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二例脑膜纤维黄色瘤的影像表现
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- Author:
- No author available
- Journal Title:
- Chinese Journal of Radiology
- Issue:
- 5
- DOI:
- 10.3760/cma.j.issn.1005-1201.2012.05.028
- Key Word:
- No keyword available
Abstract： 例1男,16岁.因发现头部包块半年,于2010年8月10日入院.患者于半年前偶然发现左侧颞部头皮包块,直径约1 cm,质软,触之无波动感,推之不能移动,按压无疼痛,未予重视;后包块进行性增大并出现压痛.体检见左侧颞部头皮包块,直径约3.5 cm,质软,压痛,触之无波动感,推之不能移动.余无特殊.CT检查示左颞部肿块伴骨质破坏(图1),考虑恶性肿瘤.MR检查见左颞部肿块累及邻近骨质,其内侧缘清晰光整,邻近脑实质受压;肿块信号不均匀,其内可见不规则长T1、短T2信号影,增强后除上述不均匀信号区无强化外,其余均明显强化,并可见典型脑膜尾征;考虑为脑膜瘤(图2).
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