| umls-concept:C0027022 | skos:definition | MSH: Conditions which cause proliferation of hemopoietically active tissue or of tissue which has embryonic hemopoietic potential. They all involve dysregulation of multipotent MYELOID PROGENITOR CELLS, most often caused by a mutation in the JAK2 PROTEIN TYROSINE KINASE.,CSP: abnormal proliferation of hemopoietically active tissue or of tissue which has embryonic hemopoietic potential. | lld:umls |
