Pdgfrb-Associated Chronic Eosinophilic Leukemia, also known as chronic myelomonocytic leukemia with eosinophilia associated with t(5;12), is related to hypereosinophilic syndrome, and has symptoms including fatigue, fever and night sweats. The drugs Lenograstim and Omacetaxine mepesuccinate have been mentioned in the context of this disorder. Affiliated tissues include myeloid and spleen.