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乳腺癌化疗后继发急性髓性/自然杀伤细胞白血病1例及文献复习 被引量:4

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摘要 目的:加深对急性髓性/自然杀伤细胞白血病(myeloid/natural killercell acute leukemia,MY/NKAL)的认识。方法:报告1例乳腺癌化疗后继发MY/NKAL,并进行文献复习。结果:该例MY/NKAL在形态、组织化学染色、免疫分型上类似于急性早幼粒细胞白血病变异型,胞浆内可见细小的嗜苯胺蓝颗粒,过氧化物酶染色阳性,同时表达髓系(CD33,CD13,MPO)和NK细胞(CD56)相关抗原,CD16(-),HLA-DR(-),两次染色体检查均见复杂异常核型,但未见t(15;17)、PML/RARα基因。临床上有浸润症状(淋巴结肿大、皮肤结节性浸润),全反式维甲酸及三氧化二砷治疗无效,HA方案化疗有一定疗效。患者最终因严重心衰、肺部感染、弥散性血管内凝血死亡。结论:MY/NKAL是一种特殊类型的急性白血病,极易误诊为急性早幼粒细胞白血病变异型,但两者具有不同的细胞遗传学、分子生物学特征。正确鉴别两者,对于选择何种治疗方案及判断预后有重要意义。
出处 《实用医学杂志》 CAS 2007年第5期706-708,共3页 The Journal of Practical Medicine
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