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Case report
Republished: Separate origins of the left internal and external carotid arteries from the aortic arch and cervical internal carotid artery aneurysm in a patient with Noonan syndrome
  1. Rizwan Ahmad Tahir1,
  2. Karam Asmaro1,
  3. Aqueel Pabaney1,
  4. Max Kole2,
  5. Timothy Nypaver3,
  6. Horia Marin4
  1. 1Department of Neurosurgery, Henry Ford Hospital, Detroit, Michigan, USA
  2. 2Department of Neurosurgery, Henry Ford Health System, Detroit, Michigan, USA
  3. 3Department of Vascular Surgery, Henry Ford Hospital, Detroit, Michigan, USA
  4. 4Department of Interventional Neuroradiology, Henry Ford Hospital, Detroit, Michigan, USA
  1. Correspondence to Dr R A Tahir, Department of Neurosurgery, Henry Ford Hospital, 2799 W Grand Boulevard, Detroit, MI 48202, USA; rtahir1{at}


Distinct origins of the external carotid artery and the internal carotid artery (ICA) from the aortic arch have been rarely described, and represent an aberrant development of the aortic arches during fetal life. This anatomical variation is usually discovered incidentally; infrequently, an aneurysm of the cervical ICA might accompany this rare configuration. We describe one such case in a patient with Noonan syndrome who presented with pulsatile neck mass. The diagnostic features and management of the aneurysm and a review of the literature are presented.

  • Aneurysm
  • CT
  • Artery
  • Genetic
  • Neck
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