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Related Experiment Video

Updated: Mar 8, 2026

A Magnetic Resonance Imaging-based Computational Protocol for Analysis of Plaque Morphology and Hemodynamics in Patients with Carotid Artery Stenosis
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Pulsatile tinnitus and carotid artery dissection.

Yuya Shimizu1, Masato Yagi2

  • 1Department of Otolaryngology, Tokyo Teishin Hospital, 2-14-23, Fujimi, Chiyoda-ku, Tokyo 102-0071, Japan; Department of Otolaryngology, Head and Neck Surgery, University of Tokyo, 7-3-1, Hongo, Bunkyo-ku, Tokyo 113-8655, Japan.

Auris, Nasus, Larynx
|January 28, 2017
PubMed
Summary
This summary is machine-generated.

Pulsatile tinnitus can be the sole symptom of internal carotid artery dissection, a rare condition. This case highlights the importance of considering cervical artery dissection in patients presenting with isolated pulsatile tinnitus.

Keywords:
Carotid artery dissectionMRAPartial Horner’s syndromePearl and string signPulsatile tinnitus

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Area of Science:

  • Neurology
  • Vascular Medicine
  • Otolaryngology

Background:

  • Carotid artery dissection is a rare vascular emergency often presenting with diverse neurological symptoms.
  • Commonly associated symptoms include head and neck pain, Horner's syndrome, and transient ischemic attacks.
  • Pulsatile tinnitus is an infrequent presenting symptom of carotid artery dissection.

Observation:

  • A 38-year-old male presented with a 4-day history of left-sided pulsatile tinnitus following a stumble.
  • No other neurological or head and neck symptoms were reported.
  • Magnetic Resonance Angiography (MRA) revealed luminal stenosis and a pseudo-lumen of the left internal carotid artery.

Findings:

  • The patient was diagnosed with left internal carotid artery dissection.
  • Treatment involved antihypertensive therapy.
  • Follow-up MRA after 2 months showed spontaneous resolution of the stenosis and tinnitus.

Implications:

  • This case underscores that pulsatile tinnitus can be the exclusive manifestation of internal carotid artery dissection.
  • It emphasizes the need for a high index of suspicion for cervical artery dissection in patients with isolated pulsatile tinnitus.
  • Early diagnosis and appropriate management, including blood pressure control, can lead to favorable outcomes.