the esophageal wall is thicker than 2cm. Conclusions CT was very useful to diagnose the invasion by esophageal cancer and to select the befitting treatment methods, and to forecast the difficulty of the operation, so the CT examination was necessary before the surgery of esophagus cancer.