Aspirate shows increased erythroid precursors, blasts, and a dysplastic myeloid precursor (Wright-Giemsa, 1000x)Aspirate shows increased erythroid precursors, blasts, and a dysplastic myeloid precursor (Wright-Giemsa, 1000x)
A subset of erythroid precursors shows megaloblastic change and cytoplasmic vacuoles (Wright-Giemsa, 1000x)A subset of erythroid precursors shows megaloblastic change and cytoplasmic vacuoles (Wright-Giemsa, 1000x)
A subset of erythroid precursors shows globular cytoplasmic staining with PAS (periodic acid-Schiff, 1000x)A subset of erythroid precursors shows globular cytoplasmic staining with PAS (periodic acid-Schiff, 1000x)
A subset of erythroid precursors shows diffuse cytoplasmic staining with PAS (periodic acid-Schiff, 1000x)A subset of erythroid precursors shows diffuse cytoplasmic staining with PAS (periodic acid-Schiff, 1000x)
Biopsy shows a hypercellular bone marrow (hematoxylin and eosin, 40x)Biopsy shows a hypercellular bone marrow (hematoxylin and eosin, 40x)
Biopsy shows increased erythroid precursors and clusters of immature cells (hematoxylin and eosin, 400x)Biopsy shows increased erythroid precursors and clusters of immature cells (hematoxylin and eosin, 400x)