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The significance of MR cisternography in the evaluation of cerebrospinal rhinorrhea

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Author:: No author available

Journal Title:: CHINESE JOURNAL OF RADIOLOGY

Issue:: 8

DOI:: 10.3760/j.issn:1005-1201.2005.08.010

Key Word:: 脑脊液鼻漏;鼻窦;磁共振成像;体层摄影术,X线计算机

Abstract：目的研究MR脑池造影术(MRC)显示脑脊液鼻漏的能力,并比较分析高分辨率CT (HRCT)、CT脑池造影术(CTC)和MRC显示脑脊液鼻漏的优缺点.方法 18例怀疑脑脊液鼻漏的患者分别行HRCT和MRC,同时10例成功进行CTC,对照手术结果比较分析3种方法显示脑脊液鼻漏的准确性.结果 18例患者手术共发现29个瘘口;18例患者术前HRCT显示25个瘘口,与手术相符的瘘口数为18个(18/29);18例患者术前MRC显示24个瘘口,与手术相符的瘘口数为21个(21/29).10例患者术前CTC显示12个瘘口,手术共发现18个瘘口,与手术相符的瘘口数为11个(11/18),手术发现而CTC未显示的瘘口数为7个.经统计学分析,三种方法显示脑脊液瘘口的差异无统计学意义(P>0.05).结论 HRCT和MRC都是无损伤性的、简单易行的检查方法,二者结合起来可较准确地显示脑脊液鼻漏及其瘘口,可取代有损伤性的、费时的CTC.

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