Megaloblastic Anemia (Hypersegmented Neutrophils) Megaloblastic anemia is often a result of Vitamin B-12 or folate deficiency, it is characterized by the presence of I, ovalocytes (oval-shaped RBCs) and II, hypersegmented neutrophils, on peripheral blood...
Megaloblastic Anemia (Oval macrocytes) Megaloblastic anemia is often a result of Vitamin B-12 or folate deficiency, it is characterized by the presence of I, ovalocytes (oval-shaped RBCs) and II, hypersegmented neutrophils, on peripheral blood smear.
Sickle Cell Anemia Elongated, crescent-shaped and sickle RBCs. Note target cells (arrow) and Howell-Jolly body (both due to autosplenectomy secondary to repeated splenic infarcts). (Courtesy of Dr. M. Reis)
Microangiopathic Hemolytic Anemia Fragmented RBCs (schistocytes). Note Helmet cell and triangle-shaped cell (arrows).
Small, round, densely staining red blood cells with no central area of pallor.
