Cases occur in people of all ages. The disease is more common in males than females.
Chronic eosinophilic leukemia
Acute eosinophilic leukemia
Tropical eosinophilia
Thymoma with immunodeficiency
Diffuse infiltrative lymphocytosis syndrome
Hemophagocytic lymphohistiocytosis
Mast cell leukemia
Hereditary pyropoikilocytosis