Aspirate shows increased erythroid precursors with marked nuclear membrane irregularity (Wright-Giemsa, 500x)Aspirate shows increased erythroid precursors with marked nuclear membrane irregularity (Wright-Giemsa, 500x)
Aspirate shows increased erythroid precursors and a myeloid population undergoing orderly maturation (Wright-Giemsa, 1000x)Aspirate shows increased erythroid precursors and a myeloid population undergoing orderly maturation (Wright-Giemsa, 1000x)
A subset of erythroids show megaloblastic change and mild cytoplasmic vacuolization (Wright-Giemsa, 1000x)A subset of erythroids show megaloblastic change and mild cytoplasmic vacuolization (Wright-Giemsa, 1000x)
Core biopsy shows crush artifact and patchy cellularity (hematoxylin and eosin, 40x)Core biopsy shows crush artifact and patchy cellularity (hematoxylin and eosin, 40x)
Preserved areas of core biopsy predominantly composed of erythroid precursors (hematoxylin and eosin, 400x)Preserved areas of core biopsy predominantly composed of erythroid precursors (hematoxylin and eosin, 400x)