Lacrimal Gland Orbital Lobe Cystic Mucosa-Associated Lymphoid Tissue Lymphoma: Case Report and Literature Review

This report describes a case of cystic, extranodal, marginal zone B-cell lymphoma of mucosa-associated lymphoid tissue of the orbital lobe of the lacrimal gland in a 70-year-old female. Case of cystic MALT lymphoma isolated to the orbital lobe of the lacrimal gland are rare, with six case reported in the literature. Initial clinical examination revealed bilateral dermatochalasis and a medial left upper lid contour deformity thought to be involutional ptosis. There was no suspicion for a mass lesion. Imaging and subsequent specialist clinical, pathologic, an immunochemical evaluation showed diagnostic features of cystic lacrimal gland orbital lobe MALT lymphoma. Clinical, radiographic, and immunohistopathologic and immunohistochemical findings are detailed. A review of literature was performed and discussed.