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Efficacy of intersphincteric resection in the sphincter-preserving operation for ultra-lower rectal cancer
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- Author:
- No author available
- Journal Title:
- CHINESE JOURNAL OF GASTROINTESTINAL SURGERY
- Issue:
- 2
- DOI:
- 10.3760/cma.j.issn.1671-0274.2006.02.007
- Key Word:
- 直肠肿瘤;保肛手术;经肛门内外括约肌间切除
Abstract： 目的评价经肛门内外括约肌间切除直肠的超低位直肠癌保肛手术的临床疗效.方法总结31例低位直肠癌患者直肠全系膜切除术(TME)加经肛门内外括约肌间切除术的临床资料.结果31例患者肿瘤下缘距齿状线2 cm以内,有18例进展期直肠癌患者术前先进行放、化疗.腹部手术施行全直肠系膜切除,向下切断骶骨直肠韧带和部分肛提肌达肛门外括约肌环上缘,沿外括约肌环和肠壁(内括约肌)之间再向下分离1～2 cm.肛门手术组在癌灶下缘2 cm之齿状线下方垂直于肛管长轴切开内括约肌全层,然后沿肛门内、外括约肌环间隙向上游离,与腹部手术组会师.将近端结肠或结肠储袋与肛管或肛管-齿状线行端端吻合.全组无手术死亡;术后肛门功能恢复较好.平均随访12个月,29例患者无复发和转移;1例出现复发和转移,另1例癌胚抗原19.9,但未发现转移灶.结论经肛门内外括约肌间切除直肠的超低位直肠癌保肛手术可以达到良好的根治性,并保留较好的肛门功能,是一种可选择的根治性保肛手术方法.
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