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The granular cell tumor is a rare tumor that can be found in a routine colonoscopy, presenting as an innocent bulge of the mucosa, termed subepithelial lesion. Endoscopic submucosal dissection is a sophisticated endoscopic technique that was able to safely treat this case, avoiding surgery.

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This page is a summary of: Endoscopic Submucosal Dissection of Subepithelial Lesion in the Cecum: Granular Cell Tumor, GE - Portuguese Journal of Gastroenterology, December 2022, Karger Publishers,
DOI: 10.1159/000527586.
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