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急性髓性白血病的FAB分型是以骨髓细胞形态为依据。当骨髓增生极度活跃或骨髓纤维化时,穿刺容易失败,而且涂片不能反映骨髓的组织结构和基质情况,因而FAB分型在判断预后及指导治疗方面的意义受到限制。由于塑料包埋、Romanowsky染色等新技术的应用,可以得到良好的骨髓组织切片,不仅可以象涂片一样详细观察骨髓造血细胞的形态,而且可以观察骨髓活体状态时的增生程度和组
FAB typing of acute myelogenous leukemia is based on myeloid cell morphology. When bone marrow hyperplasia is extremely active or myelofibrosis, puncture is easy to fail, and the smear can not reflect the bone marrow tissue structure and matrix conditions, so the FAB typing in the judgment of the prognosis and the guiding significance of the treatment is limited. Due to the plastic embedding, Romanowsky staining and other new technologies, we can get a good bone marrow biopsy, not only as detailed smear as bone marrow hematopoietic cells morphology, and can observe the status of bone marrow hyperplasia and group