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多发性骨髓瘤克隆演变1例并文献复习 被引量:3

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摘要 目的:探讨多发性骨髓瘤(MM)克隆演变的临床特点、生物学特征和预后。方法:报告1例在治疗过程中发生克隆演变的MM患者的临床、实验室特征、治疗经过、克隆演变特点、预后,并结合文献复习进行讨论。结果:患者骨髓浆细胞占25%,免疫固定电泳单克隆IgAκ(IgA 15.9 g/L),有多处骨质破坏,Durie-Salmon分期为ⅢB期。包括沙利度胺、硼替佐米等方案化疗4个疗程后达部分缓解。巩固化疗过程中,M蛋白(IgA)和血κ轻链下降的同时,出现肝脏、脾脏、皮肤等髓外浸润,伴血β2微球蛋白升高、骨髓MM细胞比例增加和骨髓MM细胞形态改变,后续强烈化疗无效,病情快速进展,1个月后死于多器官功能衰竭。结论:MM在治疗过程中M蛋白下降的同时出现肿瘤负荷增加,提示可能发生克隆演变,常伴髓外浸润,对治疗不敏感,预后差。
出处 《临床血液学杂志》 CAS 2010年第5期560-562,共3页 Journal of Clinical Hematology
基金 国家自然科学基金(No:30900645)
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参考文献6

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同被引文献19

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