The five types of Human Leukocytes (60%)NEUROPHILS Lymphocytes (30%) Monocytes (7%) Eosinophils (2%) Basophils(1%) PLASMA CEII Platelets (“Thrombocytes”) Erythrocytes Erythrocytes Abnormalities Rouleaux: Poikilocytosys Microcytes, Target Cells: Spherocytes Schistocytes (Fragments): Reticulocytes Ovalocytes Leukocyte (WBC) Abnormalities Hypersegmented Toxic granulation Döhle bodies Blasts: Acute Leukemia Acute Myeloid Leukemia (with Auer Rod) Chronic Myeloid Leukemia (CML) Chronic Lymphocytic Leukemia (CLL) Hairy Cell Leukemia (HCL) Plateles Abnormalities Platelet Clumping (EDTA artifact) Thrombocytosis Types of Bone Marrow Collection