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. 2005 Mar;241(3):465-9.
doi: 10.1097/01.sla.0000154551.06768.e1.

Sphincter-saving resection for all rectal carcinomas: the end of the 2-cm distal rule

Eric Rullier  1 , Christophe Laurent, Frédéric Bretagnol, Anne Rullier, Véronique Vendrely, Frank Zerbib
Affiliations

Sphincter-saving resection for all rectal carcinomas: the end of the 2-cm distal rule

Eric Rullier et al. Ann Surg. 2005 Mar.

Abstract

Objective: To assess oncologic outcome of patients treated by conservative radical surgery for tumors below 5 cm from the anal verge.

Summary background data: Standard surgical treatment of low rectal cancer below 5 cm from the anal verge is abdominoperineal resection.

Methods: From 1990 to 2003, patients with a nonfixed rectal carcinoma at 4.5 cm or less from the anal verge and without external sphincter infiltration underwent conservative surgery. Surgery included total mesorectal excision with intersphincteric resection, that is, removal of the internal sphincter, to achieve adequate distal margin. Patients with T3 disease or internal sphincter infiltration received preoperative radiotherapy.

Results: Ninety-two patients with a tumor at 3 (range 1.5-4.5) cm from the anal verge underwent conservative surgery. There was no mortality and morbidity was 27%. The rate of complete microscopic resection (R0) was 89%, with 98% negative distal margin and 89% negative circumferential margin. In 58 patients with a follow-up of more than 24 months, the rate of local recurrence was 2% and the 5-year overall and disease-free survival were 81% and 70%, respectively.

Conclusions: The technique of intersphincteric resection permits us to achieve conservative surgery in patients with a tumor close to or in the anal canal without compromising local control and survival. Tumor distance from the anal verge is no longer a limit for sphincter-saving resection.

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Figures

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FIGURE 1. Technique of intersphincteric resection. The tumor reaches the anal ring and is lying close to the dentate line. Transanal division of the internal anal sphincter connects with pelvic dissection, allowing adequate distal margin. IS, internal sphincter; ES, external sphincter; PR, puborectalis.
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FIGURE 2. Kaplan-Meier survival after intersphincteric resection for low rectal cancer
See this image and copyright information in PMC

Comment in

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