患者在长达12年的病程中一直以贫血为主要症状,长期按贫血治疗无效,因此首先需分析导致贫血的原因是什么。一、缺铁性贫血此为贫血中最常见的类型,女性更为多见,但(1)患者无缺铁或慢性失血的病史;(2)缺铁性贫血为低色素性,小细胞性贫血,而从本例血红蛋白、红细胞计数及红细胞压积计算之平均红细胞体积、平均红细 Patients with anemia as the main symptom in the course of up to 12 years, long-term anemia treatment ineffective, it is first necessary to analyze what causes anemia. First, the iron deficiency anemia This is the most common type of anemia, women are more common, but (1) patients with no history of iron deficiency or chronic blood loss; (2) iron deficiency anemia is hypochromic, small cell anemia , And from the case of hemoglobin, red blood cell count and hematocrit average volume of red blood cells, the average red thin