High-field MRI of the Central Nervous System : Current Approaches to Clinical and Microscopic Imaging

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概要

• 論文の詳細を見る

• Introduction of clinical high-field MRI has raised interest in the use of clinical imaging—the efficacy of which has not yet been fully established—in daily practice. A high signal-to-noise ratio and profound susceptibility effects can improve the spatial resolution and image contrast of clinical imaging, whereas the heating effects of the radio frequency tend to prolong acquisition time. As well, inhomogeneities in the static or local magnetic fields can have a negative effect on image quality. The T1 prolongation may affect T1 contrast yet improve the enhancement effect of gadolinium chelate and the inflow effect of MR angiography. High-contrast imaging, such as the short inversion-time inversion recovery technique, can provide excellent intra- and extracerebral contrast comparable to microscopic or macroscopic specimens. High-field systems can also be applied to microscopic imaging. High-field MRI is expected to have an increased clinical impact in the near future. Technological advances tailored to high-field systems, as well as the accumulation of scientific evidence, will be necessary to establish its predominance over conventional MRI.

• 日本磁気共鳴医学会の論文
• 2003-10-01

著者

• OGAWA Akira

  Department of Neurosurgery, Iwate Medical University School of Medicine

• INOUE Takashi

  Department of Neurosurgery, School of Medicine, Iwate Medical University

• 佐々木 真理

  岩手医科大学放射線科

• SASAKI Makoto

  Department of Radiology, Iwate Medical University

• Sasaki Makoto

  Department Of Radiology Iwate Medical University

• Ogawa Akira

  Department Of Neurosurgery Iwate Medical University

• TOHYAMA Koujiro

  Centers for EM and Bio-Imaging Research, Iwate Medical University

• EHARA Shigeru

  Department of Radiology, Iwate Medical University

• TOHYAMA Koujiro

  Department of Neuroanatomy, Iwate Medical University

• OIKAWA Hirobumi

  Department of Radiology, Iwate Medical University

• Ehara Shigeru

  Department Of Radiology Iwate Medical University

• Tohyama Koujiro

  Centers For Em And Bio-imaging Research Iwate Medical University

• Tohyama Koujiro

  Department Of Anatomy Iwate Medical University

• Sasaki Makoto

  Department Of Gastroenterology And Metabolism Nagoya City University Graduate School Of Medical Scie

• Sasaki Makoto

  Departments Of Neurosurgery Iwate Medical University School Of Medicine

• Ogawa Akira

  Department Of Biochemistry Gunma University Graduate School Of Medicine

• Oikawa Hirobumi

  Department Of Radiology Iwate Medical University

• Ogawa Akira

  Department Of Applied Chemistry Graduate School Of Engineering The University Of Tokyo

• Sasaki Makoto

  Department Of Biochemistry Ii Nagoya City University Medical School

• Sasaki Makoto

  Deparment Of Mathematical System Science Faculty Of Science And Technology Hirosaki University

• Inoue Takashi

  Department Of Neurosurgery Iwate Medical University

• Inoue Takashi

  Department Of Neurosurgery Kohnan Hospital

• Inoue Takashi

  Department Of Anatomy Kyoto Prefectural University Of Medicine

• Inoue Takashi

  Department Of Agricultural Engineering Faculty Of Agriculture Hokkaido University

• INOUE Takashi

  Department of Agricultural Chemistry, Faculty of Agriculture, The University of Tokyo

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