we have studied the histology of the bone marrow ( bm ) in all the four entities of mpd : chronic myeloid leukemia ( cml ) with its subtype , chronic megakaryocytic granulocytic myelosis ( cmgm ) , polycythemia vera ( pv ) , hemorrhagic thrombocythemia ( ht ) and myeloid metaplasia with myelofibrosis ( mmm ) .
C0005953
bone marrow
C0032463
polycythemia vera