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ID:20462127
大小:74.67 KB
页数:12页
时间:2018-10-13
《不典型脑膜瘤mri表现及误诊分析》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、【摘要】目的:探讨不典型脑膜瘤MRI表现,分析误诊原因,以提高不典型脑膜瘤MRI诊断准确率。方法:回顾性分析12例经病理证实的脑膜瘤病例,术前MRI均未将脑膜瘤列为第一诊断。所有病例均行MR平扫加增强扫描。结果:12例患者中,7例位于典型部位,5例位于不典型部位。其中9例第二或第三诊断为脑膜瘤,3例未诊断脑膜瘤。结论:不典型脑膜瘤MRI影像表现多样,缺乏典型征象,提高对其影像表现的认识可减少误诊。【关键词】不典型脑膜瘤;磁共振成像;误诊中图分类号R739.45文献标识码B文章编号1674-6805(2015)21-0062
2、-03【Abstract】Objective:ToinvestigatetheMRIfeaturesofatypicalmeningioma,toanalyzethereasonsofmisdiagnosisandimprovetheaccuracyrateofMRIindiagnosisofatypicalmeningioma.Method:12caseswithpathologicallyconfirmedmeningiomawereanalyzedretrospectively,whichwerenotlisteda
3、sthefirstdiagnosisinpreoperativeMRI.AllcasesunderwentMRplainscanandenhancedscan.Result:In12casestherewere7casesinthetypicalsites,5casesinatypicalsites;9caseswithsecondorthirddiagnosisofmeningioma,3caseswithoutdiagnosisofmeningioma.Conclusion:Atypicalmeningiomahasv
4、ariousMRIimagingmanifestationswithouttypicalsigns.Improvingtheunderstandingofitsimagemanifestationscanreducemisdiagnosis.【Keywords】Atypicalmeningioma;Magneticresonanceimaging;MisdiagnoseFirst-author'saddress:TheAffiliatedHospitalofZunyiMedicalCollege,Zunyi563003,C
5、hinadoi:10.14033/j.cnki.cfmr.2015.21.031脑膜瘤是颅内最为常见的脑外肿瘤,大多数脑膜瘤具有特征性的影像表现,诊断并不困难。但少数病例并不表现为熟知的典型影像征象,诊断有一定困难,且易误诊。本文收集12例经病理证实的脑膜瘤病例,分析其MRI表现及误诊原因,以提高对不典型脑膜瘤MRI表现的认识。1资料与方法1.1一般资料收集笔者所在医院12例经手术后病理证实为脑plainscanandenhancedscan.Result:In12casestherewere7casesinthetypi
6、calsites,5casesinatypicalsites;9caseswithsecondorthirddiagnosisofmeningioma,3caseswithoutdiagnosisofmeningioma.Conclusion:AtypicalmeningiomahasvariousMRIimagingmanifestationswithouttypicalsigns.Improvingtheunderstandingofitsimagemanifestationscanreducemisdiagnosis
7、.【Keywords】Atypicalmeningioma;Magneticresonanceimaging;MisdiagnoseFirst-author'saddress:TheAffiliatedHospitalofZunyiMedicalCollege,Zunyi563003,Chinadoi:10.14033/j.cnki.cfmr.2015.21.031脑膜瘤是颅内最为常见的脑外肿瘤,大多数脑膜瘤具有特征性的影像表现,诊断并不困难。但少数病例并不表现为熟知的典型影像征象,诊断有一定困难,且易误诊。本文收集12例
8、经病理证实的脑膜瘤病例,分析其MRI表现及误诊原因,以提高对不典型脑膜瘤MRI表现的认识。1资料与方法1.1一般资料收集笔者所在医院12例经手术后病理证实为脑膜瘤的病例,术前均行MRI平扫加增强扫描。其中男7例,女5例,年龄36〜68岁。术前MRI均未第一诊断为脑膜瘤。1.2检查方法采用德国西门子3.0
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