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Published on: June 15, 2019
[Clonal eosinophilia revealed by recurrent Staphylococcus aureus infection]
F Vandenbos1, M Figueredo, M-C Dumon-Gubeno
1Centre de réhabilitation cardio-respiratoire « La Maison du Mineur », Vence, France. f.vandenbos@maisondumineur.com
Abstract:
Acquired eosinophilia is currently classified into secondary (reactional to underlying diseases), clonal (presence of a bone marrow histological, cytogenetic or molecular marker of a myeloid malignancy) and idiopathic (neither secondary nor clonal) categories. We report the case of a 47-year-old male who was admitted to the hospital for Staphylococcus aureus recurring infections. An hypereosinophilia was discovered and led to molecular analysis. The identification of FIP1L1-PDGFRA fusion gene permitted the diagnostic of clonal eosinophilia. Treatment by imatinib mesylate induced an haematological remission, the control of the infection and thoracotomy cicatrization. This case is original because of its infectious presentation and the efficacy of imatinib mesylate to control the infectious process.
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