Relevance of a scoring system including CD11c expression in the identification of splenic diffuse red pulp small B-cell lymphoma (SRPL)

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Baseggio, Lucile | Traverse-Glehen, Alexandra | Callet-Bauchu, Evelyne | Morel, Dominique | Magaud, Jean-Pierre | Berger, Françoise | Salles, Gilles | Felman, Pascale

Edité par CCSD ; Wiley -

'Splenic red pulp lymphoma with numerous basophilic villous lymphocytes' (SRPL), recently described, is characterized by clinical, morphologic, immunologic, cytogenetic and molecular features distinct from SMZL/SLVL and HCL. In particular, the intensity of CD11c staining (expressed as fluorescence intensity -RFI-) in SRPL is significantly different from the RFI in SMZL/SLVL and HCL. Moreover the use of a scoring system based on the expression of CD11c, CD22, CD76, CD38 and CD27 appears to improve the differential diagnosis between SRPL and SMZL/SLVL and emphasizes that SRPL is an entity closed to but distinct from SMZL/SLVL. Copyright © 2010 John Wiley & Sons, Ltd.

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