Other neoplastic myeloid conditions have been associated with monocytic abnormalities including juvenile myelomonocytic leukemia, chronic myeloid leukemia with p190 fusion, and myeloid neoplasm with rearrangements of PDGFRA, PDGFRB, FGFR1 and PCM1-JAK2. The gene discussed is JAK2; the disease is chronic myelogenous leukemia, BCR-ABL1 positive.