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Related Experiment Video

Updated: Mar 18, 2026

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Transanal endoscopic surgery: past, present and future.

Kai J Leong1, John Evans2, Michael M Davies3

  • 1Specialty Registrar in the Department of Colorectal Surgery, University Hospitals of Coventry and Warwickshire NHS Trust, Coventry CV2 2DX.

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Transanal endoscopic surgery offers a safe method for removing rectal lesions through the anus. This review covers its history, techniques, and use for benign polyps, also exploring future applications in rectal cancer and inflammatory bowel disease.

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Area of Science:

  • Gastroenterology
  • Surgical Oncology
  • Colorectal Surgery

Background:

  • Transanal endoscopic surgery (TES) is a minimally invasive technique for rectal lesion removal.
  • It provides magnified visualization and precise dissection of rectal pathology.
  • Established for decades, TES has evolved significantly in its technical application.

Observation:

  • This review examines the historical development and current techniques of TES.
  • It assesses the evidence supporting TES for benign rectal polyps.
  • The article also considers the potential of TES in managing rectal cancer and inflammatory bowel disease.

Findings:

  • TES is a safe and effective approach for removing benign rectal polyps.
  • Evidence supports its role in achieving complete resection with low morbidity.
  • Current data suggests TES is a valuable tool in the colorectal surgeon's armamentarium.

Implications:

  • TES offers a less invasive alternative to traditional open or laparoscopic rectal surgery for select conditions.
  • Expanding indications for TES may improve patient outcomes and reduce healthcare costs.
  • Further research is warranted to define its optimal role in complex cases like rectal cancer and IBD.