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Related Experiment Videos

Function preservation in rectal cancer surgery.

Yoshihiro Moriya1

  • 1Colorectal Surgery Division, National Cancer Center Hospital, 5-1-1 Tsukiji, Chuo-ku, Tokyo, 104-0045, Japan. ymoriya@ncc.go.jp

International Journal of Clinical Oncology
|October 24, 2006
PubMed
Summary
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Rectal cancer surgery can cause significant urinary and sexual dysfunction, affecting 33-70% of patients. Future trials need protocols to analyze long-term functional outcomes after total mesorectal excision (TME).

Area of Science:

  • Oncology
  • Surgical Gastroenterology
  • Urology
  • Sexual Medicine

Background:

  • Total mesorectal excision (TME) aims to prevent dysfunction, but nerve identification challenges exist due to individual variations, obesity, and narrow pelvis.
  • Post-rectal surgery, urinary dysfunction rates range from 33% to 70%, with factors beyond nerve preservation influencing outcomes.
  • Male sexual dysfunction includes impotence (20-46%) and ejaculatory dysfunction (20-60%); female sexual function data is less understood.

Purpose of the Study:

  • To review recent findings on urinary, sexual, and defecation dysfunction following rectal cancer surgery.
  • To discuss critical questions for future research regarding functional outcomes.
  • To highlight the importance of surgeon-related factors in preserving function post-rectal cancer treatment.

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Main Methods:

  • Literature review of recent studies on functional outcomes after rectal cancer surgery.
  • Analysis of reported rates of urinary, sexual, and defecation dysfunction.
  • Discussion of challenges in nerve preservation and functional assessment.

Main Results:

  • High rates of urinary dysfunction (33-70%) and male sexual dysfunction (impotence 20-46%, ejaculatory issues 20-60%) are reported post-rectal surgery.
  • Adjuvant radiotherapy is associated with frequent urinary, sexual, and defecation dysfunction.
  • Significant knowledge gaps exist regarding female sexual function after rectal cancer treatment.

Conclusions:

  • Accurate total mesorectal excision (TME) is crucial but challenging, impacting functional outcomes.
  • Standardized protocols are essential for long-term functional outcome analysis in future clinical trials.
  • Surgeon expertise is paramount for both oncological control and functional preservation in rectal cancer management.