例1.男,10个月。进行性贫血2个月,家族中无类似病史。重度贫血外貌,心、肺正常,肝肋下2cm,脾肋下1cm。血红蛋白52g/L,网织9.6%,有核红细胞19%,成熟红细胞大小不一,中心区浅染,异形细胞27.6%,呈椭圆形、泪滴状、靶形、碎片等。骨髓象:有核红细胞增生,明显活跃,粒/红=0.27:1。红细胞系统增生显著,铁粒幼细胞93%,比率3.43,环形5%。诊断:溶血性贫血伴铁粒幼细胞性贫血。经叶酸、VB_6和强的松等治疗15天,血红蛋白上升至 Example 1. Male, 10 months. Progressive anemia 2 months, no similar family history. Severe anemia appearance, heart, lung normal liver ribs 2cm, 1cm spleen ribs. Hemoglobin 52g / L, reticulated 9.6%, nucleated red blood cells 19%, mature red blood cells in different sizes, the center of lightly stained, shaped cells 27.6%, oval, teardrop-shaped, target-shaped, fragments and so on. Bone marrow: nucleated erythrocyte hyperplasia, significantly active, grain / red = 0.27: 1. Erythrocyte system hyperplasia, iron granules 93% of young cells, the ratio of 3.43, ring 5%. Diagnosis: hemolytic anemia with iron granulocytic anemia. After treatment with folic acid, VB_6 and prednisone for 15 days, hemoglobin rose to