5. MR の現状と将来の課題(MRI 技術の最近における展開)

概要

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The MRI technique is now introduced in the clinical sites as a clinical diagnostic modality. As the NMR technique itself, it is still incomplete and is rapidly developping. In this paper, the problems of the presently existing MR technique are discussed especialy for the long examination time, moving artifact and the S/N ratio for the thin slice imaging. Based on these problems. the technique which is now going to be introduced in the clinical examination are explained. For the implimentation of these techniques and for the best use of them it is strongly required to accumulate the experiences and the deep technical considerations. These include fast scan imaging, the motion artefact suppression, 3D volume scan and MR angiography. In the lase part of the paper, we discuss the field where MR can take part in for the future clinical Medicine, which may include the fast imaging and the tissue characterization such like organ function analysis.
1990-01-01