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[ Image ID:660 ]

■Detailed data

Materials bone marrow(BM)aspiration
Stain EST double staining
Microscopic findings Some of the abnoraml promyelocytes are positive for butyrate esterase staining.
Initially, they appear to resemble monocytoid cells, but there were rare cases of similar positivity in this case, and the appearance of dual positivity was also seen in the surrounding area.
【EST-double.400×】