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本病在日本的发病率,在中野等人病理检查的病例中占24%。临床上决不低于此值。由于阻塞肺动脉的栓子的大小、阻塞的面积及发病急缓的不同,其症状颇不一致,可有无症状者,也可有因严重循环障碍在短时间内死亡者。因基础疾患和临床检查结果的繁多,所以在生前往往难以明确诊断。随着医务人员对本病的认识和诊断技术的提高,本病的临床发生率亦将增加。这是一个值得重视的疾患。一、肺栓塞的病理和分类其病理变化是由内在的或外部的物质形成栓子并阻塞肺动脉所致。血栓大多在静脉系统形成,发生游离时即成为栓子。栓塞的部位多在右肺且多在下叶。
The incidence of this disease in Japan, Nakano et al. Pathological examination of cases accounted for 24%. Clinically no lower than this value. Due to the size of the pulmonary embolus blocking the obstruction of the area and the onset of acute and slowly different, the symptoms are quite inconsistent, may have asymptomatic, but also because of severe circulatory disorders in a short time of death. Due to the wide range of underlying conditions and clinical examination results, it is often difficult to confirm the diagnosis before birth. With the understanding of the medical staff and the diagnosis of the disease technology, the clinical incidence of this disease will also increase. This is a disease that deserves attention. First, the pathology and classification of pulmonary embolism Its pathological changes are caused by the formation of emboli and internal or external substances caused by the pulmonary artery. Thrombosis mostly in the formation of the venous system, when free occurs as an embolus. More embolism in the right lung and more in the lower lobe.