What is the role of a periodic acid-Schiff (PAS) stain in the workup of erythroleukemia?

Updated: Dec 16, 2018
  • Author: Beata Holkova, MD; Chief Editor: Emmanuel C Besa, MD  more...
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Periodic acid-Schiff (PAS) stain findings are usually positive in erythroblasts and abnormal erythroid precursors and negative in normal erythroid precursors of all stages of maturation.

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