Which two stains are used to differentiate the myeloid from the lymphoid blasts?
A) MPO and SBB
B) PAS and LAP
C) Acid phosphatase and LAP
D) Toluidine blue and reticulin stain

Question

Quizplus · Accepted Answer

MPO (myeloperoxidase) and SBB ( Sudan Black B) stains are used to differentiate the myeloid from the lymphoid blasts. MPO is positive in myeloid blasts while SBB is positive in both myeloid and some lymphoid blasts. The other stain choices do not differentiate myeloid from lymphoid blasts specifically.

Which Two Stains Are Used to Differentiate the Myeloid from the Lymphoid