| A | B |
| Acanthocyte | Cell with irregular long projections |
| Acanthocyte | sporadically seen with severe liver disease or post-splenectomy; seen with rare disorder of abetalipoproteinemia |
| Acanthocyte | seen with rare disorder of abetalipoproteinemia |
| Anisocytosis | Variation in size of RBC's |
| Babesiosis | Similar to ring forms of malaria |
| Basophilic-stippling | Small aggregates of RNA are seen as small blue dots in the RBC |
| Basophilic-stippling(fine) | may be a feature of reticulocytes |
| Basophilic-stippling(coarse) | toxic marrow damage; myelodysplasia & thalassemias |
| Tear-drop-cell | prominent in myelofibrosis and myelophthisic conditions |
| Target cell | seen with liver disease |
| Target cell | intervening pallor due to ^redundancy of RBC membrane |
| Stomatocyte | Cell with slit-like central pallor |
| Stomatocyte | non-specific or an artefact |
| Stomatocyte | many are seen with rare hereditary |
| Schistocyte | microangiopathic hemolytic anemias (DIC; TTP) |
| Schistocyte | irregularly shaped seen with intravascular hemolysis |
| Schistocyte | A variant called a "helmet cell" appears cut in half |
| Spherocyte | suggests AI hemolytic anemia |
| Spherocyte | Small round dense cell without central pallor |
| hereditary-spherocytosis | increased osmotic fragility |
| Sideroblast | Non-nucleated RBC with stainable iron |
| Reticulocyte | Young RBC's with increased RNA content |
| Reticulocyte | precipitated by supravital staining for id & # |
| Polychromatophilia | bluish tint to young RBC's w/high RNA content |
| Poikilocytosis | Variation in shape of RBC's |
| Pappenheime-body | Multiple |
| Pappenheime-body | seen when spleen is absent and with iron overload |
| Microcytosis | Cells with decreased MCV |
| Microcytosis | typical of iron deficiency anemia and thalassemias |
| Macrocytosis | Cells with increased MCV |
| Macrocytosis | ovoid in megaloblastic anemias |
| Plasmodium infection | seen as "ring forms"; stippling and gametocytes |
| Hypochromia | typical of iron deficiency |
| Hypochromia | Cells with decreased MCH |
| Howell-Jolly-body | seen when spleen is absent |
| Howell-Jolly-body | Small |
| Heinz-body | Pcpttd Hgb seen only after supravital staining |
| Heinz-body | perimembranous blue dot |
| Heinz-body | seen with some hemoglobinopathies |
| macrocyte | liver disease, alcoholism |
| liver disease, alcoholism | stomatocyte |
| target cell | iron deficiency, hemoglobinopathy |
| pencil cell | iron deificinecy |
| microsphereocyte | septicemia |
| fragments | DIC, TPP, HUS |
| burns | fragments |
| microangiopathy, cardiac valves | RBC fragments |
| poikilocyte | myelofibrosis |
| extramedullary hemopoiesis | poikilocyte |
| basket cell | oxidant damage ex: G6PD def., unsatble hemoglobin |
| normoblast | marrow/DNA, RNA |
| reticulocyte | marrow/blood/ RNA |
| mature RBC | marrow, blood / no RNA or DNA |