Lacrimal gland CD5-positive, primary, extra-nodal marginal zone lymphoma of mucosa associated lymphoid tissue (MALT) – Type
Kaustubh Mulay, Santosh G Honavar
Abstract
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Kaustubh Mulay, Santosh G Honavar
Abstract
Open-access reader
Mucosa-associated lymphoid tissue (MALT) lymphoma of the ocular adnexae is rare. A 39-year-old woman presenting with proptosis was diagnosed to have non-Hodgkin's lymphoma with intermediate-sized cells and lymphoepithelial lesion. Unlike most MALT lymphomas, this lymphoma was found to be CD5-positive. Small lymphocytic lymphoma/chronic lymphocytic leukemia and lymphoplasmacytic lymphoma are two other entities that are CD5-positive and have a morphological pattern similar to MALT lymphoma. The case report and approach to the diagnosis is discussed.
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Mucosa-associated lymphoid tissue (MALT) lymphoma of the ocular adnexae is rare. A 39-year-old woman presenting with proptosis was diagnosed to have non-Hodgkin's lymphoma with intermediate-sized cells and lymphoepithelial lesion. Unlike most MALT lymphomas, this lymphoma was found to be CD5-positive. Small lymphocytic lymphoma/chronic lymphocytic leukemia and lymphoplasmacytic lymphoma are two other entities that are CD5-positive and have a morphological pattern similar to MALT lymphoma. The case report and approach to the diagnosis is discussed.
Key concepts: MALT lymphoma, Medicine, Pathology, CD5, Lymphoma, Marginal zone, Lymphatic system, Mucosa-associated lymphoid tissue