Transient obstruction of the internal carotid artery during angiography

De Witte T. Cross, Brent T. Allen

Research output: Contribution to journalArticlepeer-review

1 Scopus citations


Summary: While performing carotid angiography in a 76-year-old man, we found that the right internal carotid artery repeatedly opened and closed during the examination. The patient experienced no related neurologic events. The explanation, confirmed at surgery, was that a flap associated with an atherosclerotic plaque had acted as a ball valve.

Original languageEnglish
Pages (from-to)1186-1188
Number of pages3
JournalAmerican Journal of Neuroradiology
Issue number6
StatePublished - Jun 1997
Externally publishedYes


  • Angiography, complications
  • Arteries, carotid, internal


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