Peripheral blood smear from a patient with newly diagnosed chronic myeloid leukemia, showing three normal-appearing basophils. These cells differ from a neutrophil by the presence of coarse, dark blue-black granules. (Wright-Giemsa stain).
From: Brunning RD, McKenna RW. Tumors of the bone marrow. Atlas of tumor pathology (electronic fascicle), Third series, fascicle 9, 1994, Washington, DC. Armed Forces Institute of Pathology.