The relationship between anti-TNF therapy and development of lymphoma in Rheumatoid arthritis (RA) patients is controversial. However lymphomas of unusual types and sites have been reported among RA patients receiving anti-TNF therapy. Primary lymphoma of the breast is a rare entity and has never been reported to occur among RA patients taking anti-TNF therapy. This is the first case of primary lymphoma of the breast reported among RA patients on anti-TNF therapy. Rheumatoid arthritis patients currently on anti-TNF therapy should undergo routine gynecological examination.

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http://dx.doi.org/10.1016/j.clbc.2011.01.001DOI Listing

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