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［目的］探讨影响横结肠癌诊治和预后的因素。［方法］回顾分析３９例横结肠癌的临床表现及治疗结果。［结果］横结肠癌易误诊、预后差。本组术前诊断正确率为４６．３％，５年生存率２９．６％。扩大手术切除范围和腹腔内化疗能改善预后。［结论］横结肠癌极易误诊和被不适当治疗。早期诊断、合理手术及术后早期腹腔内化疗是提高生存率的关键。
[Objective] To explore the factors affecting the diagnosis, treatment and prognosis of transverse colon cancer. [Methods] The clinical manifestations and treatment results of 39 cases of transverse colon cancer were retrospectively analyzed. [Results] Transverse colon cancer was often misdiagnosed and had poor prognosis. The accuracy of preoperative diagnosis in this group was 46.3%, and the 5-year survival rate was 29.6%. Expanding the range of surgical resection and intraperitoneal chemotherapy can improve the prognosis. [Conclusion] Transverse colon cancer is easily misdiagnosed and inappropriately treated. Early diagnosis, reasonable surgery, and early postoperative intraperitoneal chemotherapy are key to improving survival.