Related Experiment Video
Updated: Apr 28, 2026

Flexible Colonoscopy in Mice to Evaluate the Severity of Colitis and Colorectal Tumors Using a Validated Endoscopic Scoring System
Published on: October 16, 2013
Colonoscopic evaluation in ulcerative colitis
1G.V. (Sonny) Montgomery VA Medical Center and Division of Digestive Diseases, Department of Medicine, University of Mississippi Medical Center, Jackson, MS, USA painemed2@gmail.com.
Colonoscopic evaluation helps assess ulcerative colitis (UC) extent, from proctitis to pancolitis. Mucosal healing is now a key goal for new UC medications, with the Mayo Score aiding clinical trials.
Area of Science:
- Gastroenterology
- Endoscopy
- Inflammatory Bowel Disease
Background:
- Colonoscopy is crucial for evaluating ulcerative colitis (UC) extent.
- UC classification includes proctitis, left-sided colitis, and pancolitis, with specific endoscopic findings like backwash ileitis.
- The Mayo Score is a standard tool for assessing UC severity in clinical trials.
Purpose of the Study:
- To highlight the role of colonoscopy in UC assessment.
- To emphasize the importance of mucosal healing as a therapeutic goal in UC.
- To discuss the utility of scoring systems like the Mayo Score in UC management.
Main Methods:
- Review of colonoscopic findings in ulcerative colitis.
- Analysis of disease classification based on extent.
- Discussion of scoring systems used in UC research.
Main Results:
- Colonoscopy accurately defines UC extent, aiding classification.
- Specific findings like cecal patches and backwash ileitis are associated with UC.
- The Mayo Score is integral to evaluating UC treatment efficacy.
Conclusions:
- Colonoscopic evaluation is fundamental for diagnosing and staging ulcerative colitis.
- Achieving mucosal healing is a primary objective for current UC therapies.
- Standardized scoring systems facilitate consistent assessment in UC clinical trials.
Related Concept Videos
Endoscopic Procedures II: Colonoscopy
Assessment of the Rectum and Anus
Rectal Inspection
Begin by inspecting the perianal and anal areas for color, texture, rashes,...
Inflammatory Bowel Disease II: Ulcerative Colitis
Peptic Ulcer Disease III: Clinical Manifestations and Diagnostic Studies
Few clinical manifestations differentiate gastric ulcers from duodenal ulcers. Distinctions in the location, timing, and pain relief are crucial for healthcare providers in differentiating between gastric and duodenal ulcers during clinical assessments.
Imaging Studies III: Gastrointestinal Motility Studies and Virtual Colonoscopy
Radionuclide Testing
Radionuclide testing is a sophisticated medical technique for assessing gastrointestinal motility. It focuses on gastric emptying and colonic transit time. Radioactive markers track the movement of food through the digestive system, providing insights into gastrointestinal disorders.
In gastric emptying studies, a meal's liquid and...
Endoscopic Procedures IV: Sigmoidoscopy and Laproscopy
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...

