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目的：探讨肝外胆管癌的诊断和治疗技术。方法：回顾性分析了２４ 年间沂蒙山区４ 所市直医院共收治的８４ 例肝外胆管癌的临床资料。结果：早年误诊率高达７０ ．２４ ％ ，近年来由于 Ｂ 超、 Ｃ Ｔ 等诊断技术的提高，术前确诊率明显提高。手术切除率由１９９０ 年前的２４ ．４ ％ 上升到４０ ．４８ ％ ；姑息性手术对延长病人的生存时间，提高其生活质量有肯定的临床价值。结论：临床医师应提高对本病的认识，提高警惕，对可疑病人要实行早期检查、早诊断，尽早手术，努力提高手术切除率，对不能切除的病人，也应积极采取姑息性手术，以延长病人的生存时间，提高其生活质量。
Objective: To investigate the diagnosis and treatment of extrahepatic cholangiocarcinoma. Methods: The clinical data of 84 cases of extrahepatic cholangiocarcinoma treated at 4 municipal hospitals in Yimeng Mountain in 24 years were retrospectively analyzed. Results: The misdiagnosis rate was as high as 70 in the early years. 24%, in recent years due to the improvement of B-ultrasound, CT and other diagnostic techniques, the preoperative diagnosis rate has increased significantly. The surgical resection rate was 24 years before 1990. 4 % rose to 40. 48%; Palliative surgery has positive clinical value for prolonging the patient’s survival time and improving their quality of life. Conclusion: Clinicians should improve their understanding of this disease and increase vigilance. Early detection and early diagnosis should be carried out for suspicious patients. Early surgery should be done to increase the rate of surgical resection. For those patients who cannot be removed, palliative surgery should be actively taken. Extend the patient’s survival time and improve their quality of life.