Abstract
Background: Conventional endoscopy shows low inter-observer agreement and low correlation with histology for lesions such as atrophic gastritis or intestinal metaplasia (IM). Using stationary pictures, a classification for gastric magnification chromoendoscopy (MC) patterns with four groups of images (I ‘no-IM no-dysplasia’; IIE - ‘complete IM’; IIF - ‘incomplete IM’ and III - ‘dysplastic mucosa’ areas) seemed reproducible and valid. Aim: To evaluate the learning curve for improved classification of MC in stomach.
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