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Related Concept Videos

Endoscopic Procedures IV: Sigmoidoscopy and Laproscopy01:26

Endoscopic Procedures IV: Sigmoidoscopy and Laproscopy

Sigmoidoscopy and laparoscopy are distinct medical procedures that enable physicians to internally inspect different parts of the GI tract. Although they serve different purposes, each is essential for diagnosing and, in some cases, treating various medical conditions.
Sigmoidoscopy
Sigmoidoscopy is a diagnostic procedure that uses a flexible sigmoidoscope equipped with a light source and camera to examine the rectum and sigmoid colon. The procedure involves inserting the tube through the anus...
Endoscopic Procedures II: Colonoscopy01:25

Endoscopic Procedures II: Colonoscopy

The colon, or large intestine, is the final segment of the digestive system. Its primary functions include absorbing water and vitamins produced by gut bacteria and transforming waste from liquid to solid to form stool. In adults, the large intestine is approximately 5 feet long and consists of four main sections:
Endoscopic Procedures III: Video Capsule Endoscopy01:28

Endoscopic Procedures III: Video Capsule Endoscopy

Capsule endoscopy, or wireless or video capsule endoscopy, is a diagnostic procedure for examining the entire gastrointestinal tract. Patients swallow a capsule about the size of a vitamin tablet. The capsule is equipped with a transmitter, a battery, an LED light source, and a color video camera to capture images throughout the gastrointestinal tract. This procedure is particularly useful for diagnosing conditions such as Crohn's disease, ulcerative colitis, tumors, polyps, ulcers, unexplained...
Endoscopic Studies I: Bronchoscopy and Thoracoscopy01:30

Endoscopic Studies I: Bronchoscopy and Thoracoscopy

Endoscopy is a non-surgical medical technique used to examine a person's internal organs and vessels. This lesson will focus on two types of endoscopic studies: bronchoscopy and thoracoscopy.
Bronchoscopy
Description
Bronchoscopy is a procedure that involves direct visualization of the larynx, trachea, and bronchi for diagnostic and therapeutic purposes. A flexible fiber optic or rigid bronchoscope is used to carry out the procedure. The fiber-optic bronchoscope is more frequently used due to...

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Related Experiment Video

Updated: Jul 7, 2026

Evaluation of the Effectiveness of Longitudinal Incision for Endoscopic Submucosal Excavation of Gastric Subepithelial Lesions
04:08

Evaluation of the Effectiveness of Longitudinal Incision for Endoscopic Submucosal Excavation of Gastric Subepithelial Lesions

Published on: April 28, 2026

Clinical Outcomes of Colorectal Endoscopic Full-Thickness Resection Using the Full-Thickness Resection Device: A

Vicki McGarrigle1, Yuto Shimamura1, Leonardo Zorron Cheng Tao Pu1

  • 1Department of Gastroenterology and Hepatology Austin Health Melbourne Australia.

DEN Open
|July 6, 2026
PubMed
Summary

Endoscopic full-thickness resection (EFTR) using the full-thickness resection device (FTRD) effectively removes complex colorectal lesions. Female sex and appendiceal orifice location are associated with increased adverse events, necessitating careful patient selection.

Keywords:
colonoscopyendoscopic full‐thickness resectiongastrointestinal endoscopypostoperative outcomestherapeutic endoscopy

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Evaluation of the Effectiveness of Longitudinal Incision for Endoscopic Submucosal Excavation of Gastric Subepithelial Lesions
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Published on: February 13, 2026

Area of Science:

  • Gastroenterology
  • Endoscopic Surgery
  • Colorectal Oncology

Background:

  • Endoscopic full-thickness resection (EFTR) with the full-thickness resection device (FTRD) is an emerging minimally invasive technique for colorectal lesions and early cancers.
  • Limited data exist on EFTR efficacy, safety, and predictors of adverse events (AEs).

Purpose of the Study:

  • To evaluate the outcomes of colorectal EFTR using FTRD.
  • To identify patient- and lesion-related factors associated with AEs.

Main Methods:

  • Multicenter retrospective study across 13 centers in Australia and New Zealand.
  • Analysis of patient demographics, lesion characteristics, procedural outcomes, R0 resection rates, and AEs in 170 EFTR procedures.

Main Results:

  • Technical success was 89%, with R0 resection in 79% of adenocarcinomas.
  • Early and delayed AEs occurred in 4.1% and 12.9%, respectively.
  • AEs were significantly associated with female sex and appendiceal orifice lesions.

Conclusions:

  • Colorectal EFTR using FTRD is effective for complex lesion resection.
  • Careful patient selection and risk stratification are crucial for optimizing outcomes.