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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.
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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...
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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:
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Imaging Studies III: Gastrointestinal Motility Studies and Virtual Colonoscopy

This lesson explores three gastrointestinal imaging techniques: radionuclide testing, colonic transit studies, and virtual colonoscopy.
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Appendicitis-II: Diagnostic Studies and Management01:29

Appendicitis-II: Diagnostic Studies and Management

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Related Experiment Video

Updated: Jun 15, 2026

Multimodality Diagnosis of Mesenteric Ischemia
05:07

Multimodality Diagnosis of Mesenteric Ischemia

Published on: July 21, 2023

Staged second-look laparoscopy to evaluate ischemic bowel.

Yi-Zarn Wang1

  • 1Louisiana State University Health Sciences Center, Department of Surgery, Section of Surgical Oncology and Endocrine Surgery, New Orleans, Louisiana, USA. ywang@lsuhsc.edu

JSLS : Journal of the Society of Laparoendoscopic Surgeons
|March 6, 2010
PubMed
Summary
This summary is machine-generated.

A novel technique using a drain tube for CO(2) inflation simplifies second-look laparoscopy after extensive mesenteric lymphadenectomy. This approach aids in assessing bowel perfusion and avoids unnecessary resection, improving patient outcomes.

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Caudal-to-cranial Approach in Laparoscopic Right Hemicolectomy with Complete Mesocolon Excision and D3 Lymph Node Dissection
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Caudal-to-cranial Approach in Laparoscopic Right Hemicolectomy with Complete Mesocolon Excision and D3 Lymph Node Dissection

Published on: January 9, 2026

Related Experiment Videos

Last Updated: Jun 15, 2026

Multimodality Diagnosis of Mesenteric Ischemia
05:07

Multimodality Diagnosis of Mesenteric Ischemia

Published on: July 21, 2023

Caudal-to-cranial Approach in Laparoscopic Right Hemicolectomy with Complete Mesocolon Excision and D3 Lymph Node Dissection
06:46

Caudal-to-cranial Approach in Laparoscopic Right Hemicolectomy with Complete Mesocolon Excision and D3 Lymph Node Dissection

Published on: January 9, 2026

Area of Science:

  • Surgical Oncology
  • Gastrointestinal Surgery

Background:

  • Extensive mesenteric lymphadenectomy for midgut carcinoids can compromise intestinal blood supply, leading to ischemic bowel.
  • Surgeons face challenges in deciding between bowel resection or temporary closure when assessing questionable ischemia.

Purpose of the Study:

  • To present a minimally invasive technique for assessing bowel perfusion after mesenteric lymphadenectomy.
  • To simplify the process of second-look laparoscopy in cases of suspected intestinal ischemia.

Main Methods:

  • Segments of bowel with signs of ischemia were preserved if perfusion was evident.
  • A Jackson Pratt drain was placed near the anastomosis and brought out abdominally.
  • A laparoscopic second-look operation was performed 48 hours later, using the drain tubing for CO(2) insufflation and a 5-mm trocar for inspection.

Main Results:

  • Three second-look laparoscopies were completed rapidly (approx. 5 minutes) without complications.
  • One patient avoided the planned second-look procedure due to excellent postoperative recovery.

Conclusions:

  • This technique offers a straightforward solution for intraoperative assessment of questionable intestinal blood supply.
  • It facilitates evaluation of bowel viability and anastomosis integrity, potentially reducing the need for resection.