Improved MR imaging of the orbit at 1.5 T with surface coils.

Improved MR imaging of the orbit at 1.5 T with surface coils.
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使用表面线圈改进了 1.5 T 轨道的 MR 成像。

DOI:
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发表时间:
1985
期刊:
AJR. American journal of roentgenology
影响因子:
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通讯作者:
L. Bilaniuk
L. Bilaniuk
中科院分区:
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文献类型:
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作者:
J. Schenck;H. Hart;T. Foster;W. Edelstein;P. Bottomley;R. Redington;C. Hardy;R. Zimmerman;L. Bilaniuk

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相似文献

一种用于获得局部高分辨率磁共振(MR)图像的眼睛和眼眶的方法被证明。该方法使用紧邻解剖结构放置的改良表面接收器线圈来检测MR信号。表面线圈为靠近身体表面的体素成像提供增强的灵敏度,同时限制接收到的患者产生的噪声。由此产生的信噪比的改善允许在3.4-5分钟的扫描时间内将成像体素大小减少到约0.5 X 0.5 X 5 mm。在此分辨率水平下,可以看到以前在MR图像中无法观察到的眼眶区域的解剖细节。
A method for obtaining localized high-resolution magnetic resonance (MR) images of the eye and orbit is demonstrated. The method uses modified surface receiver coils placed immediately adjacent to the anatomy to detect the MR signal. Surface coils provide enhanced sensitivity for imaging voxels close to the surface of the body while limiting the received patient-generated noise. The resulting improvement in signal-to-noise ratio allows for a reduction in the imaging voxel size to about 0.5 X 0.5 X 5 mm in scan times of 3.4-5 min. At this level of resolution, anatomic detail in the orbital region previously unobservable in MR images is seen.
DOI: 10.1136/bjo.67.6.333
发表时间: 1983
期刊: The British journal of ophthalmology
影响因子: --
作者:
Moseley,I;Brant-Zawadski,M;Mills,C
通讯作者: Mills,C