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Related Experiment Video

Updated: Jun 3, 2026

Clinical Application of Single-Surgeon, Three-Port, Laparoscopic Resection for Colorectal Cancer with Natural Orifice Specimen Extraction

Clinical Application of Single-Surgeon, Three-Port, Laparoscopic Resection for Colorectal Cancer with Natural Orifice Specimen Extraction

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Pure laparoscopic sigmoidectomy.

Satoru Takayama¹, Hiroki Takahashi, Hiromitsu Takeyama

¹Department of Gastroenterological Surgery, Nagoya City University Graduate School of Medical Sciences, Nagoya, Aichi, Japan. takasato@med.nagoya-cu.ac.jp

Surgical Laparoscopy, Endoscopy & Percutaneous Techniques

|April 8, 2011

Summary

This summary is machine-generated.

This study demonstrates a pure laparoscopic sigmoidectomy with transanal specimen extraction, a minimally invasive technique. This approach reduces operative invasion and enhances the feasibility of laparoscopic colectomy.

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Surgical Robot-Assisted Transanal Specimen Extraction Radical Sigmoidectomy Without an Auxiliary Abdominal Incision

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Published on: June 13, 2025

Area of Science:

Colorectal Surgery
Minimally Invasive Surgery

Background:

Laparoscopic colectomy is increasingly common globally.
Conventional laparoscopic colectomy requires a significant skin incision for specimen removal.
Minimizing operative invasion is a key goal in modern surgical techniques.

Observation:

A case of a large sigmoid colon adenoma was treated with pure laparoscopic sigmoidectomy.
The resected specimen was extracted transanally, utilizing a natural orifice.
Intracorporeal anastomosis was successfully performed using a circular stapling device.

Findings:

The patient experienced only minor numbness in the right upper extremity post-operatively.
No other complications were noted, and the patient was discharged.
Transanal specimen extraction in laparoscopic sigmoidectomy is feasible and safe.

Implications:

This technique minimizes operative invasion by extracting specimens through a natural orifice.
Transanal specimen extraction can increase the adoption and utility of laparoscopic colectomy.
Further research into natural orifice specimen extraction in colectomy is warranted.