A myeloid neoplasm that is located in the bone marrow which results in bone marrow being replaced by fibrous (scar) tissue. [ url:http://en.wikipedia.org/wiki/Myelofibrosis ]
Synonyms: Megakaryocytic myelosclerosis, primary myelofibrosis, myelosclerosis, bone Marrow Fibrosis, Agnogenic myeloid metaplasia, Aleukemic myelosis
OMIM mapping confirmed by DO. [SN].