【摘要】：正再生障礙性貧血(Aplastic anemia,AA)是小兒常見貧血性疾病,分為先天性及獲得性;是一種多類病因和發(fā)病機制引起的骨髓造血功能衰竭征,主要表現(xiàn)為骨髓有核細胞增生低下、全血細胞減少及所致的貧血、出血和感染~([1])。西方國家發(fā)病率(1~2)/百萬,東方國家發(fā)病率約為西方國家的3倍左
[Abstract]:Positive aplastic anemia (Aplastic anemia,AA) is a common anemia disease in children, which is divided into congenital and acquired diseases. It is a kind of bone marrow hematopoietic failure syndrome caused by many kinds of etiology and pathogenesis, which is mainly characterized by low proliferation of bone marrow nucleated cells, reduction of whole blood cells and anemia, bleeding and infection. The incidence rate in western countries (1 鈮，

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