What cytochemical stains are negative in ALL but positive in AML?
A) PAS and myeloperoxidase
B) PAS and Sudan Black B
C) Nonspecific esterase and myeloperoxidase
D) Acid phosphatase and PAS

Question

Quizplus · Accepted Answer

Nonspecific esterase and myeloperoxidase are cytochemical stains that are typically negative in Acute Lymphoblastic Leukemia (ALL) but positive in Acute Myeloid Leukemia (AML), helping to differentiate between these two types of leukemia.

What Cytochemical Stains Are Negative in ALL but Positive in AML