眼外肌的正常对比增强：脂肪抑制磁共振成像表现
Normal contrast enhancement of extraocular muscles: fat-suppressed MR findings.
作者信息
Amano Y, Amano M, Kumazaki T
机构信息
Department of Radiology, Nippon Medical School, Tokyo, Japan.
出版信息
AJNR Am J Neuroradiol. 1997 Jan;18(1):161-4.
Abstract
PURPOSE
To evaluate contrast enhancement of normal extraocular muscles in the orbit.
METHODS
Noncontrast and contrast-enhanced T1-weighted images of the orbit were acquired using a fat-suppression MR technique in eight patients with no orbital disease. Contrast enhancement of 64 extraocular muscles was evaluated and compared with that of 16 temporal muscles.
RESULTS
Compared with temporal muscles, all extraocular muscles markedly enhanced after administration of contrast material.
CONCLUSIONS
Because normal extraocular muscles enhanced markedly with contrast material, more attention should be paid to these muscles when using contrast-enhanced, fat-suppressed T1-weighted MR imaging to evaluate pathologic conditions.
摘要
目的
评估眼眶内正常眼外肌的对比增强情况。
方法
对8例无眼眶疾病的患者采用脂肪抑制磁共振技术获取眼眶的平扫及增强T1加权图像。评估64条眼外肌的对比增强情况，并与16条颞肌的对比增强情况进行比较。
结果
与颞肌相比，注射对比剂后所有眼外肌均有明显增强。
结论
由于正常眼外肌在注射对比剂后有明显增强，因此在使用对比增强脂肪抑制T1加权磁共振成像评估病理情况时，应更加关注这些肌肉。
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