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Related Experiment Video

Updated: Apr 11, 2026

Robot-assisted Total Mesorectal Excision and Lateral Pelvic Lymph Node Dissection for Locally Advanced Middle-low Rectal Cancer
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Robot-assisted intersphincteric resection for rectal submucosal tumour.

Jin-Lin Du1, Chia-Che Chen2, Hsiao-Mei Chao3

  • 1Department of Colorectal Surgery, Zhejiang University Jinhua Hospital, Jinhua, Zhejiang, People's Republic of China.

The International Journal of Medical Robotics + Computer Assisted Surgery : MRCAS
|May 27, 2015
PubMed
Summary

Robot-assisted surgery for rare rectal submucosal tumors is safe and feasible. This robotic approach for intersphincteric resection (ISR) preserves bowel continuity, avoiding colostomy.

Keywords:
gastrointestinal tumourintersphincteric resectionneuroendocrine tumourrectumrobotic surgerysubmucosal tumour

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Area of Science:

  • Surgical Oncology
  • Minimally Invasive Surgery
  • Gastrointestinal Surgery

Background:

  • Rectal submucosal tumors are uncommon clinical entities.
  • Evaluating novel surgical approaches is crucial for rare conditions.

Purpose of the Study:

  • To assess the safety and feasibility of robot-assisted rectal surgery.
  • To analyze outcomes of robot-assisted intersphincteric resection (ISR) for rectal submucosal tumors.

Main Methods:

  • Retrospective analysis of patients undergoing robot-assisted ISR.
  • Evaluation of clinical outcomes, operative time, hospital stay, and pathological results.

Main Results:

  • Six patients with gastrointestinal or neuroendocrine tumors were included.
  • Mean operative time was 369.2 minutes with minimal blood loss (66.7 ml).
  • No intraoperative complications or conversions; all patients achieved clear resection margins and preserved bowel continuity.

Conclusions:

  • Robot-assisted surgery for rectal submucosal tumors is safe and feasible.
  • Intersphincteric resection (ISR) using robotic assistance successfully restores bowel continuity, negating the need for colostomy.
  • The procedure demonstrated no associated morbidity or mortality.