慢性病贫血常为轻度的非进行性贫血,病程一般在一个月以上。它常继发于慢性感染、恶性肿瘤或自家免疫疾病所致的炎症。红细胞在形态上通常为正常色素和正常红细胞;偶为低色素性、小红细胞。其特点是血清铁减少,血清总铁结合力降低,铁与铁结合力的比率中度降低,网状内皮细胞铁的贮存正常或增加,骨髓内的铁粒幼细胞(Sideroblast)减少。临床和实验室检查 Chronic anemia often mild non-progressive anemia, duration of more than a month in general. It is often secondary to chronic infections, malignancies or autoimmune diseases caused by inflammation. Erythrocytes in morphology is usually normal pigment and normal red blood cells; even for the hypochromic, red blood cells. It is characterized by reduced serum iron, reduced serum total iron binding capacity, moderately reduced iron to iron binding capacity, normal or increased iron storage in reticuloendothelial cells, and reduced sideroblasts in the bone marrow. Clinical and laboratory tests