File:Cerebellar infarct due to vertebral artery dissection with posterior fossa decompression (Radiopaedia 82779-97029 Axial non-contrast 2).png

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Cerebellar_infarct_due_to_vertebral_artery_dissection_with_posterior_fossa_decompression_(Radiopaedia_82779-97029_Axial_non-contrast_2).png ‎(512 × 512 pixels, file size: 80 KB, MIME type: image/png)

Summary:

Description
  • Radiopaedia case ID: 82779
  • Image ID: 53610265
  • Image stack position: 2/30
  • Plane projection: Axial
  • Aux modality: non-contrast
  • Modality: CT
  • System: Central Nervous System
  • Findings: Non-contrast study is largely normal although, with the benefit of the perfusion findings, it is possible to vaguely make out hypodensity in the PICA territory on the right. A hyperdense "dot" is present posterior to the medulla and in the inferior 4th ventricle that suggests a hyperdense artery sign. Perfusion maps demonstrate an area of reduced CBF and CBV and elevated MTT and TTP conforming to the right PICA territory. CT angiography confirms non-opacification for the right PICA. The right vertebral artery is irregular as it passes through the dura consistent with a dissection.
Date Published: 5th Oct 2020
Source https://radiopaedia.org/cases/cerebellar-infarct-due-to-vertebral-artery-dissection-with-posterior-fossa-decompression
Author Frank Gaillard
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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current21:17, 15 July 2021Thumbnail for version as of 21:17, 15 July 2021512 × 512 (80 KB)Fæ (talk | contribs)Radiopaedia project rID:82779 (batch #6651-2 A2)

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