Approach to Leukocytosis

Increased Leukocytes Granulocytosis Lymphocytosis (See Lymphocytosis scheme) Acute Leukemia (Blast Cells, Anemia, Thrombocytopenia) Acute lymphoblastic leukemia Acute myeloblastic leukemia (May see Auer Rods on PBS) Neutrophilia (most common- See Neutrophilia scheme) Basophilia Eosinophilia Infection Allergies Chronic inflammation Chronic myelogenous leukemia Parasitic Infection Allergies Autoimmune disorders (ex. EGPA, IBD, RA, Sarcoidosis) Chronic myelogenous leukemia Hypereosinophilic syndromes DRESS* Neoplastic Reactive *Denotes acutely life-threatening condition