| 摘要 |
PROBLEM TO BE SOLVED: To easily seize the photographing timing through an inflow image of a contrast medium to a subject by displaying a difference image between the newest image and a stored master image among a series of magnetic resonance images, and displaying the difference image based on the master image indicated to be renewed by an indicating means on a monitor. SOLUTION: When indicating a start of MR photographing, after initial processing, an absolute value difference image is displayed on an image display area 21 of a first image screen as a monitor image 10. Next, a monitor scan starting button B5 on an operation button area 22 is pressed down to start monitor scan operation by an MRI device, and an initially obtained first image is stored as a master image. Net, the contrast medium is injected into the subject, an image of the subject is made at a prescribed interval, and an image by extracting only the contrast medium being a difference image between this image and the master image is displayed. The display is switched to a display of an ordinary reconstituting image by pusing down a button B1, and is switched to a display of a raw data difference image by pressing down buttons B2, B4.
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