Primary Synchronous Bilateral Mucosa-Associated Lymphoid Tissue Lymphoma (MALT) of the Breast: A case Report with Discussion of Management and Review of the Literature

Daniele Colombo, Alessandro Bo

Abstract

Mucosa associated lymphoid tissue (MALT) lymphoma is a lymphoid neoplasm arising in extranodal sites with histologic features similar to those of nodal marginal zone lymphoma. Among the sites where a primary MALT lymphoma arises, the GI tract is the most common whereas the breast represents only 4%. Bilateral involvement of the breasts by a primary MALT lymphoma is exceptional with only 10 cases reported in the literature up to date. Herein, a case of a 73 years old woman with bilateral breast involvement by MALT lymphoma is presented and discussed.