Primary T-lymphoma of the breast with bilateral involvement, unusual presentation

Primary or secondary involvement of the breast is a rare form of extranodal lymphoma. Most reported primary non-Hodgkin lymphomas of the breast have a B-cell phenotype, those of T-cell phenotype are even more rare. Bilateral breast involvement at diagnosis also is very rare. We herein report a young female patient with bilateral breast involvement by low-grade T-cell malignant lymphoma.