Meningioma with high T2 signal

Case contributed by A.Prof Frank Gaillard

Presentation

Vague headaches for investigation.

Patient Data

Age: 45 years
Gender: Male
MRI

Extra axial homogeneously enhancing mass lesion with dural tail is seen overlying the right frontal cerebral convexity. It has very high T2 signal. No adjacent hyperostosis or bony change; no oedema. 

Case Discussion

These selected images of a meningioma demonstrate how vessels coursing through the subarachnoid space can help confirm that the mass is extra-axial. The high T2 signal nature of this meningioma is not typical, but seen in a number of histological variants, particularly secretory meningiomas, angiomatous meningiomas, chordoid meningiomas and microcystic meningiomas. Absent adjacent oedema makes secretory meningioma less likely. 

Unfortunately pathological proof is unavailable, however I believe this was confirmed. 

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Case information

rID: 18315
Case created: 29th Jun 2012
Last edited: 23rd Jan 2016
Inclusion in quiz mode: Excluded

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