耳鼻咽喉科領域の立体レ線撮影
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Recently we applied stereoradiography in the field of otorhinolaryngology and have reassessed its merits which are not evident in simple radiography or tomography, though the stereoradiography itself is not a novel method. Compared with tomography, stereoradiography is clearer by complement of two films and exposure time is short. Particular photographing devices are unnecessary as the site involved in the field of otorhinology does not move. Sites which overlap one another if taken by simple radiography become visible by stereoradiography. In the field of otorhinology in particular, it is quite easy to determine the exact position of the lesion as there are numerous osseous tissues.An important factor on taking a picture is the moving-distance of the tube lamp. Such should not exceed 10% of the photographing distance.Observation can be easily made by a handy typed prism stereoscope when naked eye observation is impossible. We therefore consider that stereoradiography has definite merits in the otorhinological field not only for advanced studies but also for clinical application, as the procedure is simple and easily facilitated.
- 耳鼻咽喉科臨床学会の論文
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