X綫断层撮影用在诊断上有很大价值,近年来在国内外均得到广泛的采用。在国内,据知有许多医疗机构有断层撮影的设备,但也有的单位目前尚无此条件。过去我院放射科为了配合临床的需要,在普通的大型X綫机上进行了改装,于1955年3月改装成功,解决了不少问题。有关断层撮影的原理及断层撮影机的构造已为众所周知,因此本文仅 X-ray tomography used in the diagnosis of great value in recent years both at home and abroad have been widely adopted. In China, many medical institutions are known to have tomographic equipment, but some units do not currently have such conditions. In the past, our hospital radiology department in order to meet the clinical needs, in a large-scale X-ray machine was modified, in March 1955, successful conversion, to solve a lot of problems. The principle of tomography and the construction of a tomographic camera have been well known,