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[ Image ID:1172 ]

■Detailed data

Materials bone marrow(BM)aspiration
Stain EST double staining
Microscopic findings The granulocytic cells show positive for chloroacetate esterase staining (blue), whereas monocytic cells show negative for butyrate esterase staining.
This case diagnosed AML-M4 with negative a butyrate esterase staining.
【EST-double staining.1000x】