Precancerous Lesions in GI Mucosa: Staining and Screening
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 ...
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.
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 mucosaImplement quality-improvement tools to increase adherence to oral staining products and improve overall endoscopy services
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