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病例 #29

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患者信息: 65 岁, 女性
检查指征: 头痛

病例 #29

影像所见

CT

MRI

带注释的图像和插图

Typical CT appearance of an olfactory groove meningioma, which is hyperattenuating relative to the brain parenchyma (red arrow) and demonstrates adjacent hyperostosis (yellow arrow).

Typical CT appearance of an olfactory groove meningioma, which is hyperattenuating relative to the brain parenchyma (red arrow) and demonstrates adjacent hyperostosis (yellow arrow).

Typical MRI appearance of an olfactory groove meningioma, which is relatively isointense on T1 (red arrow) and T2 (yellow arrow) and demonstrates restricted diffusion (blue arrows).

Typical MRI appearance of an olfactory groove meningioma, which is relatively isointense on T1 (red arrow) and T2 (yellow arrow) and demonstrates restricted diffusion (blue arrows).

Internal spoke-wheel vascularity on postcontrast imaging (red arrow).

Internal spoke-wheel vascularity on postcontrast imaging (red arrow).

诊断

脑膜瘤

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鉴别诊断

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讨论

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要点

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参考文献

  • Lyndon D, Lansley JA, Evanson J, Krishnan AS. Dural masses: meningiomas and their mimics. Insights Imaging 2019; 10: 11.
  • Smith AB, Horkanyne-Szakaly I, Schroeder JW, Rushing EJ. From the radiologic pathology archives: mass lesions of the dura: beyond meningioma—radiologic-pathologic correlation. Radiographics 2014; 34: 295-312.

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