| 摘要 |
PROBLEM TO BE SOLVED: To enable lower exposure to radiation in photography when contrast examination of a subject is carried out by an X-ray CT device. SOLUTION: In a scan planning picture S21 for setting a range of photography of contrast examination, in place of a scout image acquired for positioning the subject, a tomographic image of high picture quality obtained by photography of simple examination normally carried out before the contrast examination, for example, a coronal image P2Ci, a sagittal image P2Sj, or an axial image P2Ak of the subject, is displayed. An operator draws a frame R2y of the range of photography of the contrast examination on the tomographic images, for setting a range R2 of photography. A slice surface of a tomographic image to be displayed is variable by a slide bar Bc. COPYRIGHT: (C)2010,JPO&INPIT
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