Myelodysplastic/myeloproliferative neoplasms (MDS/MPNs), including chronic myelomonocytic leukemia, atypical chronic myeloid leukemia, MDS/MPN-Unclassifiable, ring sideroblasts associated with marked thrombocytosis, and juvenile myelomonocytic leukemia, are clonal hematologic diseases characterized by myeloid dysplasia, proliferation, and absence of the molecular lesions BCR/ABL, PDGFRA, PDGFRB, and FGFR1.
C0836924
Thrombocytosis