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CHAPTER 30 ■ Instrumentation in Hematology 645
CASE STUDIES (continued)
CASE STUDIES (continued)
■ Leukocyte Differential Examination ■ Absolute Cell Counts
Cell Type % Patient Reference
Units Value Range
Neutrophils (band neutrophils + polymorphonuclear 58
segmented neutrophils [PMNs]) Neutrophils 10 /µL 2.96 2.0–8.0
3
Lymphocytes 35 Lymphocytes 10 /µL 1.79 1.0–5.0
3
Monocytes 4 ■ Critical Thinking Group Discussion Questions
Eosinophils 2 1. Are any o the laboratory values abnormal?
Basophils 1
2. Why are the absolute cell counts important data?
Total 100
3. Should additional laboratory assays be ordered?
VOL RBC PLI
WBC/
BASO
ABS
Neutrophil Eos inophil Bas ophil
Blood s mear Red blood cells and platelets
Lymphocyte Monocyte
(Reprinted rom Cohen BJ, Wood DL. Memmler’s T e Human Body in Health and Disease,
9th ed, Philadelphia, PA: Lippincott Williams & Wilkins, 2000, with permission.)
(continued)
