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Primary Mucosa-Associated Lymphoid Tissue Lymphoma of the Breast with Synchronous Contralateral Invasive Breast
Journal of the Korean Society of Radiology
|April 9, 2025
Summary
This case report details an extremely rare instance of bilateral breast cancer, involving primary mucosa-associated lymphoid tissue (MALT) lymphoma in one breast and invasive ductal carcinoma in the other. It highlights diagnostic challenges for these uncommon breast malignancies.
Area of Science:
- Oncology
- Hematology
- Radiology
Background:
- Primary breast lymphoma is a rare malignancy, with diffuse large B-cell lymphoma being the most common subtype.
- Primary mucosa-associated lymphoid tissue (MALT) lymphoma of the breast is exceptionally rare and typically more indolent.
- Bilateral breast malignancies involving lymphoma and carcinoma are exceedingly uncommon.

