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Case Rep Otolaryngol. 2013;2013:275820. doi: 10.1155/2013/275820. Epub 2013 Dec 29.

Persistent primitive trigeminal artery: an unusual cause of vascular tinnitus.

Case reports in otolaryngology

Ananya Panda, Arundeep Arora, Manisha Jana

Affiliations

  1. Department of Radiodiagnosis, All India Institute of Medical Sciences (AIIMS), Ansari Nagar, New Delhi 110029, India.

PMID: 24459596 PMCID: PMC3891431 DOI: 10.1155/2013/275820

Abstract

Pulsatile tinnitus is generally of vascular origin and can be due to arterial, venous, or systemic causes. While certain congenital anatomical variants and arterial vascular loops have been commonly found in symptomatic patients undergoing imaging, persistent primitive trigeminal artery in association with isolated tinnitus is unusual. Thus we report a patient with unilateral isolated pulsatile tinnitus who was evaluated with magnetic resonance angiography and was found to have a persistent primitive trigeminal artery. We also briefly discuss vascular tinnitus as well as the embryology, imaging, and classification of persistent primitive trigeminal artery with the clinical implications.

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