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再生障碍性贫血 中西医治疗进展. 中医内科教研室. 概念. 再生障碍性贫血( aplastic anemia,AA) 简称再障,是由于化学、物理、生物因素及不明原因引起的骨髓造血干细胞、造血微环境损伤以及免疫机制改变,导致骨髓造血功能衰竭,出现以全血细胞减少为特征的疾病。临床上常表现为贫血、出血和感染,根据病情进展的快慢、严重性以及病变广泛程度不同,临床表现各异。. 再障病因. 1 、药物 ( 1 )和药物剂量有关,系药物毒性作用,达到一定剂量就会引起骨髓抑制,一般是可逆的,如各种抗肿瘤药等 (甲氨蝶呤、阿糖胞苷、雌激素、苯妥英钠)。. 再障病因. - PowerPoint PPT Presentation
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(aplastic anemia,AA),
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