Which cytochemical stain is used to detect acute megakaryoblastic leukemia (M7)?

Question

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Platelet peroxidase stain is used to detect the presence of megakaryoblasts and platelets in the bone marrow. This stain is especially helpful in detecting acute megakaryoblastic leukemia (M7), a subtype of acute myeloid leukemia (AML) where the blasts show megakaryocytic differentiation. Other stains like Myeloperoxidase, SBB or TdT are used for differentiating between other types of leukemia.

Which Cytochemical Stain Is Used to Detect Acute Megakaryoblastic Leukemia