Abstract
Chronic neutrophilic leukemia (CNL), atypical chronic myeloid leukemia (aCML), chronic myelomonocytic leukemia (CMML) and myelodysplastic syndrome (MDS) / myeloproliferative neoplasm (MPN) unclassified are rare myeloid neoplasms with overlapping laboratory and molecular characteristics, challenging the differential diagnosis and the development of therapies. Mutations in the CSF3R gene, w…