颅内脑膜瘤在液体衰减反转恢复序列图像上的硬脑膜尾征。
The dural tail of intracranial meningiomas on fluid-attenuated inversion-recovery images.
作者信息
Takeguchi T, Miki H, Shimizu T, Kikuchi K, Mochizuki T, Ohue S, Ohnishi T
机构信息
Department of Radiology, Ehime University School of Medicine, Shitsukawa, Shigenobucho, Onsengun, 791-0295, Onsengun, Ehime, Japan.
出版信息
Neuroradiology. 2004 Feb;46(2):130-5. doi: 10.1007/s00234-003-1152-4. Epub 2004 Jan 28.
We evaluated the "dural tail" associated with 48 intracranial meningiomas on fluid-attenuated inversion-recovery (FLAIR) and contrast-enhanced T1-weighted images. In 30 (62.5%), a dural tail was observed on contrast-enhanced T1-weighted images, and thickening of the dura mater and abnormal signal were identified in the corresponding region on FLAIR images. Thus, FLAIR imaging was useful for showing dural abnormality associated with meningiomas without the needed for contrast medium.
我们在液体衰减反转恢复（FLAIR）和对比增强T1加权图像上评估了48例颅内脑膜瘤相关的“硬膜尾征”。在30例（62.5%）中，对比增强T1加权图像上观察到硬膜尾征，并且在FLAIR图像上相应区域发现硬脑膜增厚和异常信号。因此，FLAIR成像对于显示脑膜瘤相关的硬膜异常很有用，无需使用造影剂。
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