Page 146 - Clinical Hematology Atlas
P. 146

130    SECTION THREE  ERYTHROCYTES

                                       HEREDITARY ELLIPTOCYTOSIS

                                                       Peripheral Blood:  .25% elliptocytes, usually .60%
                                                         elliptocytes; indices are normocytic,
                                                         normochromic
                                                       Associated with:  Red cell membrane defects

                                                       VARIANTS OF ELLIPTOCYTOSIS
                                                       Hemolytic
                                                         Peripheral Blood:  Microelliptocytes, schistocytes,
                                                            spherocytes
                                                         Associated with:  Red cell membrane defects
                                                       Pyropoikilocytosis
                                                         Peripheral Blood:  Elliptocytes, schistocytes,
                                                            microspherocytes (see Figure 11-4, B).
            A                                            Associated with:  Red cell membrane defects
            FIGURE 13–11A  Hereditary elliptocytosis (PB
            3500).



















            B                                          C
            FIGURE 13–11B  Hereditary pyropoikilocytosis—  FIGURE 13–11C  Hereditary pyropoikilocytosis—
            before incubation (PB 3500).               with incubation at 41° to 45° C for 1 hour
                                                       (PB 3500).
   141   142   143   144   145   146   147   148   149   150   151