Articles

P2.09 Refractory anemia with ringed sideroblasts upon linezolid treatment

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

K. Vanhouteghem PharmD, B. Cauwelier MD, PhD, P. Costers , D. Selleslag 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 PhD, PharmD, E. Dumoulin PharmD, J. Billiet MD, B. Cauwelier MD, PhD, B. Maes MD, PhD, C. Matthys MD, J. Van Droogenbroeck MD, F. Nollet PhD, MSc, 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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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 PhD, PharmD, F. Nollet PhD, MSc, S. Vermeire , B. Cauwelier MD, PhD, A. Van Hoof MD, PhD, J. Billiet MD

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P4.09 A novel HLA-C null variant allele (C*05:XXN) generated by single nucleotide deletion and premature stop codon in exon 3

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

B. Cauwelier MD, PhD, W. Rosseel , F. Nollet PhD, MSc, W. Schroyens MD, PhD, A. Gadisseur MD, PhD, Z. Berneman MD, PhD

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O.1 Exome sequencing identifies mutation of the ribosome in T-ALL

BJH - 2013, issue BHS Abstractbook, january 2013

K. De Keersmaecker PhD, Z.K. Atak , N. Li , C. Vicente , S. Patchett , T. Girardi , V. Gianfelici , E. Geerdens , M. Porcu , I. Lahortiga , R. Luca , J. Yan , G. Hulselmans , E. Clappier , R. Vandepoel , B. Sweron , K. Jacobs PhD, N. Mentens , I. Wlodarska , B. Cauwelier MD, PhD, J. Cloos , J. Soulier , A. Uyttebroeck MD, PhD, C. Bagni , B. Hassan , P. Vandenberghe MD, PhD, A. Johnson , S. Aerts , J. Cools

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P.09 Exome sequencing identifies mutation of CNOT3 in T-cell acute lymphoblastic leukaemia

BJH - 2013, issue BHS Abstractbook, january 2013

C. Vicente , K. De Keersmaecker PhD, Z.K. Atak , J. Yan , N. Li , V. Gianfelici , E. Geerdens , E. Clappier , G. Hulselmans , R. Vande poel , B. Cauwelier MD, PhD, J. Cloos , J. Soulier , A. Uyttebroeck MD, PhD, B. Hassan , P. Vandenberghe MD, PhD, S. Aerts , J. Cools

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P.12 Evaluation of CD200 expression in differential diagnosis of CD5+ B cell NHLs

BJH - 2013, issue BHS Abstractbook, january 2013

B.A.P.M. Depreter , J. Emmerechts MD, PhD, B. Cauwelier MD, PhD

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