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该老年病人患有与血小板减少有关的出血性疾患,其可能的病因多种多样。可将这些病因分类为血小板生成减少的疾病和血小板被破坏的疾病。前一类中,必须考虑下列疾病:白血病或其他恶性疾病(包括骨髓纤维变性)占据并取代了骨髓,毒性物质(如药物、化学物质或放射线)所致的骨髓增生障碍,任何原因引起的脾肿大,某些细菌和病毒感染,以及偶见的营养不良病,如维生素 B_(12)和维生素 C 的缺乏。
The elderly patient has hemorrhagic disorders associated with thrombocytopenia and may have a variety of causes. These causes can be classified as those with reduced platelet production and those with damaged platelets. In the former category, the following diseases must be considered: leukemia or other malignancies (including myelofibrosis) occupy and replace bone marrow, myeloproliferative disorders caused by toxic substances (such as drugs, chemicals or radiation), spleen caused by any cause Swollen, some bacterial and viral infections, and occasional malnutrition such as vitamin B 12 and vitamin C deficiency.