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).

