图1. 急性白血病骨髓和皮肤浸润细胞特殊染色（×1000）.
A：患者白血病初发时骨髓涂片；B：发生皮肤浸润时针吸细胞学（FNAC）检查细胞涂片，可见与骨髓涂片相似的白血病细胞；C：急性白血病皮肤浸润细胞HLA-DR免疫组化染色，证实原始细胞；D：急性髓系白血病（AML）（M5除外）皮肤浸润细胞过氧化物酶染色；E：急性淋巴细胞白血病皮肤浸润细胞过碘酸雪夫染色；F：AML-M5皮肤浸润细胞α-丁酸萘酚酯酶染色
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