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目的 探讨大肠癌淋巴结转移规律 ,指导手术根治范围。方法 根据 94例行D3 式根治术的病例 ,分析淋巴结转移情况。结果 大肠癌淋巴结转移与患者性别、年龄、肿瘤大小无明显关系 ,与肿瘤的部位、浸润深度及分化程度有关。直肠癌淋巴结转移高于结肠癌。T3 ～T4淋巴结转移率及转移度显著高于T1～T2 (P <0 .0 5 )。低分化肿瘤的淋巴结转移率和转移度高于高分化肿瘤 (P <0 .0 5 )。结论 大肠癌淋巴结转移与肿瘤浸润肠壁的深度、细胞分化程度及肿瘤的部位有关 ,手术宜行D3 式廓清术
Objective To investigate the rule of lymph node metastasis in colorectal cancer and guide the radical cure. Methods According to the 94 patients undergoing radical operation of D3, the lymph node metastasis was analyzed. Results There was no significant correlation between lymph node metastasis and sex, age and tumor size in colorectal cancer, which was related to tumor location, depth of invasion and differentiation degree. Rectal cancer lymph node metastasis than colon cancer. T3 ~ T4 lymph node metastasis rate and metastasis was significantly higher than T1 ~ T2 (P <0.05). Poorly differentiated tumors had higher rates of lymph node metastasis and metastasis than well-differentiated tumors (P <0.05). Conclusion The lymph node metastasis of colorectal cancer is related to the depth of tumor infiltrating intestinal wall, the degree of cell differentiation and the location of the tumor. The operation should be performed in D3