Meningioma MRI

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Meningioma Microchapters


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Differentiating Meningioma from other Diseases

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Case #1

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] Associate Editor(s)-in-Chief: Ifeoma Odukwe, M.D. [2] Haytham Allaham, M.D. [3]


MRI with gadolinium is the investigation of choice for the diagnosis of meningioma. On MRI, meningioma is characterized by a homogeneous, well circumscribed, and extra-axial mass with a broad dural base. Other findings on MRI suggestive of meningioma include CSF vascular cleft sign, dural tail sign, and central necrosis or calcification that do not enhance. Meningiomas may appear different on T1 and T2-weighted sequence but with a few similarities.


Head MRI may be helpful in the diagnosis of meningioma. Findings on MRI suggestive of/diagnostic of meningioma include:[1]

  • On T1-weighted sequence:
  • Isointensity to slight hypointensity relative to grey matter
  • Extensive dural thickening in meningioma en plaque
  • Uniform low signal intensity in microcystic meningiomas
  • On T2-weighted sequence:
  • Isointensity to slight hyperintensity relative to grey matter
  • Calcification showing as areas of low signal intensity
  • High signal intensity in microcystic meningiomas


MRI showing meningioma in the cerebellopontine angle source:Case courtesy of A.Prof Frank Gaillard, <a href=""></a>.

MRI showing cystic meningioma source:Case courtesy of A.Prof Frank Gaillard, <a href=""></a>.

MRI showing meningioma in the craniocervical junction source:Case courtesy of Dr Mohammad Taghi Niknejad, <a href=""></a>.

MRI showing multiple meningiomas source:Case courtesy of Dr Paresh K Desai , <a href=""></a>.

MRI showing meningioma with a dural tail source:Case courtesy of A.Prof Frank Gaillard, <a href=""></a>.

MRI showing a meningioma in the third ventricle source:Case courtesy of A.Prof Frank Gaillard, <a href=""></a>.


  1. Watts J, Box G, Galvin A, Brotchie P, Trost N, Sutherland T (2014). "Magnetic resonance imaging of meningiomas: a pictorial review". Insights Imaging. 5 (1): 113–22. doi:10.1007/s13244-013-0302-4. PMC 3948902. PMID 24399610.

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