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

Grigorios Petrousis1, Simone Ignatova2, Maria Xintara3

  • 1Department of Internal Medicine, Section of Gastroenterology, Vrinnevi Hospital, Norrkoping, Sweden.

Journal of Medical Cases
|August 10, 2023
PubMed

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.

Keywords:
Ascending colonColonoscopyEndoscopic submucosal dissectionMucosa-associated lymphoid tissue lymphoma

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