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Intern Med. 2013;52(17):1983-6.

Development of adult T-cell leukemia in a patient with rheumatoid arthritis treated with tocilizumab.

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  • 1Department of Immunology and Rheumatology, Nagasaki University Graduate School of Biomedical Sciences, Japan. nhideki@nagasaki-u.ac.jp

Abstract

Tocilizumab (TCZ) was administered from 2004 to 2008 in a 52-year-old woman with rheumatoid arthritis (RA) refractory to methotrexate (MTX) as a clinical trial. TCZ therapy with MTX was resumed in March 2009 due to exacerbation of RA. The patient was an human T-lymphotropic virus type I (HTLV-I) carrier, and, in April 2011, a peripheral blood smear showed many atypical lymphocytes, thus leading to a diagnosis of adult T-cell leukemia (ATL). Complete remission of ATL was achieved with a standard therapeutic regimen.

PMID:
23994996
[PubMed - indexed for MEDLINE]
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