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目的 探讨低前切除术 (LAR)与腹会阴联合切除术 (APR)治疗中低位直肠癌的远期疗效 ,保肛手术治疗中低位直肠癌的原则。 方法 回顾性分析 1994年 7月～ 2 0 0 0年 12月收治 2 93例中低位直肠癌的手术方式和随访资料。 结果 中低位直肠癌的手术方式中 ,LAR组与APR组患者在性别、年龄、肿瘤大小、Dukes分期、组织学类型、分化程度、手术时间、术后并发症、局部复发率、生存率上比较均无显著性差异。LAR组肿瘤下缘到齿状线平均距离为 (5 2 9± 2 6 1)cm ,APR组为 (2 6 7±1 81)cm(P <0 0 1)。 结论 在根治性切除的前提下 ,LAR组生存率并不比APR组低。低前切除术治疗中低位直肠癌疗效满意
Objective To investigate the long-term efficacy of low anterior resection (LAR) and abdominoperineal resection (APR) in the treatment of low rectal cancer, and the principle of sphincter preserving surgery for low rectal cancer. Methods Retrospective analysis was performed on the surgical methods and follow-up data of 2 93 cases of low rectal cancer from July 1994 to December 2000. RESULTS: In the surgical approach for middle and low rectal cancer, the LAR group and the APR group were compared in terms of gender, age, tumor size, Dukes stage, histological type, differentiation degree, operation time, postoperative complications, local recurrence rate, and survival rate. There were no significant differences. The average distance from the lower edge of the tumor to the dentate line was (5 2 9 ± 2 6 1) cm in the LAR group and (2 6 7 ± 1 81) cm in the APR group (P < 0 01). Conclusion Under the premise of curative resection, the survival rate of LAR group is not lower than that of APR group. Low anterior resection for the treatment of low-grade rectal cancer