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APPLICATION OF JNET CLASSIFICATION ON DIAGNOSING COLORECTAL SESSILE POLYPS ≤10MM
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Abstract
Objective: To evaluate the accuracy of JNET classification on predicting histopathologic result among sessile polyps ≤10mm. Subject and method: a cross-sectional study was conducted among patients who had sessile polyps ≤10mm on colposcopy at Gastroenterology Department– 108 Military Central Hospital between September 2023 and July 2024. The polyps were classified base on magnifying NBI endoscopy according to JNET classification and then resected and analyzed histopathologically. Result: 233 polyps were collected from 155 patients. 49.4% of the polyps had a size ≤5mm. Transverse colon and Sigmoid were the most common location of polyps. The prevalences of JNET-1, JNET-2A, 2B and JNET-3 were 21.9%, 76.8%, 1.3%, and 0%. The sensitivity, specificity and accuracy of JNET-1 in predicting hyperplastic polyps were 92.7%, 92.9%, and 92.8% respectively. The sensitivity, specificity and accuracy of JNET-2A in predicting low grade dysplasia polyps were 92.8%, 93.2% and 92.8%, respectively. Conclusion: among sessile polyps ≤10mm, JNET classification had a high sensitivity, specificity and accuracy in predicting histopathologic results.
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Keywords
colon endoscopy, JNET classification, sessile polyps.
References
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