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Le diagnostic de la leucémie myéloïde chronique (LMC) en 2012

Chronic myeloid leukemia (CML) diagnosis in 2012

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Oncologie

Abstract

Diagnosis of Chronic myeloid leukemia (CML), a myeloproliferative neoplasia, as well as the assessment of evolutive phase and prognostic score demands: 1) a clinical examination with spleen measurement; 2) blood counts showing hyperleucocytosis with basophilia and immature granulocytic cells at various stages of differentiation; 3) a bone marrow aspirate exhibiting excess of cells belonging to the granulocytic lineage; 4) a karyotype and/or FISH identifying the Philadelphia chromosome, a (9;22) translocation, and/or the fusion gene BCR-ABL1, which codes for the tyrosinekinase protein responsible for the disease; and 5) a polymerase chain reaction (PCR) characterizing the BCR-ABL1 fusion transcript both on qualitative and quantitative basis.

Résumé

Le diagnostic de la néoplasie myéloproliférative que représente la LMC, ainsi que la détermination de sa phase évolutive et de son score pronostique nécessitent: 1) un examen clinique mesurant l’éventuelle splénomégalie; 2) un hémogramme retrouvant une hyperleucocytose avec basophilie et myélémie harmonieuse; 3) unmyélogramme montrant une hyperplasie granulocytaire; 4) un caryotype médullaire et/ou FISH identifiant le chromosome de Philadelphie par translocation (9;22) et/ou le gène de fusion BCR-ABL1 codant pour la protéine tyrosine-kinase à l’origine de la maladie; 5) un polymerase chain reaction (PCR) caractérisant qualitativement et quantitativement le transcrit de fusion BCR-ABL1.

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Correspondence to J. -M. Cayuela.

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Cayuela, J.M., Huguet, F. Le diagnostic de la leucémie myéloïde chronique (LMC) en 2012. Oncologie 14, 561–568 (2012). https://doi.org/10.1007/s10269-012-2211-4

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  • DOI: https://doi.org/10.1007/s10269-012-2211-4

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