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Low grade B-cell lymphomas arising from the marginal zone of secondary lymphatic follicles constitute less than 10% of lymphomas. This condition was initially described in the stomach and the nasopharynx. However, there have been several reports of isolated dural-based intracranial lesions. METHODS A review of the literature using the EMBASE and MEDLINE databases yielded 12 previous cases of dural MALT lymphomas but none that were entirely intra-parenchymal. RESULTS Here, we present the case of a 67 year male who was found to have a convexity meningioma; and another, intra-parenchymal, lesion with radiologic features consistent with a low grade glial tumor. Upon resection of both lesions, the intra-axial tumor was found to be a mucosa-associated lymphoid tissue lymphoma. He has subsequently been referred for initiation of needing adjuvant therapies. CONCLUSIONS In addition to posing challenges for radiologic diagnosis, this case presents questions regarding the oncologic management of MALT lesions in the brain.

SURG-23. INTRAPARENCHYMAL MUCOSA-ASSOCIATED LYMPHOID TISSUE (MALT) LYMPHOMA: A NOVEL DISEASE PRESENTATION