label: Blast Phase Myeloproliferative Neoplasm
label_lc: blast phase myeloproliferative neoplasm
description: Transformation of a myeloproliferative neoplasm into acute myeloid leukemia, typically via accelerated phase myeloproliferative neoplasm. Myeloblasts account for 20% or more of the peripheral blood white cells or the nucleated cells in the bone marrow.