目的：探讨肝门区胆管癌的螺旋CT诊断、分类和选择不同CT检查技术的诊断价值。
Objective: To assess the spiral ct diagnosis, classification of hilar cholangiocarcinoma and the diagnostic advantage with different ct technical parameters.
胆管内或肝门区肿块、肝脏直接侵犯征象诊断胆管癌的灵敏度为100%，阳性预测值分别为20%和25%。
The sensitivity of mass on or in biliary duct or hepatic hilar area and liver invading of tumors was 100% but the positive predictive value were 20% and 25%, respectively.
胆管内或肝门区肿块、肝脏直接侵犯征象诊断胆管癌的灵敏度为100%，阳性预测值分别为20%和25%。
The sensitivity of mass on or in biliary duct or hepatic hilar area and liver invading of tumors was 100% but the positive predictive value were 20% and 25%, respectively.
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