Aneurysm at the Trunk of the Medial-Type Persistent Trigeminal Artery Associated with Facial Pain : A Rare Case Report

Persistent trigeminal artery (PTA) is the most common residual manifestation of persistent carotid-vertebrobasilar anastomosis, with the medial-type (intrasellar or sphenoidal) PTA being exceptionally rare. Aneurysms originating from the PTA trunk are not common. We present a unique case of an aneur...

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Bibliographic Details
Published inJournal of Korean Neurosurgical Society Vol. 68; no. 5; pp. 622 - 627
Main Authors Shin, Na Il, Lee, Hyung-Jin
Format Journal Article
LanguageEnglish
Published Korea (South) 대한신경외과학회 01.09.2025
Subjects
신경외과학
Trigeminal artery
Persistent trigeminal artery
Aneurysm
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ISSN2005-3711
1598-7876
DOI10.3340/jkns.2024.0107

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Summary:Persistent trigeminal artery (PTA) is the most common residual manifestation of persistent carotid-vertebrobasilar anastomosis, with the medial-type (intrasellar or sphenoidal) PTA being exceptionally rare. Aneurysms originating from the PTA trunk are not common. We present a unique case of an aneurysm located at the trunk of the medial-type PTA in a patient presenting with trigeminal neuralgia who successfully managed by endovascular procedure. Furthermore, we discuss the anatomical features of this aneurysm and relevant reports, and examine the possible pathomechanism of the associated pain.
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ISSN:2005-3711
1598-7876
DOI:10.3340/jkns.2024.0107