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Related Concept Videos

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Related Experiment Video

Updated: Apr 20, 2026

Robot-assisted Total Mesorectal Excision and Lateral Pelvic Lymph Node Dissection for Locally Advanced Middle-low Rectal Cancer
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Surgical strategy for low rectal cancers.

F Dumont1, A Mariani1, D Elias1

  • 1Départment de chirurgie oncologique, institut Gustave-Roussy, 114, rue Edouard-Vaillant, 94805 Villejuif cedex, France.

Journal of Visceral Surgery
|December 3, 2014
PubMed
Summary

Surgical goals for lower rectal cancer include achieving curative margins and preserving function. Sphincter preservation techniques like intersphincteric resection offer good outcomes, while extralevator abdominoperineal resection necessitates a permanent colostomy.

Keywords:
CancerClinical updateIntersphincteric resectionLow rectumPerineal colostomy

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Area of Science:

  • Colorectal Surgery
  • Surgical Oncology
  • Gastroenterology

Background:

  • Lower rectal cancer surgery aims for oncologic clearance and functional preservation.
  • Sphincter preservation is a critical factor in therapeutic decisions.
  • Achieving tumor-free margins (>1mm) is essential for favorable outcomes.

Purpose of the Study:

  • To evaluate surgical techniques for lower rectal cancer focusing on margin status and functional outcomes.
  • To compare sphincter-preserving versus non-sphincter-preserving procedures.
  • To assess the impact of different surgical approaches on quality of life.

Main Methods:

  • Review of surgical procedures for lower rectal cancer, including intersphincteric resection and extralevator abdominoperineal resection.
  • Analysis of oncologic outcomes, specifically distal and circumferential margin involvement.
  • Evaluation of functional outcomes, including anal sphincter continence and colostomy status.

Main Results:

  • Intersphincteric resection achieves satisfactory oncologic outcomes with 5-11% circumferential margin involvement, preserving continence in about half of patients.
  • Extralevator abdominoperineal resection yields good oncologic results but requires a permanent colostomy.
  • Perineal colostomy may offer a better quality of life compared to abdominal colostomy.

Conclusions:

  • Surgical technique choice for lower rectal cancer balances oncologic control with functional preservation.
  • Sphincter-sparing procedures like intersphincteric resection are viable options when margins can be achieved.
  • Colostomy placement significantly impacts quality of life in patients undergoing non-sphincter-preserving resections.