An image from a peripheral blood smear demonstrating marked spherocytosis and polychromasia in hereditary spherocytosis (50X oil immersion). A nucleated red blood cell (center) and normal leukocytes can also be seen.
An image from a peripheral blood smear showing numerous small mature lymphocytes and smudge cells seen in a patient with CLL (50X oil immersion). Numerous spherocytes and increased polychromasia is also noted, indicating an auto-immune hemolytic process.
An image from a peripheral blood smear demonstrating blue dohle body-like inclusions in three neutrophils and a few large/giant platelets seen in a patient with May-Hegglin anomaly (50X oil immersion).