Anal sphincter complex preservation

Research output: Chapter in Book/Report/Conference proceedingChapterResearchpeer-review

Abstract

To save the sphincter, understanding the anatomy of anal sphincter complex is essential. The anal canal extends from the level of the levator ani muscle to the anal verge. The muscularis propria of the rectum is consisted of the inner circular and outer longitudinal smooth muscle layer. The internal and external sphincters together can maintain anal continence. Intersphincteric groove lies between the subcutaneous external anal sphincter and the internal anal sphincter. This is one of the landmarks for intersphincteric resection. In the middle and low rectal cancer, total mesorectal excision should be performed. For distal rectal cancer, a 1-cm distal margin may be acceptable. To avoid positive circumferential resection margin, the surgeons should follow the principles of total mesorectal excision and perform en bloc resection of contiguous tissues when clinically indicated.

Original languageEnglish
Title of host publicationSurgical Treatment of Colorectal Cancer
Subtitle of host publicationAsian Perspectives on Optimization and Standardization
PublisherSpringer Singapore
Pages55-60
Number of pages6
ISBN (Electronic)9789811051432
ISBN (Print)9789811051425
DOIs
StatePublished - 2 May 2018

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Anal Canal
Rectal Neoplasms
Rectum
Smooth Muscle
Anatomy
Muscles

Keywords

  • Anal canal
  • Anal sphincter complex
  • Anatomy
  • Peritoneal reflection
  • Rectum
  • Resection margin

Cite this

Park, J. W., & Jeong, S-Y. (2018). Anal sphincter complex preservation. In Surgical Treatment of Colorectal Cancer: Asian Perspectives on Optimization and Standardization (pp. 55-60). Springer Singapore. https://doi.org/10.1007/978-981-10-5143-2_6
Park, Ji Won ; Jeong, Seung-Yong. / Anal sphincter complex preservation. Surgical Treatment of Colorectal Cancer: Asian Perspectives on Optimization and Standardization. Springer Singapore, 2018. pp. 55-60
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Park, JW & Jeong, S-Y 2018, Anal sphincter complex preservation. in Surgical Treatment of Colorectal Cancer: Asian Perspectives on Optimization and Standardization. Springer Singapore, pp. 55-60. https://doi.org/10.1007/978-981-10-5143-2_6

Anal sphincter complex preservation. / Park, Ji Won; Jeong, Seung-Yong.

Surgical Treatment of Colorectal Cancer: Asian Perspectives on Optimization and Standardization. Springer Singapore, 2018. p. 55-60.

Research output: Chapter in Book/Report/Conference proceedingChapterResearchpeer-review

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Park JW, Jeong S-Y. Anal sphincter complex preservation. In Surgical Treatment of Colorectal Cancer: Asian Perspectives on Optimization and Standardization. Springer Singapore. 2018. p. 55-60 https://doi.org/10.1007/978-981-10-5143-2_6