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University of Delaware - Hematology

Studies
Histogram

Histogram

Case History
The patient is a male who is 14 years-old. His ESR is 35 mm/hour.

Differential
    Neutrophils = 41%
    Monocyte = 4%
    Lymphocytes = 17%
    Atypical lymphocytes = 38%
Questions
1. What characteristics are used to identify lymphocytes as being atypical?

2. What type of infection (i.e., bacterial or viral) is most indicated by these results?

3. What other laboratory tests would be indicated for this patient?



Atypical lymphocytes
Yellow Bar
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