T细胞大颗粒淋巴细胞白血病伴纯红细胞再生障碍性贫血1例

Journal of Clinical Hematology(2011)

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Abstract
<正>大颗粒淋巴细胞(LGL)是淋巴细胞的一种亚群。正常情况下,LGL占外周血单个核细胞的10%~15%。根据功能和免疫表型,LGL可分为:①CD3+LGL,代表活化的细胞毒T淋巴细胞;②CD3-LGL,代表自然杀伤细胞。而大颗粒淋巴细胞白血病(large granular lymphocytic leukemia,LGLL)就是起源于这两类细胞的克隆性疾病。临床分为T细胞型LGLL和NK细胞型LGLL,无论T细胞或NK细胞亚型临床上均可表现为惰
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