Articles

P4.09 MPL S204P is a Recurrent Mutation in Essential Thrombocythemia

BJH - volume 7, issue Abstract Book BHS, january 2016

C. AL Assaf , P. Papadopoulos , S. Smits , L. Gutiérrez , I. Tanyalcin , M. Fierce , E. Lierman PhD, T. Devos MD, PhD, J. Billiet MD, P. Vandenberghe MD, PhD

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O.2 Analysis of Phenotype and Outcome in Essential Thrombocythemia with CALR and JAK2 mutations

BJH - volume 6, issue Abstract Book BHS, january 2015

C. AL Assaf , F. Van Obbergh MD, J. Billiet MD, E. Lierman PhD, T. Devos MD, PhD, C. Graux MD, PhD, A.S. Hervent , T. Tousseyn MD, PhD, P. De Paepe MD, PhD, P. Papadopoulos , L. Michaux MD, PhD, P. Vandenberghe MD, PhD

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P4.09 Evaluation of Schistocyte Analysis by a Novel Automated Digital Cell Morphology Application

BJH - volume 6, issue Abstract Book BHS, january 2015

AS. Hervent , M. Godefroid , B. Cauwellier , J. Billiet MD, J. Emmerechts MD, PhD

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Biclonal biphenotypic B-cell lymphocytosis: a CLL in disguise?

BJH - volume 5, issue 4, december 2014

B. Depreter PharmD, E. Dumoulin PharmD, J. Billiet MD, B. Cauwelier MD, PhD, B. Maes MD, PhD, C. Matthys MD, J. Van Droogenbroeck MD, PhD, F. Nollet PhD, J. Emmerechts MD, PhD

Summary

We report a rare case of biclonal biphenotypic B-cell lymphocytosis with chronic lymphocytic leukaemia phenotype. Clonality was initially misjudged by immunophenotyping because of its polyphenotypic pattern. Polymerase chain reaction analysis revealed clonality of the immunoglobulin heavy chain and kappa light chain gene rearrangement, indicating the presence of a monoclonal B-lymphocyte population. Immunophenotyping was repeated after cell sorting and revealed two CD5+CD19+ populations with different light chain restriction. Different genetic abnormalities for both clones, as evidenced by fluorescence in situ hybridisation and hypermutation analysis, support the diagnosis of two independently originated but co-existing B-cell clones. This case illustrates the importance of using multiple techniques in the diagnostic work-up of haematological malignancies.

(BELG J HEMATOL 2014;5(4):143–7)

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O.8 JAK2 V617F-Negative AND MPL W515K/L-Negative Essential Thrombocythemia: a High Resolution SNP Array Study

BJH - volume 5, issue Abstract Book BHS, january 2014

C. AL Assaf , E. Lierman PhD, T. Devos MD, PhD, C. Graux MD, PhD, J. Billiet MD, J. Finalet Ferreiro , P. Vandenberghe MD, PhD

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P2.02 The value of SOX11 overexpression in the differential diagnosis of mantle cell lymphoma

BJH - volume 5, issue Abstract Book BHS, january 2014

B. Depreter PharmD, F. Nollet PhD, S. Vermeire , B. Cauwelier MD, PhD, A. Van Hoof MD, PhD, J. Billiet MD

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P2.07 Bing-Neel syndrome: report of two cases

BJH - volume 5, issue Abstract Book BHS, january 2014

E. Dumoulin PharmD, B. Depreter PharmD, L. Vanopdenbosch MD, J. Emmerechts MD, PhD, F. Nollet PhD, D. Selleslag MD, A. Van Hoof MD, PhD, J. Billiet MD

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