Internal Medicine
Online ISSN : 1349-7235
Print ISSN : 0918-2918
ISSN-L : 0918-2918
CASE REPORTS
CD3- and CD4-Positive Plasmablastic Lymphoma: A Literature Review of Japanese Plasmablastic Lymphoma Cases
Yuhko SuzukiTsutomu YoshidaNaoya NakamuraHirotoshi KamataShouko KotaniManabu OhsakaSabine KajitaKoji MiyazakiShinichi OhtaniMeijin NakayamaRyouichi HorieKazushige HayakawaNozomi NiitsuMasaaki Higashihara
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JOURNAL OPEN ACCESS

2010 Volume 49 Issue 16 Pages 1801-1805

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Abstract

Plasmablastic lymphoma (PBL) is a very rare and recently-described subtype of diffuse large B-cell lymphoma. A maxillary tumor in an 84-year-old HIV-negative Japanese-man was referred. The biopsied specimen showed a diffuse proliferation of mature plasma cells, expressing CD3 (+), CD4 (+), CD20 (-), CD138 (+) and EBER (+) by immunohistochemistry. He was diagnosed as a plasmablastic lymphoma; radiation therapy (RT) was started, but the response to the RT was only a partial response. To our knowledge, this is the first report of a patient with PBL expressing CD3 and CD4.

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© 2010 by The Japanese Society of Internal Medicine
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