体层ｔｏｍｏｇｒａｐｈｙ摄影又名断层摄影、分层摄影 ,它能使选定层面的组织影像清晰可见 ,而层面上下组织结构模糊不清 ,解决了各组织相互重叠的影响。体层摄影的质量保证 (ＱＡ) ,内容广泛 ,涉及面广。笔者就多年来的实践及本科室实行的工作计划 ,予以探讨 ,供同道们借鉴。 Tomography tomography, also known as tomography and layered photography, enables the organization of images at selected levels to be clearly visible, and the structure of the upper and lower layers of the body is obscure, and the effects of overlap between organizations are resolved. The quality assurance (QA) of tomography has a wide range of content and covers a wide range of areas. The author will discuss the practice and the work plan implemented by the undergraduate room over the years for the benefit of fellow practitioners.