Wednesday, August 11, 2010

Peripheral Blood Smear (PS)

Peripheral Blood Smear(PS) - RBCs


Peripheral smear is done for typing anemia, to confirm red blood cells (RBC) indices or indicate leukemia or other conditions,

RBC inclusions

Basophilic or polychromatophilic macrocytes ( < 15 in healthy persons, increased in erythropoiesis due to hemorrhage or hemolysis); microcytes with stippling (thalassemia, lead poisoning); Cabot's rings (severe hemolytic anemias, pernicious anemia [ PA]); Howell – Jolly bodies(megaloblastic anemia, thalassemia, hyposplenism, splenectomy); Pappenheimer bodies (Sideroblastic anemia, thalassemia, lead poisoning, pyridoxine unresponsive or responsive anemias); Heinz bodies (congenital G – 6 PD deficiency, drug induced hemolytic anemias); Plasmodium trophozoites(malaria); reticulocyte.

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