| 摘要 |
An X-ray CT apparatus for reconstructing images based on transmitted X-ray detection data acquired by emitting a conical X-ray beam from around an object and outputted from a flat panel X-ray sensor. In advance of CT imaging, a reconstruct area for CT imaging is displayed on a display monitor as superimposed on a fluoroscopic image acquired by irradiating the object with X rays emitted from a selected direction around the object. The operator can determine, before executing the CT imaging, whether a site of interest to be imaged is within the reconstruct area, thereby reliably acquiring CT images of desired sections.
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