A 57-year-old male was admitted to the hospital with suspicion of AML. Preliminary CBC results show a high WBC count with 47% blasts present. Cytochemical staining shows negative reactions with MPO, SBB, and NSE. Platelet peroxidase staining was positive
Immunophenotyping was also ordered.
Predict the results of the immunophenotyping panel based on the information already given.
a. Positive reactions with CD13, CD33, and CD34
b. Positive reactions with CD41, CD42, and CD61
c. Positive reactions with HLA-DR and CD13
d. Positive reactions with CD11b and CD14
Correct Answer: B
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