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Sociedade Brasileira de Hematologia e Hemoterapia, Revista Brasileira de Hematologia e Hemoterapia, 2(33), p. 148-150, 2010

DOI: 10.5581/1516-8484.20110036

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Disease progression after R-CHOP treatment associated with the loss of CD20 antigen expression

Journal article published in 2010 by Marcelo Bellesso, Flavia Dias Xavier, Renata Oliveira Costa, Juliana Pereira ORCID, Sheila Aparecida Coelho Siqueira, Dalton Alencar Fischer Chamone
This paper is made freely available by the publisher.
This paper is made freely available by the publisher.

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Abstract

A case of a follicular lymphoma transformed into a CD20(+) is described which progressed with the loss of CD20 expression after 8 cycles of R-CHOP. This phenomenon is not a rare event and has shown poor prognosis. Our purposes are to describe this event and suggest biopsy in relapsed or progressive disease.