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Area of Science:

  • Gastroenterology
  • Endoscopic Surgery
  • Laser Technology

Background:

  • Thulium laser is an emerging energy source in endourology, known for precise cutting, hemostasis, and minimal thermal injury.
  • Its advantages are driving adoption in urology and sparking interest in gastrointestinal endoscopy.
  • Thulium laser presents potential benefits for endoscopic submucosal dissection (ESD) over electrosurgical knives, including shallow penetration and effective coagulation.

Purpose of the Study:

  • To describe the use of thulium laser-assisted colorectal endoscopic submucosal dissection (ESD).
  • To evaluate the feasibility and potential benefits of thulium laser in colorectal ESD.

Main Methods:

  • A case report of a 68-year-old man with a 3.5-cm rectal polyp.
  • Thulium laser-assisted colorectal ESD involving submucosal injection, incision, and dissection.

Main Results:

  • En bloc resection of the rectal lesion was completed in 75 minutes.
  • No intraoperative or delayed adverse events were observed.
  • Final pathology confirmed a tubulovillous adenoma with clear margins.

Conclusions:

  • Thulium laser-assisted colorectal ESD is feasible and shows potential benefits.
  • The laser's precision, shallow depth, and coagulation properties make it a promising alternative to conventional electrosurgical knives.
  • Larger studies are needed to confirm safety and efficacy.