Source:http://linkedlifedata.com/resource/umls/id/C0027022
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.