Department of Hematology Chang''an Hospital Xi''an 710000 Shanxi Province China;
Department of Hematology Chang''an Hospital Xi''an 710000 Shanxi Province China;
Department of Hematology Chang''an Hospital Xi''an 710000 Shanxi Province China;
Department of Hematology Chang''an Hospital Xi''an 710000 Shanxi Province China;
Chronic neutrophilic leukemia; Leukemia; Hyperplasia of interstitial neutrophil system; CSF3R; Case report; Hydroxyurea; Allopurinol;