| 摘要 |
PROBLEM TO BE SOLVED: To provide an MRI apparatus enabling optimum measurement for velocity distribution of a portion which is an object of photographing in 3D angiography measurement. SOLUTION: A measurement is made of velocity distribution of a portion to be photographed by using a pulse sequence to which are added flow encode and read out-inclined magnetic field in the slice direction of the sequence that is an object of photographing (202). Based on the velocity distribution thus obtained and by using a calculation formula, a region is automatically divided in the slice direction so as to enable to measure the slice increased in thickness with an increase in the velocity (203, 204). A higher quality 3D angiography image can be taken by making 3D angiography measurement 205 and reconstructing, using the above data.
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