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[Pathologic and functional anatomy basis of intersphincteric resection].

Y W Zang1, J B Xiang

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|October 21, 2019
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Summary

This study reviews anorectal anatomy to improve intersphincteric resection (ISR) for low rectal cancer. Better understanding of anatomy enhances surgical accuracy and patient outcomes.

Keywords:
Applied anatomyIntersphincteric resectionRectal neoplasms, low

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Area of Science:

  • Colorectal Surgery
  • Surgical Anatomy
  • Oncology

Background:

  • The anorectum's complex anatomy is crucial for intersphincteric resection (ISR) in low rectal cancer surgery.
  • Advancements in pelvic and minimally invasive surgery have improved understanding of ISR approaches and techniques.
  • Despite progress, a comprehensive understanding of anorectal anatomy remains incomplete.

Purpose of the Study:

  • To explore the detailed anatomy of the anal canal and surrounding structures relevant to ISR.
  • To enhance the accuracy of ISR by deepening the knowledge of surgical planes and anatomical landmarks.
  • To improve oncologic and functional outcomes for patients undergoing ISR for low rectal cancer.

Main Methods:

  • Literature review of relevant anatomical studies.
  • Analysis of clinical practice experiences in ISR.
  • Application of anatomical knowledge to surgical procedures.

Main Results:

  • Detailed anatomical review of key structures including fascia, muscles, ligaments, nerves, and spaces.
  • Identification of critical anatomical relationships for precise surgical dissection.
  • Understanding of how anatomical variations impact surgical strategy and outcomes.

Conclusions:

  • Further exploration of anorectal anatomy is essential for optimizing ISR.
  • Enhanced anatomical understanding can lead to improved surgical accuracy and better functional preservation.
  • This knowledge aims to elevate both oncologic control and functional results in ISR for rectal cancer.