File:Basilar artery perforator aneurysm (Radiopaedia 82455-99523 G 11).jpg

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Basilar_artery_perforator_aneurysm_(Radiopaedia_82455-99523_G_11).jpg ‎(320 × 320 pixels, file size: 74 KB, MIME type: image/jpeg)

Summary:

Description
  • Radiopaedia case ID: 82455
  • Image ID: 53891801
  • Image stack position: 11/72
  • Plane projection: Axial
  • Aux modality: T1 vibe +contrast
  • Study description: 4 week follow-UP MRI head
  • Study findings: The 4-week follow-up MRI shows persistent hemosiderin capping on SWI. T1W hyperintensity in the saccular aneurysm related to blood products, but no real flow sign in TOF angiography where the saccular signal is due instead to T1 shine through effect. Further there is subacute ischemia of the pons with no diffusion restriction. The patient was asymptomatic for this, likely ischemia related to spontaneous occlusion of the basilar perforator aneurysm. Direct angiogram is still required to assess aneurysm occlusion or persistence.
  • Modality: MRI
  • System: Interventional
  • Findings: Perimesencephalic subarachnoid hemorrhage.
Date Published: 19th Oct 2020
Source https://radiopaedia.org/cases/basilar-artery-perforator-aneurysm
Author Yves Leonard Voss
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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