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Carotid Pseudoaneurysm - Radiology

last modified on: Tue, 08/22/2023 - 11:06

  • Partial or total distruption of the vessel wall with hemorrahege into the lumen
  • Can be saccular or fusiform in shape, usually 1-3 cm in size
  • On CT: vessel wall will be calcified if chronic on non-contrast; central luminal enhancement with visible clot seen with contrast
  • On MR: flow void seen on T1; complex flow patterns may be seen on T2; T1 post-contrast shows luminal enhancement
  • Most commonly seen with trauma in a 30-55 year-old

References

Prince JM, Gupta N, Kartis T, Tabrizi MB, Rosenthal MG. Management of a pseudoaneurysm of the left common carotid artery origin due to blunt trauma. J Trauma Acute Care Surg. 2020;89(6):e167-e169. doi:10.1097/TA.0000000000002940

Levin S, Sullivan T. Surgical repair of a common carotid artery pseudoaneurysm after minor blunt trauma. Ann Vasc Surg. 2013;27(2):. doi:10.1016/j.avsg.2012.10.009