New York State Department of Health - Wadsworth Center - Cytohematology Proficiency Testing
Slide 113 [100X]
Five (5)
laboratories classified this cell as a giant platelet. Normal platelets are 1 to
4 µm in size. Large platelets are 4 to 7 µm and giant platelets are 7
to 8 µm or larger. For comparison, the size of a normal red blood cell is 7 µm
in diameter. Brown, B.A. Hematology: Principals and Procedures,
Lea & Febiger, Philadelphia, 1993, pp. 78-82.
|
Number
of Responses |
%
of Laboratories |
Cell
Code and Type |
|
446 |
98.7 |
Code:
51 Platelet |
|
5 |
1.1 |
Code: 52 Giant
platelet |
|
1 |
0.2 |
Code: 34 Elliptocyte |
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