<unk>  (Pre-PMF) is a rare blood cancer, classified by the World Health Organization as a distinct type of myeloproliferative neoplasm in 2016. The disease is progressive to overt<unk>  myelofibrosis, though the rate of progression is variable and not all patients progress. Symptoms and presentation can mimic essential thrombocythemia, with the main differentiator for pre-PMF being the presence of fibrosis in the bone marrow.
Prefibrotic primary myelofibrosis
Acute panmyelosis with myelofibrosis
Accelerated phase chronic myelogenous leukemia
Chronic phase chronic myelogenous leukemia
AIDS-related lymphoma
Primary myelofibrosis
Refractory anemia with excess of blasts
Blastic phase chronic myelogenous leukemia