PMC7071880_01
Cytologic smears. (A) Isolated mononucleated and binucleated cells, some with cytoplasmic granules (Wright stain, x400). (B) Amyloid-like materials (Wright stain, x400).
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In the background, small foci of pink materials resembling amyloid were present (Figure 1).
Cytologic smears. (A and B) Round cells with multiple Auer rods in the cytoplasm (arrow) (A, Wright stain, x400 and B, Wright stain, x1000).
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In the cytoplasm of rare cells, multiple eosinophilic rods resembling Auer rods of neoplastic myeloblasts were also detected (Figure 2).
Histologic section. Sheets of neoplastic cells with stippled chromatin and amyloid deposition (H&E stain, x400).
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Pathology sections showed a neoplastic lesion composed of sheets of round cells with stippled chromatin and amyloid deposition (Figure 3).