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脑肿瘤的 7.0T MRI 增强前后的早期经验。

Early experience of pre- and post-contrast 7.0T MRI in brain tumors.

机构信息

Department of Neurosurgery, Seoul National University Hospital, Seoul, Korea.

出版信息

J Korean Med Sci. 2013 Sep;28(9):1362-72. doi: 10.3346/jkms.2013.28.9.1362. Epub 2013 Aug 28.

DOI:10.3346/jkms.2013.28.9.1362
PMID:24015044
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC3763113/
Abstract

We investigated the safety and clinical applicability of 7.0 Tesla (T) brain magnetic resonance imaging (MRI) in patients with brain tumors. Twenty-four patients with intraaxial or extraaxial brain tumors were enrolled in this study. 7.0T MRIs of T2*-weighted axial and T1-weighted coronal or sagittal images were obtained and compared with 1.5T brain MRIs. The T2*-weighted images from 7.0T brain MRI revealed detailed microvasculature and the internal contents of supratentorial brain tumors better than that of 1.5T brain MRI. For brain tumors located in parasellar areas or areas adjacent to major cerebral vessels, flow-related artifacts were exaggerated in the 7.0T brain MRIs. For brain tumors adjacent to the skull base, susceptibility artifacts in the interfacing areas of the paranasal sinus and skull base hampered the aquisition of detailed images and information on brain tumors in the 7.0T brain MRIs. This study shows that 7.0T brain MRI can provide detailed information on the intratumoral components and margins in supratentorial brain tumors. Further studies are needed to develop refined MRI protocols for better images of brain tumors located in the skull base, parasellar, and adjacent major cerebrovascular structures.

摘要

我们研究了 7.0 特斯拉（T）脑部磁共振成像（MRI）在脑肿瘤患者中的安全性和临床适用性。本研究纳入了 24 例脑内或脑外肿瘤患者。获取了 T2*-加权轴位和 T1 加权冠状或矢状位 7.0T MRI，并与 1.5T 脑部 MRI 进行了比较。7.0T 脑部 MRI 的 T2*-加权图像比 1.5T 脑部 MRI 更能清晰显示脑肿瘤的微血管和内部结构。对于鞍旁区或毗邻主要脑血管的脑肿瘤，7.0T 脑部 MRI 中夸大了与血流相关的伪影。对于毗邻颅底的脑肿瘤，副鼻窦和颅底交界区的磁敏感伪影妨碍了详细的肿瘤图像和信息获取。本研究表明，7.0T 脑部 MRI 可以提供脑内肿瘤成分和边界的详细信息。需要进一步研究以开发更精细的 MRI 方案，以更好地显示颅底、鞍旁和毗邻主要脑血管结构的脑肿瘤。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3f1a/3763113/c6ae31bbeec0/jkms-28-1362-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3f1a/3763113/32bb4583adec/jkms-28-1362-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3f1a/3763113/6b25c1950bc1/jkms-28-1362-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3f1a/3763113/bfe0afde0883/jkms-28-1362-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3f1a/3763113/4a08ebf1b871/jkms-28-1362-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3f1a/3763113/ad85c2ac3cf7/jkms-28-1362-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3f1a/3763113/c6ae31bbeec0/jkms-28-1362-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3f1a/3763113/32bb4583adec/jkms-28-1362-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3f1a/3763113/6b25c1950bc1/jkms-28-1362-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3f1a/3763113/bfe0afde0883/jkms-28-1362-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3f1a/3763113/4a08ebf1b871/jkms-28-1362-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3f1a/3763113/ad85c2ac3cf7/jkms-28-1362-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3f1a/3763113/c6ae31bbeec0/jkms-28-1362-g006.jpg

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