Mucosa-Associated Lymphoid Tissue Lymphoma of the Ascending Colon Successfully Removed With Endoscopic Submucosal Dissection

Grigorios Petrousis, Simone Ignatova, Maria Xintara, Spyridon Vrakas, Dimitrios Karapiperis

Abstract


Mucosa-associated lymphoid tissue (MALT) lymphoma is a type of non-Hodgkin lymphoma with characteristic histopathological features and can occur in various extranodal sites, including the gastrointestinal tract. While gastric MALT lymphoma has been extensively researched, primary lymphoma presentation in the colorectal mucosa is rare and lacks any association with Helicobacter pylori infection. Furthermore, there are currently no standardized treatment guidelines for this condition. This report presents a rare case of primary MALT lymphoma that manifested as a broad-based polyp. The diagnosis was confirmed through histopathological and immunohistochemical examination, and the polyp was resected endoscopically with the endoscopic submucosal dissection technique.




J Med Cases. 2023;14(7):255-259
doi: https://doi.org/10.14740/jmc4121

Keywords


Mucosa-associated lymphoid tissue lymphoma; Colonoscopy; Endoscopic submucosal dissection; Ascending colon

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