system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
Specific stain for myeloblasts is:
assistant
The correct answer is  Lymphoblast: PAS positive.
Myeloblast: Sudan black, myeloperoxidase and non-specific esterase.

 “MPO is specific for myeloid differentiation. Sudan Black B reactivity is similar to MPO in myeloblasts and monoblasts. The specificity of Sudan Black is less than MPO.”