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  • Pre-Assessment
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  • Post-Test
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Precancerous Lesions in GI Mucosa: Staining and Screening

Precancerous Lesions in GI Mucosa: Staining and Screening


Patient Case Study

Time to Complete

30 minutes


May 11, 2018


May 11, 2019
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Maximum Credits

0.50 / AMA PRA Category 1 Credit(s)TM
0.50 / CNE Contact Hour

Accredited Providers

This activity is provided by the American Gastroenterological Association for physician credit.
This activity is provided by AKH Inc., Advancing Knowledge in Healthcare for nursing contact hours.

Commercial Supporter

Supported by an educational grant from Aries Pharmaceuticals, Inc.


Produced by Haymarket Medical Education

Program Description

Despite a decrease in the incidence of cancers of the gastrointestinal (GI) tract in recent years, these malignancies remain a significant diagnostic and treatment challenge globally. Significant improvements in detection, particularly with the advent of chromoendoscopy stains and virtual chromoendoscopy, have contributed to a better recognition of lesions in the GI mucosa at earlier precancerous stages, leading to the decrease in malignant cases. Bowel preparation also is a critical step in detecting lesions because less-than-adequate preparation will result in a higher miss rate even with newer technologies. Available stains can be reactive, absorptive, or nonabsorptive and each detects certain morphologic characteristics of adenomas or serrated lesions; virtual chromoendoscopy techniques allow precise filtering of light to detect lesion characteristics. Clinician familiarity with these diagnostic technologies and the ability to implement them are essential to identifying and classifying lesions.

Intended Audience

Physicians, physician assistants, nurse practitioners, nurses, and members of the GI endoscopy care team

Educational Objectives

After completing the activity, the participant should be better able to:

  • Evaluate the spectrum of chromoendoscopic staining techniques to optimally identify and assess adenomatous polyps and other precancerous lesions in the gastric mucosa
  • Implement quality-improvement tools to increase adherence to oral staining products and improve overall endoscopy services

Conflict Of Interest Disclosure Policies

In accordance with the ACCME’s Standards for Commercial Support of Continuing Medical Education, all faculty and planning partners must disclose any financial relationship(s) or other relationship(s) held within the past 12 months. The AGA Institute implements a mechanism to identify and resolve all conflicts of interest prior to delivering the educational activity to learners.

It is the policy of AKH Inc. to ensure independence, balance, objectivity, scientific rigor, and integrity in all of its continuing education activities. The faculty must disclose to the participants any significant relationships with commercial interests whose products or devices may be mentioned in the activity or with the commercial supporter of this continuing education activity. Identified conflicts of interest are resolved by AKH prior to accreditation of the activity and may include any of or combination of the following: attestation to non-commercial content; notification of independent and certified CME/CE expectations; referral to National Faculty Initiative training; restriction of topic area or content; restriction to discussion of science only; amendment of content to eliminate discussion of device or technique; use of other faculty for discussion of recommendations; independent review against criteria ensuring evidence support recommendation; moderator review; and peer review.


Michael B. Wallace, MD, MPH
Professor of Medicine
Division of Gastroenterology and Hepatology
Mayo Clinic
Jacksonville, FL

Dr. Wallace receives consulting fees from Aries Pharmaceuticals, Inc.

Accredited Provider Disclosures

No other individuals involved with planning and delivering the content disclosed any relevant financial relationships.




AMA PRA Category 1 Credit(s)TM

Accreditation Statement

The AGA Institute is accredited by the Accreditation Council for Continuing Medical Education (ACCME) to provide continuing medical education for physicians.

Designation Statement

The AGA Institute designates this enduring activity for a maximum of 0.50 AMA PRA Category 1 CreditTM .   Physicians should claim only the credit commensurate with the extent of their participation in the activity.




CNE Contact Hour(s)

Accreditation Statement

AKH Inc., Advancing Knowledge in Healthcare is accredited as a provider of continuing nursing education by the American Nurses Credentialing Center’s Commission on Accreditation.

Designation Statement

This activity is awarded 0.50 contact hours.

Disclosure of Unlabeled Use

This educational activity may contain discussion of approved and/or investigational uses of agents that are not indicated by the FDA. AGA Institute, AKH Inc., Haymarket Medical Education, and Aries Pharmaceuticals, Inc., do not recommend the use of any agent outside of the labeled indications.

The opinions expressed in this educational activity are those of the faculty and do not necessarily represent the views of AGA Institute, AKH Inc., Haymarket Medical Education, or Aries Pharmaceuticals, Inc. Please refer to the official prescribing information for each product for discussion of approved indications, contraindications, and warnings.


AGA Institute and AKH Inc. do not provide any warranty as to the accuracy or reliability of information presented either verbally or in writing by presenters. No responsibility is assumed by AGA Institute or AKH Inc. for any injury and/or damage to persons or property resulting from any use of such information.

If you have any questions relating to the accreditation of this activity, please contact the AGA education department at or 301-654-2055.

If you have any questions relating to the CE accreditation of this activity, please contact AKH Inc. at

If you have any other questions relating to your certificate or other issues with the activity, please contact


To obtain credit, a score of 70% or better on the post-test is required. This activity is offered at no cost to participants. Please proceed with the activity until you have successfully completed this program, answered all test questions, completed the post-test and evaluation, and have received a digital copy of your credit certificate. Your online certificate will be saved on myCME within your Profile/CME History, which you can access at any time.


Hardware and Software Requirements
  • A computer with an internet connection
  • Internet Browser: Internet Explorer 7.x or higher, Firefox 4.x or higher, Safari 2.x or higher, or any other W3C standards compliant browser
  • Additional Software: Adobe Flash Player and/or an HTML 5 capable browser maybe required for video or audio playback. PowerPoint or Adobe Acrobat Reader may occasionally be required
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