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Arterial Abnormalities Leading to Tinnitus.

Timothy R Miller1, Yafell Serulle1, Dheeraj Gandhi2

  • 1Division of Interventional Neuroradiology, Department of Diagnostic Radiology, University of Maryland School of Medicine, 22 South Green Street, Baltimore, MD 21201, USA.

Neuroimaging Clinics of North America
|May 8, 2016
PubMed
Summary

Pulsatile tinnitus, often originating in the middle ear, has vascular causes categorized by location (arterial, arteriovenous, venous). Imaging helps identify causes like stenosis or tumors, with angiography for suspected fistulas.

Keywords:
Internal carotid artery variantsPulsatile tinnitusTinnitusVascular abnormalitiesVascular masses

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Area of Science:

  • Otolaryngology
  • Neurology
  • Radiology

Background:

  • Tinnitus is a prevalent symptom with diverse etiologies.
  • Vascular causes of pulsatile tinnitus are significant and require specific diagnostic approaches.
  • Understanding the anatomical location of vascular abnormalities is crucial for diagnosis.

Purpose of the Study:

  • To categorize vascular causes of pulsatile tinnitus based on their location within the cerebral-cervical vasculature.
  • To outline the diagnostic pathway for evaluating pulsatile tinnitus of vascular origin.

Main Methods:

  • Review and categorization of known vascular pathologies causing pulsatile tinnitus.
  • Emphasis on the role of noninvasive imaging modalities.
  • Indication for advanced imaging, such as catheter angiography, in specific clinical scenarios.

Main Results:

  • Vascular causes are classified into arterial, arteriovenous, and venous origins.
  • Common arterial and arteriovenous causes include atherosclerotic stenosis, dissection, skull base variants, and tumors.
  • Noninvasive imaging is the primary diagnostic tool.

Conclusions:

  • Vascular abnormalities in the cerebral-cervical region are key causes of pulsatile tinnitus.
  • A stepwise diagnostic approach utilizing noninvasive imaging is recommended.
  • Catheter angiography remains essential for diagnosing conditions like dural arteriovenous fistulas.