The Expression of Several Antigens from Two Different Lineages Complicates

The expression of several antigens from two different lineages complicates the categorizing the diagnosis as AML or ALL. This biphenotypic expression toward more than one lineage restricts the use of immunophenotyping. In differentiating AML and ALL, staining with which of the following cytochemical stains indicates AML?

A) PAS
B) Giemsa
C) Myeloperoxidase
D) Thiazole orange

Correct Answer:

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