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海绵窦海绵状血管瘤的CT和MRI诊断价值 被引量:3

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摘要 目的探讨海绵窦海绵状血管瘤的CT、MRI表现特征,以提高其诊断水平。方法回顾分析我院经手术病理证实的海绵窦海绵状血管瘤9例,均行头颅CT和MRI平扫及增强扫描。结果 7例病灶呈"哑铃形",2例呈圆形。所有病灶周围无水肿,内无钙化及囊变。CT平扫8例为均匀等或稍高密度,1例为不均匀高密度。MRI平扫T1WI 4例等、4例稍低、1例略高信号;T2WI 8例均匀高信号、1例混杂高信号。CT增强扫描呈均匀中度强化2例,显著强化7例。MRI增强9例均显著强化,其中4例增强早期强化不均匀,晚期呈延迟填充强化特征。DWI 6例等信号,稍高2例,混杂信号1例。ADC图均呈明显高信号,ADC值(1.48±0.34)×10-3 mm3/s。结论海绵窦海绵状血管瘤具有一定的CT、MRl表现特征,CT及MRl检查对海绵窦海绵状血管瘤诊断及鉴别诊断有重要价值。
作者 宋燕
出处 《中国实用神经疾病杂志》 2013年第13期48-49,共2页 Chinese Journal of Practical Nervous Diseases
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共引文献58

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