Abstract
Idiopathic hypereosinophilic syndrome (HES) is a rare disease characterized by tissue involvement and organ dysfunction due to abnormal eosinophil proliferation. Evolution of HES into myeloid or T-cell malignancies has been frequently reported. Here, we describe a case of HES that preceded the occurrence of a high-grade B-lymphoblastic lymphoma in which clonal evolution has been demonstrated at the molecular level.
Publication types
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Case Reports
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Research Support, Non-U.S. Gov't
MeSH terms
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Humans
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Hypereosinophilic Syndrome / complications*
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Hypereosinophilic Syndrome / diagnosis
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Infant
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Lymphoma, B-Cell / complications*
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Lymphoma, B-Cell / diagnosis
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Lymphoma, B-Cell / genetics
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Oncogene Proteins, Fusion / genetics
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Precursor Cell Lymphoblastic Leukemia-Lymphoma / complications*
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Precursor Cell Lymphoblastic Leukemia-Lymphoma / diagnosis
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Remission Induction
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Reverse Transcriptase Polymerase Chain Reaction
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Transcription, Genetic
Substances
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Oncogene Proteins, Fusion