A Prospective, Single Blinded Study for Predicting Colon Polyp Histology With Narrow Band Imaging
| Status: | Completed |
|---|---|
| Conditions: | Gastrointestinal |
| Therapuetic Areas: | Gastroenterology |
| Healthy: | No |
| Age Range: | 18 - Any |
| Updated: | 4/2/2016 |
| Start Date: | April 2012 |
| End Date: | December 2013 |
| Contact: | Vikas Singh, MD, MHSA |
| Email: | vikas.singh@va.gov |
| Phone: | 816 861 4700 |
The investigators hypothesize that NBI will have a high accuracy in predicting polyp
histology real time during a colonoscopy by visualization of the surface mucosal and
vascular patterns. Aim#1: To determine the sensitivity, specificity and accuracy of NBI and
standard white light colonoscopy for predicting polyp histology by evaluating the surface
mucosal and vascular patterns during colonoscopy. Aim#2: To determine the inter-observer
agreement between investigators for the recognition of various polyp patterns.
histology real time during a colonoscopy by visualization of the surface mucosal and
vascular patterns. Aim#1: To determine the sensitivity, specificity and accuracy of NBI and
standard white light colonoscopy for predicting polyp histology by evaluating the surface
mucosal and vascular patterns during colonoscopy. Aim#2: To determine the inter-observer
agreement between investigators for the recognition of various polyp patterns.
Inclusion Criteria:
- referral for screening or surveillance colonoscopy
- the ability to provide informed consent
Exclusion Criteria:
- prior surgical resection of any portion of colon
- prior history of colon cancer
- history of inflammatory bowel disease
- use of anti-platelet agents or anticoagulants that precludes removal of polyps during
the procedure
- poor general condition or any other reason to avoid prolonged procedure time
- history of polyposis syndrome or Hereditary Non-polyposis colon cancer
- inability to give informed consent
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