MRI
T1 fat sat
Modality: MRI (T1 fat sat)

- “ Vertebral artery dissection on the right with a prominent crescent sign.  This case was donated to Radiopaedia.org by Radswiki.net ”

Used in the following article:

  • Vertebral artery dissection - “ Vertebral artery dissection, like arterial dissection elsewhere, is a result of blood entering the media through a tear in the intima. It is poten...”
  • Crescent sign of arterial dissection - “ The crescent sign refers to the high signal crescent seen in the wall of a vessel when dissected. This may be seen both on T1 or T2 sequences depe...”

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