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Chronic Neutrophilic Leukemia with V617F JAK2 Mutation

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Abstract

Chronic neutrophilic leukemia (CNL) is a rare disease grouped under World health organization classification as chronic myeloproliferative disease. It is a diagnosis of exclusion in patients with sustained mature neutrophilia and splenomegaly with no evidence of other myeloproliferative disease or reactive neutrophilia. V617F JAK 2 mutation has been described in classical myeloproliferative diseases, but its association with CNL has been reported in a few cases. Here in, we describe three cases of CNL with presence of V617F JAK 2 mutation. To distinguish CNL from secondary neutrophilia can be difficult. Detection of the V617F JAK 2 mutation in such scenario can provide a useful diagnostic test to establish the neoplastic nature of the neutrophilia.

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Correspondence to Ritu Gupta.

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Gajendra, S., Gupta, R., Chandgothia, M. et al. Chronic Neutrophilic Leukemia with V617F JAK2 Mutation. Indian J Hematol Blood Transfus 30, 139–142 (2014). https://doi.org/10.1007/s12288-012-0203-6

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  • DOI: https://doi.org/10.1007/s12288-012-0203-6

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