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Systematic Endoscopic Approach for Diagnosing Gastric Subepithelial Tumors
1Department of Internal Medicine, Pusan National University College of Medicine, and Biomedical Research Institute, Pusan National University Hospital, Busan, Korea.
Gut and Liver
|March 12, 2021
Summary
Diagnosing subepithelial tumors (SETs) during endoscopy is challenging. This review introduces a systematic approach to improve the diagnosis of gastric SETs, aiding in distinguishing benign from malignant cases.
Area of Science:
- Gastroenterology
- Endoscopy
- Oncology
Background:
- Subepithelial tumors (SETs) are frequently found during upper gastrointestinal endoscopy, particularly in gastric cancer screening programs.
- Distinguishing between benign and malignant SETs is difficult due to limitations of routine endoscopic biopsy.
- Accurate diagnosis is crucial for appropriate patient management.
Purpose of the Study:
- To present a systematic diagnostic approach for gastric subepithelial tumors encountered during conventional endoscopy.
- To enhance the diagnostic yield of endoscopic biopsies for SETs.
Main Methods:
- Detailed endoscopic examination including tumor location, shape, color, surface, mobility, consistency, and size.
- Application of specific biopsy techniques, such as the bite-on-bite method, for SETs exhibiting certain characteristics (e.g., erosion, ulceration).
Main Results:
- A structured evaluation of endoscopic findings can improve SET diagnosis.
- Optimized biopsy techniques increase the likelihood of obtaining diagnostic tissue samples.
Conclusions:
- A systematic endoscopic approach is valuable for diagnosing gastric SETs.
- Improved diagnostic strategies can help differentiate benign from malignant SETs, guiding clinical decisions.
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