高分辨率结构磁共振成像与定量磁化率成像
High-resolution Structural Magnetic Resonance Imaging and Quantitative Susceptibility Mapping.
作者信息
Yedavalli Vivek, DiGiacomo Phillip, Tong Elizabeth, Zeineh Michael
机构信息
Department of Radiology, Stanford University, 300 Pasteur Drive, Room S047, Stanford, CA 94305-5105, USA; Division of Neuroradiology, Johns Hopkins University, 600 N. Wolfe St. B-112 D, Baltimore, MD 21287, USA.
Department of Bioengineering, Stanford University, Lucas Center for Imaging, Room P271, 1201 Welch Road, Stanford, CA 94305-5488, USA.
出版信息
Magn Reson Imaging Clin N Am. 2021 Feb;29(1):13-39. doi: 10.1016/j.mric.2020.09.002.
High-resolution 7-T imaging and quantitative susceptibility mapping produce greater anatomic detail compared with conventional strengths because of improvements in signal/noise ratio and contrast. The exquisite anatomic details of deep structures, including delineation of microscopic architecture using advanced techniques such as quantitative susceptibility mapping, allows improved detection of abnormal findings thought to be imperceptible on clinical strengths. This article reviews caveats and techniques for translating sequences commonly used on 1.5 or 3 T to high-resolution 7-T imaging. It discusses for several broad disease categories how high-resolution 7-T imaging can advance the understanding of various diseases, improve diagnosis, and guide management.
与传统场强相比，高分辨率7T成像和定量磁化率成像能够提供更详细的解剖细节，这得益于信噪比和对比度的提高。深部结构的精细解剖细节，包括使用定量磁化率成像等先进技术描绘微观结构，有助于更准确地检测出在临床场强下难以察觉的异常发现。本文回顾了将1.5T或3T常用序列转换为高分辨率7T成像的注意事项和技术。它讨论了在几大类疾病中，高分辨率7T成像如何能够促进对各种疾病的理解、改善诊断并指导治疗。
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