File:Atypical meningioma (WHO grade II) with brain invasion (Radiopaedia 57767-64766 T1 C+ 1).png

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Description	Radiopaedia case ID: 57767 Image ID: 35194219 Plane projection: T1 C+ Study findings: Magnified cropped views demonstrating the hyperostosis involving the inner table of the right frontal sinus, where the meningioma has grown through and created an extra-cranial component. Also, we can appreciate that the posterior margins of the tumor have some ill-defined segments, and flecks of enhancement are sen permeating the compressed adjacent brain parenchyma. Modality: Annotated image System: Central Nervous System Findings: There is a large right frontal region extra-axial tumor that is solid and hyperdense, with some flecks of peripheral calcification, cause significant mass effect pushing the adjacent brain parenchyma, with subfalcine herniation. The lesion causes a permeative frontal bone erosion/hyperostosis with an extra-cranial extension into the right paranasal sinus. A small lesion with similar characteristics, but smaller, is also present adjacent to the left anterior clinoid process.
Date	Published: 13th Jan 2018
Source	https://radiopaedia.org/cases/atypical-meningioma-who-grade-ii-with-brain-invasion
Author	Bruno Di Muzio
Permission (Permission-reusing-text)	http://creativecommons.org/licenses/by-nc-sa/3.0/

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current	07:30, 3 June 2021		513 × 554 (142 KB)	Fæ (talk \| contribs)	Radiopaedia project rID:57767 (batch #3241-2 B1)

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