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MRI对比增强FLIAR序列与T1WI增强对脑转移瘤的诊断差异性 被引量:1

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摘要 目的探讨MRI对比增强液体衰减反转恢复(FLIAR)序列与T1WI增强对脑转移瘤的诊断差异性。方法30例患有原发性恶性肿瘤且临床怀疑有脑转移的患者,在静脉注射双倍量Gd-DTPA(0.2mol/kg)前、后行T1WI和FLAIR序列扫描。比较增强前、后T1WI和FLAIR显示脑转移病变的数目大小和位置,并分析两者间偏差的原因。结果30例中有25例出现异常强化病灶,增强后T1WI显示78个病灶,增强后FLAIR显示70个病灶。3例增强后FLAIR较增强后T1WI显示的病灶多,21例两者相同,6例增强后FLAIR显示的病灶少于增强后T1WI。结论增强FLAIR对浅表皮质及软脑膜转移灶的检出和诊断更具优势,与T1WI增强结合可有效提高检出率。
出处 《中国临床实用医学》 2010年第8期120-121,共2页 China Clinical Practical Medicine
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参考文献7

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二级参考文献15

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