<unk>  is most commonly<unk>  by somatic mutations in the myeloproliferative leukemia virus (MPL) oncogene, the calreticulin (CALR) gene, or Janus kinase 2 (JAK2) gene. Less common mutations in other genes have also been documented. It can also be the result of other primary disorders manifesting as a complication or part of the disease process. Infections, malignancies, hematologic disorders, autoimmune diseases and exposure to certain toxins can also<unk> unk> .
Myelofibrosis causes
Multiple myeloma causes
Febrile neutropenia causes
Thrombocytopenia causes
Chronic myelogenous leukemia causes
Myeloproliferative neoplasm causes
Acute myeloid leukemia causes
Leukocytosis causes