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颅脑表皮样囊肿MRI特征表现及优势分析

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摘要 目的:通过颅脑表皮样囊肿MRI表现的回顾性分析,总结本病的MRI特征及优势,提高本病的MRI诊断准确性。方法:收集通过临床手术证实,明确为表皮样囊肿的25例患者MRI检查资料,对其MRI表现及MRI优势进行分析。结果:25例表皮样囊肿患者的MRI表现为桥小脑角旁、鞍上池、四叠体池及岩斜区旁沿蛛网膜下腔匐行生长异常信号影,形态不规则。桥小脑角旁、鞍上池、四叠体池及岩斜区旁病灶MRI表现呈"见缝就钻"特性,且DWI(扩散加权成像,b=800s/mm2)呈高信号是最有特征性影像学表现。结论:MRI常规及功能成像典型的影像学表现,有助于本病的早期诊断及鉴别诊断,可减少临床误诊;诊断颅脑表皮样囊肿采用MRI扫描较CT明显占优,可为临床提供更准确的诊断。
作者 马学文
出处 《甘肃医药》 2016年第7期513-515,共3页 Gansu Medical Journal
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