by the registry of hematopoietic malignancies in cote d'or we studied the 177 cases of myeloproliferative disorders diagnosed between 1980 and 1986 , divided into 4 groups : chronic myelogenous leukemia , idiopathic myelofibrosis , polycythemia vera , essential thrombocythemia .
C0027022
myeloproliferative disorders
C0001815
idiopathic myelofibrosis