摘要:目的探讨颅内SFT/HPC与脑膜瘤的MRI鉴别特点。方法回顾性分析7例颅内SFT/HPC和18例脑膜瘤的MRI资料。结果①7例SFT/HPC位于幕上3例,幕下3例,鞍区1例;均呈不规则、深分叶;平扫均呈等/低信号,伴囊变坏死者1例,增强后明显强化;6例与脑膜窄基底相连、1例宽基底相连;均伴有脑膜尾征及不同程度瘤周水肿;②18例脑膜瘤位于幕上8例,幕下7例,鞍区3例;15例呈类圆形,3例伴有分叶;平扫17例呈等/低信号、明显较均匀强化,1例不均匀强化;均与脑膜宽基底相连,并伴有脑膜尾征;5例有伴有瘤周水肿。结论颅内SFT/HPC与脑膜瘤的MRI表现有一定的特异性差别,有助于术前鉴别诊断。
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