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目的 :探讨直肠癌经腹肛拖出切除术后排便功能恢复的程度和生存率。方法 :对接受此项手术的 44例病人临床病理和随访资料进行分析 ,并与同期其它保肛手术效果对比。结果 :肿瘤下缘距离齿状线的平均长度为 4.1cm,术后吻合口瘘发生率 4.5 % ,72 .7%的病人认为肛门功能恢复达到正常。平均随访 47个月 ,盆底和直肠肿瘤复发率 11.8%。结论 :虽经腹肛拖出切除术后肛门排便功能恢复正常率低于低位前切除术 (Dixon术 ) ,但复发率低 ,比前切除术更适宜于中下段直肠癌的保肛治疗。
Objective: To investigate the degree and survival rate of defecation function recovery after resection of rectal cancer. Methods: The clinical pathology and follow-up data of 44 patients undergoing this operation were analyzed and compared with other sphincter preserving operations in the same period. RESULTS: The average length of the dentate line from the lower edge of the tumor was 4.1 cm, and the incidence of postoperative anastomotic leakage was 4.5%. 72.7% of patients reported that the recovery of anal function was normal. After a mean follow-up of 47 months, the recurrence rate of pelvic and rectal tumors was 11.8%. Conclusion: Although the normal rate of recovery of anus defecation was lower after excision of abdominal anus than that of low-level anterior resection (Dixon), the recurrence rate was lower and it was more suitable for sphincter preserving rectal cancer than anterior resection.