提肛肌外腹会阴联合切除术在低位直肠癌治疗中的初步应用

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外科手术新术式

文章编号:1005-2208(2012)06-0456-03

提肛肌外腹会阴联合切除术在低位直肠癌

治疗中的初步应用

叶颖江,申占龙,曹键,梁斌,杨晓东,尹慕军,谢启伟,郭鹏,姜可伟,王杉

【摘要】目的探讨经提肛肌外腹会阴联合切除术(extralevator abdominoperineal excision,ELAPE)在低位直肠癌手术中的初步应用结果。方法回顾性分析2011年9月至2012年4月北京大学人民医院胃肠外科7例接受ELAPE的低位直肠癌病人的临床资料。结果7例病人平均手术时间280min,平均出血量150mL,术中未发生医源性肠管穿孔,切除标本均无“外科腰”,术后会阴切口延迟愈合1例,肠梗阻1例。结论ELAPE治疗低位直肠癌安全可行,可降低术中穿孔发生率、可能降低环周切缘阳性率,短期随访预后良好,有望成为治疗进展期低位直肠癌的推荐术式。

【关键词】经提肛肌外腹会阴联合切除术;低位直肠癌

中图分类号:R6文献标志码:A

Application of extralevator abdominoperineal excision in the surgical treatment of low rectal cancer YE Ying-jiang,SHEN Zhan-long,CAO Jian,et al.Department of Gastroenterological Surgery,Peking University People’s Hospital,Beijing100044,China

Corresponding author:WANG Shan,E-mail:shwang60@

Abstract Objective To explore the preliminary application result of extralevator abdominoperineal excision (ELAPE)for low rectal cancer.Methods The clinical pathological factors of seven patients with low rectal cancer performed ELAPE from September2011to April2012in Department of Gastroenterological Surgery,Peking University People’s Hospital were analyzed retrospectively.Results The mean operation time was280minutes.The mean

bleeding amount was150mL.No iatrogenic intestinal perforation was found in operation.All specimens were proved circumferential resection margin(CRM)without“surgical waist”.One patient with delayed union of perineal incision was healed uneventfully.Postoperative intestinal obstruction was occurred in one patient.Conclusion ELAPE is a safe and feasible surgical approach of low rectal cancer.ELAPE might reduce the incidence of positive CRM and intestinal perforation and has a better prognosis than conventional abdominoperineal resection(APR).It might become a recommended surgical approach for low rectal cancer in the future.

Keywords extralevator abdominoperineal excision;low rectal cancer

全直肠系膜切除(TME)显著改善了直肠癌病人的预后。但许多研究发现直肠癌腹会阴联合切除术(abdomino-perineal resection,APR)的肿瘤学预后明显差于直肠癌前切除术(anterior resection,AR)。环周切缘(circumferential re-section margin,CRM)阳性和术中肠管穿孔(intraoperative perforation,IOP)是APR术后预后差的主要原因。近年来,欧洲外科医生提出一种新术式—提肛肌外腹会阴联合切除术(extralevator abdominoperineal excision,ELAPE),北京大学人民医院胃肠外科2011年9月至2012年4月共行ELAPE治疗低位直肠癌7例,本文通过回顾性分析,探讨低位直肠癌病人行ELAPE的安全性、可行性。报告如下。1临床资料

1.1一般资料本组男性6例,女性1例。年龄26~60岁,平均(46.0±11.9)岁。其中1例合并糖尿病。术前所有病人均行结肠镜检查明确诊断,肿瘤距肛缘距离为2~5(

2.8±1.1)cm。盆腔MRI和上腹部CT检查行术前TNM分期:I期3例,Ⅱ期1例,Ⅲ期1例,Ⅳ期2例。其中术前T2分期3例,T3分期3例,T4分期1例。术前发现远处转移2例(1例为肝脏多发转移,1例为腹腔、腹壁下及腹股沟区多发淋巴结转移)。2例术前接受新辅助放化疗,2例拒绝术前放化疗。7例病人均按ELAPE原则切除盆腔和会阴部分,为减轻直肠原发肿瘤进展带来的局部症状,对Ⅳ期病人也施行了会阴部ELAPE。术后除1例TNM分期I期病人未接受化疗外,其余病人均接受化疗或放化疗。6例为开腹手术,1

作者单位:北京大学人民医院胃肠外科,北京100044通讯作者:王杉,E-mail:shwang60@

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