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内外括约肌间切除术(intersphincteric resection,ISR)可替代经腹会阴联合切除术(APR)治疗超低位直肠癌。Koyama M等对2000~2007年期间接受ISR的77例低位直肠癌患者的临床资料进行分析,并与同期行低位前切除术(LAR)和APR的患者进行比较,以评价ISR对低位直肠癌的疗效。结果显示,术后ISR组患者的5年生存率为76.4%,APR组为51.2%,LAR组为80.7%;ISR组术后发生局部复发者的比例为7.8%,APR组为12.1%,LAR组为11.7%;术后ISR组的平均每天
Internal and external intersphincteric resection (ISR) can replace transabdominal perineal resection (APR) in treating super-low rectal cancer. Koyama et al. Analyzed clinical data of 77 patients with low rectal cancer who underwent ISR from 2000 to 2007 and compared them to patients undergoing low-anterior resection (LAR) and APR during the same period to evaluate the effect of ISR on low rectal cancer Efficacy. The results showed that the 5-year survival rate was 76.4% in the ISR group, 51.2% in the APR group and 80.7% in the LAR group, 7.8% in the ISR group and 12.1% in the APR group, and LAR The group was 11.7%; the average daily postoperative ISR group