脑静脉畸形的MRI诊断 |
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引用本文: | 解明,宋段,柴宇宁,马占姝,吴冠和.脑静脉畸形的MRI诊断[J].中国CT和MRI杂志,2011,9(1):25-27. |
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作者姓名: | 解明 宋段 柴宇宁 马占姝 吴冠和 |
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作者单位: | 内蒙古赤峰学院附属医院CT/MRI室,024000 |
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摘 要: | 目的探讨MRI对脑静脉畸形(CVM)的诊断价值。方法收集我院9例CVM患者资料进行回顾性分析。3例行CT平扫检查,9例行MRIT1WI、T2WI、T2FLAIR、T1WI增强扫描,其中有3例行3DTOFMRA扫描,2例行VENBOLDSENSE扫描。结果 CVM位于幕下5例,幕上4例。3例CT平扫均未见CVM直接征象,其中2例发现异常病灶,1例未见异常。5例MRI平扫显示髓静脉呈长T1长T2信号,中央静脉干呈长T1短T2信号或长T1长T2信号,FLAIR上髓静脉为稍高信号,中央静脉干为稍低信号或稍高信号,增强呈典型的"水母"征或"树根"征表现。2例MRI平扫显示条管状流空低信号,增强呈条状高信号。1例MRI平扫显示类圆形等长T1、等长T2信号,中心可见流空信号。增强MRA显示髓静脉呈放射状汇入中央静脉并见引流入上矢状窦。1例术前只诊断为血管畸形,未能明确分型。结论 MRI多序列成像对脑静脉畸形绝大多数可明确诊断,MRI增强及VENBOLDSENSE序列是发现脑静脉畸形最敏感的方法,应做为CVM的首选检查方法。
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关 键 词: | 脑 脑静脉畸形 磁共振成像 VENBOLD |
MRI diagnosis of cerebral venous malformation (CVM) |
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Authors: | XIE Ming SONG Duan CHAI Yu-ning |
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Institution: | XIE Ming,SONG Duan,CHAI Yu-ning,et al. Department of CT/MRI,The Affiliated hospital of Chifeng Institute,Chifeng 024000,China |
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Abstract: | Objective To investigate the value of MRI in diagnosis of cerebral venous malformation (CVM). Methods 9 cases in our hospital patients with CVM data were analyzed retrospectively. 3 routine CT scan examination, 9 routine MRI T1WI, T2WI, T2FLAIR, T1WI enhanced scan, of which three routine 3D TOF MRA scans, two routine VEN BOLD SENSE scan. Results 5 cases were the infratentorial, 4 cases of supratentorial. 3 cases CT scan showed no direct signs of CVM, including two cases of unusual lesions, 1 case was normal... |
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Keywords: | VEN BOLD |
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