File:Anaplastic meningioma with recurrence (Radiopaedia 34452-35789 Axial FLAIR 22).png

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Anaplastic_meningioma_with_recurrence_(Radiopaedia_34452-35789_Axial_FLAIR_22).png ‎(512 × 512 pixels, file size: 168 KB, MIME type: image/png)

Summary:

Description
  • Radiopaedia case ID: 34452
  • Image ID: 11215353
  • Image stack position: 22/23
  • Plane projection: Axial
  • Aux modality: FLAIR
  • Study findings: 6x1.0 cm (axial) acute infarct in right corona radiata immediately adjacent to lateral ventricle body. There is associated bright FLAIR signal. Within the limits of non-contrast study, no extra-axial tumor recurrence is seen around the right middle cranial fossa. There are gliosis and atrophy in the adjacent right frontal and temporal lobes. The extent of underlying white matter bright flair/T2 signal has however increased markedly, now extending posteriorly to the trigonal area (where previously it was fairly localized to around the anterior horn region). Radiotherapy can potentially produce this appearance.
  • Modality: MRI
  • System: Oncology
  • Findings: Erosion of the lateral aspect of the right greater wing of sphenoid and adjacent squamous temporal bone is noted. Aggressive regional periosteal reaction is noted in the region. Associated with this is a contrast-enhancing irregular shaped extra-axial mass conforming to the contour of the sphenoid wing. This is a solitary lesion. There is moderate underlying vasogenic edema. No midline shift. Basal cisterns are not effaced. Conclusion: Aggressive extra-axial mass centered on the right sphenoid wing with osseous invasion. Atypical meningioma is favored with invasive dural metastasis (e.g. prostate primary) remaining a differential.
Date Published: 22nd Feb 2015
Source https://radiopaedia.org/cases/anaplastic-meningioma-with-recurrence
Author Rajalakshmi Ramesh
Permission
(Permission-reusing-text)		 http://creativecommons.org/licenses/by-nc-sa/3.0/

Licensing:

Attribution-NonCommercial-ShareAlike 3.0 Unported (CC BY-NC-SA 3.0)

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current22:15, 2 May 2021Thumbnail for version as of 22:15, 2 May 2021512 × 512 (168 KB)Fæ (talk | contribs)Radiopaedia project rID:34452 (batch #1735-22 A22)

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