Myelofibrosis-Mayo Clinic October 17, 2012[email protected] http://www.youtube.com/watch?v=DxKPasVMN1o Myelofibrosis, also known as myeloid metaplasia, chronic idiopathic myelofibrosis, and primary myelofibrosis, is a disorder of the bone marrow, in which the marrow undergoes fibrosis – replacement by fibrous (scar) tissue (collagen).
