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目的探讨经内外括约肌间切除术(intersphincteric resection,ISR)治疗超低位直肠癌的应用价值。方法2005年3月至2007年3月四川省人民医院普外三科对23例病灶下缘距离齿状线≤2cm的超低位直肠癌进行术前评估,行ISR,其中5例进展期直肠癌术前行新辅助化疗。结果全组无手术死亡,平均随访24个月,均未发现局部复发,1例出现远处肝转移,所有病人术后6个月至1年肛门功能恢复满意。结论ISR是一种可选择的治疗超低位直肠癌的根治性保肛方法。
Objective To investigate the value of intersphincteric resection (ISR) in the treatment of ultra-low rectal cancer. Methods From March 2005 to March 2007, 23 patients with ultra-low rectal cancer with odontoid lineage ≤2cm underwent preoperative evaluation of 23 cases of lower margin of rectal cancer from Sichuan Provincial People’s Hospital from March 2005 to March 2007, and 5 cases of advanced rectal cancer Preoperative neoadjuvant chemotherapy. Results All the patients were operated without surgery, with an average follow-up of 24 months. No local recurrence was found, distant liver metastasis was found in 1 case, and anal function recovery was satisfactory in all patients from 6 months to 1 year after operation. Conclusion ISR is an optional method for the treatment of ultralow rectal cancer.