Segmental agenesis of the internal carotid artery distal to the posterior communicating artery leading to the definition of a new embryologic segment

Philippe Gailloud, Richard E. Clatterbuck, Jean H D Fasel, Rafael J Tamargo, Kieran J. Murphy

Research output: Contribution to journalArticle

Abstract

We report a case of segmental agenesis of the right internal carotid artery (ICA) in a 53-year-old woman, associated with a saccular aneurysm of the left anterior cerebral artery (A1 segment) presenting with a right hemispheric transient ischemic attack. The agenetic segment was located distal to the origin of the posterior communicating artery (PComA), as documented both angiographically and by direct surgical inspection. This observation suggests the existence of a previously unrecognized embryologic segment of the ICA, located between the PComA origin and the terminal bifurcation of the ICA into the anterior and middle cerebral arteries.

Original languageEnglish (US)
Pages (from-to)1189-1193
Number of pages5
JournalAmerican Journal of Neuroradiology
Volume25
Issue number7
StatePublished - Aug 2004

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Internal Carotid Artery
Anterior Cerebral Artery
Arteries
Transient Ischemic Attack
Middle Cerebral Artery
Aneurysm

ASJC Scopus subject areas

  • Clinical Neurology
  • Radiology Nuclear Medicine and imaging
  • Radiological and Ultrasound Technology

Cite this

Segmental agenesis of the internal carotid artery distal to the posterior communicating artery leading to the definition of a new embryologic segment. / Gailloud, Philippe; Clatterbuck, Richard E.; Fasel, Jean H D; Tamargo, Rafael J; Murphy, Kieran J.

In: American Journal of Neuroradiology, Vol. 25, No. 7, 08.2004, p. 1189-1193.

Research output: Contribution to journalArticle

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