气管一支气管额面体层摄影的改进河南漯河市第一人民医院放射科宋太民在气管一支气管额面体层摄影时，气管的前后部分有胸骨、胸椎和纵隔，采用纵向直线方式摄影时，其长轴往往与Ｘ线管摆动方向相一致，结果在气管层面像上，必然会有胸骨、脊柱、纵隔的线条状阴影。使气管... Trachea a bronchial frontal topography improved Henan Luohe First People’s Hospital Department of Radiology Song Taimin tracheal bronchial frontal photography, the trachea before and after the sternum, thoracic and mediastinum, the use of longitudinal straight-line photography, the long axis Often in line with the direction of the X-ray tube swing, the results in the tracheostomy image, there will inevitably have sternum, spine, mediastinal line-shaped shadow. Make trachea ...