Mucosa-associated lymphoid tissue (MALT) was first described as low-grade lymphoma associated with the stomach mucosa. Although the stomach and ocular adnexa are the most common localizations of MALT lymphoma, it has also been described in many other organs, including the head and neck, lungs, thyroid, breast, bladder, saliva glands, conjunctiva, and tear glands. MALT lymphoma originating from the dura is rare. The case is here presented of an 83-year-old female operated on with an initial diagnosis of acute subdural hematoma. In the histopathological examination, there was seen to be lymphoplasmacytic infiltration of the dura and a lymphomeningothelial lesion. Immunohistochemically, low-grade MALT lymphoma showing B-cell phenotype was considered. This is the first reported case of lymphomeningothelial lesion in MALT lymphoma originating from the dura.
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