纵观放射学诊断文献的大部分主要是病例报道，而为数不多的研究工作仅出现在新技术新产品试验和应用的栏目下。对放射学诊断利弊的分析应有一个具体的基础病例数，下面介绍几个统计量，主要是在每一设计中进行回顾性和前瞻性研究并与其它设计的价值作相应的比较。 Throughout most of the radiological diagnosis literature mainly case reports, and a small number of research work only appears in the new technology and new product testing and application section. The analysis of pros and cons of radiological diagnosis should include a specific number of underlying cases. Here are a few statistics that are mainly retrospective and prospective studies in each design and compared with the values ​​of other designs accordingly.