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Related Experiment Video

Updated: Jun 30, 2026

A Magnetic Resonance Imaging-based Computational Protocol for Analysis of Plaque Morphology and Hemodynamics in Patients with Carotid Artery Stenosis
09:36

A Magnetic Resonance Imaging-based Computational Protocol for Analysis of Plaque Morphology and Hemodynamics in Patients with Carotid Artery Stenosis

Published on: August 12, 2025

Pulsatile tinnitus associated with internal carotid artery morphologic abnormalities.

Aristides Sismanis1, Alexander Girevendoulis

  • 1Department of Otolaryngology-Head, Virginia Commonwealth University Medical Center, Richmond, Virginia, USA. asismanis@aol.com

Otology & Neurotology : Official Publication of the American Otological Society, American Neurotology Society [And] European Academy of Otology and Neurotology
|September 27, 2008
PubMed
Summary

Internal carotid artery abnormalities like tortuosity and coiling can cause pulsatile tinnitus (PT). CT angiography helps diagnose these vascular issues, differentiating them from other conditions.

Related Experiment Videos

Last Updated: Jun 30, 2026

A Magnetic Resonance Imaging-based Computational Protocol for Analysis of Plaque Morphology and Hemodynamics in Patients with Carotid Artery Stenosis
09:36

A Magnetic Resonance Imaging-based Computational Protocol for Analysis of Plaque Morphology and Hemodynamics in Patients with Carotid Artery Stenosis

Published on: August 12, 2025

Area of Science:

  • Vascular Neurology
  • Neuroradiology
  • Otolaryngology

Background:

  • Morphologic abnormalities of the internal carotid artery, such as tortuosity and coiling, are potential causes of pulsatile tinnitus (PT).
  • Accurate diagnosis is crucial to distinguish these findings from more severe vascular pathologies.

Purpose of the Study:

  • To report three cases of internal carotid artery morphologic abnormalities presenting with PT.
  • To propose clinical and radiologic diagnostic criteria for these conditions.

Main Methods:

  • Case series involving three patients presenting with PT.
  • Clinical evaluation including head and neck auscultation.
  • Computed tomography angiography (CTA) of the head and neck was performed for all patients.

Main Results:

  • Two patients exhibited head bruit or objective tinnitus.
  • No symptoms of cerebral ischemia were observed.
  • All patients were diagnosed with internal carotid artery tortuosity below the cranial base; one also had coiling.

Conclusions:

  • Internal carotid artery morphologic abnormalities can be associated with PT.
  • Clinical assessment combined with CTA of the head and neck aids in differentiating these abnormalities.
  • Cerebral ischemia symptoms necessitate vascular surgery consultation.