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探讨原发性十二指肠恶性肿瘤诊断和外科治疗的方法。方法总结1991～1996年间经手术和病理证实的原发性十二指肠恶性肿瘤17例资料。结果从出现症状到获得诊治平均8个月．8例行根治性手术或肿瘤切除术，存活6个月～6年；7例行短路手术，5例术后2～8个月死亡，2例失访；2例末手术，均于6个月内死亡。结论原发性十二指肠恶性肿瘤发病率低，易误诊，应力争早期诊断，争取手术切除。
To investigate the diagnosis and surgical treatment of primary duodenal malignancy. Methods Data from 17 cases of primary duodenal malignancies confirmed by surgery and pathology from 1991 to 1996 were summarized. The results averaged 8 months from symptom onset to diagnosis and treatment. 8 patients underwent radical surgery or tumor resection and survived for 6 months to 6 years; 7 patients underwent short-circuit surgery, 5 patients died after 2 to 8 months, and 2 patients lost their follow-up; 2 patients underwent surgery, all in 6 cases. Died in the month. Conclusions The incidence of primary duodenal malignancy is low, and it is often misdiagnosed. It is necessary to strive for early diagnosis and strive for surgical resection.