File:Arteriovenous malformation - cerebral (Radiopaedia 8172-14682 A 1).jpg

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Summary:

Description
  • Radiopaedia case ID: 8172
  • Image ID: 175575
  • Image stack position: 1/17
  • Plane projection: Axial
  • Aux modality: C+ arterial phase
  • Study description: CT angiography
  • Study findings: MIP CTA confirms the presence of a left temporal lobe arteriovenous malformation (AVM) which appears to receive the vast majority of its supply from the left middle cerebral artery. Contribution from the posterior cerebral artery is although likely via the lateral posterior choroidal arteries. Contribution from anterior cerebral artery and meningeal arteries cannot be excluded. Drainage appears to be predominantly superficial, over the temporal lobe and into the transverse / sigmoid sinus. The superior petrosal sinus appears plump and likely also provides some drainage.
  • Modality: CT
  • System: Central Nervous System
  • Findings: Non contrast CTB demonstrates a region of irregular density in the left temporal lobe, slightly hyperdense to adjacent white matter. A few flecks of calcification are seen within it. The left internal carotid artery (ICA) and middle cerebral branches appear enlarged, and there is the suggestion of enlarged tubular structures over the surface of the temporal lobe.
Date Published: 17th Jan 2010
Source https://radiopaedia.org/cases/arteriovenous-malformation-cerebral-1
Author Frank Gaillard
Permission
(Permission-reusing-text)		 http://creativecommons.org/licenses/by-nc-sa/3.0/

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

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