Present and future clinical position of magnetic resonance imaging

Present and future clinical position of magnetic resonance imaging
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磁共振成像的现状和未来临床地位

DOI:
10.1002/mrm.1910030402
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发表时间:
1986
影响因子:
3.3
通讯作者:
R. Steiner
R. Steiner
中科院分区:
医学3区
文献类型:
--
作者:
R. Steiner

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五年前出现第一份磁共振成像 (MRI) 临床报告后,现在人们对这种新成像技术的临床价值进行了盘点,并评估了其未来潜力。比较了 CT 和 MRI 的对比度和空间分辨率以及特异性,并分析了 MRI 相对于 CT 的序列多样性、多平面设施和灵活性。评估了 MRI 相对于 CT 在某些中枢神经系统疾病研究中的主导作用及其局限性。在这种情况下,还评估了顺磁造影剂的有用性。讨论了身体成像的困难。对克服心脏和呼吸运动伪影的解决方案进行了评估,并确定了 MRI 已经实现高水平临床应用的领域。提及了可通过MRI获得的附加信息,例如钠成像、血流测量以及成像与光谱学的组合。分析了未来可能的前景,例如高分辨率成像、常用序列的替代序列,特别是短 T1 红外序列 (STIR)、化学位移成像以及利用磁化率进行成像的可能性。解决了射频接收器线圈的设计问题以及磁场的选择问题。强调 MRI 与现有非侵入性技术的未来关系。 © 1986 学术出版社
Following the appearance of the first clinical reports on magnetic resonance imaging (MRI) five years ago, stock is now taken of the clinical value of this new imaging technique and its future potential is assessed. Contrast and spatial resolution as well as specificity of CT and MRI are compared and the multiplicity of sequences, multiplanar facility, and flexibility of MRI over CT are analyzed. The dominant role of MRI over CT in the study of some disorders of the central nervous system is assessed and so are the limitations. In this context the usefulness of paramagnetic contrast media is also evaluated. The difficulties of body imaging are discussed. The solutions of overcoming cardiac and respiratory motions artifacts are evaluated and areas where MRI has already achieved a high level of clinical application are identified. Mention is made of additional information obtainable by MRI as, for example, sodium imaging, blood flow measurements, and the combination of imaging with spectroscopy. Possible future prospects are analyzed, for example, high‐resolution imaging, alternative sequences to those commonly used in particular the short T1 IR se‐quence (STIR), chemical shift imaging, and the possibility of utilizing susceptibility for imaging purposes. The problem of radiofrequency receiver coil design is approached and so is the choice of magnetic fields. The future relationship of MRI with established non‐invasive techniques is stressed. © 1986 Academic Press, Inc.
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