De novo CD5-positive Diffuse Large B-cell Lymphoma of the Temporal Bone Presenting with an External Auditory Canal Tumor

1 January 2006

journal article
case report
Published by Japanese Society of Internal Medicine in Internal Medicine

Vol. 45 (11) , 733-737
https://doi.org/10.2169/internalmedicine.45.1671

Abstract

We report a 74-year-old woman with primary CD5-positive diffuse large B-cell lymphoma (DLBCL) of the temporal bone. The patient was admitted because of a mass in the left external auditory canal. She was treated with eight courses of CEOP therapy (rituximab was added from the sixth course) followed by radiotherapy of 40 Gy, and complete remission was achieved. The occurrence of malignant lymphoma in the temporal bone, which is an extremely unusual site, may have depended on the peculiarity of CD5-positive DLBCL.

Keywords

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