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Title: Persistent primitive trigeminal artery associated with a cavernous carotid aneurysm. Case report and literature review
Authors: Lam, J.J.H.
Bin Mohamed Shah, M.T. 
Chung, S.L.
Ho, C.L. 
Keywords: Cavernous carotid aneurysm
Computed tomography angiogram
Magnetic resonance angiography
Magnetic resonance imaging
Persistent primitive trigeminal artery
Vertebrobasilar anastomosis
Issue Date: 2018
Publisher: EduRad
Citation: Lam, J.J.H., Bin Mohamed Shah, M.T., Chung, S.L., Ho, C.L. (2018). Persistent primitive trigeminal artery associated with a cavernous carotid aneurysm. Case report and literature review. Journal of Radiology Case Reports 12 (11) : 11-Jan. ScholarBank@NUS Repository.
Rights: Attribution-NonCommercial-NoDerivatives 4.0 International
Abstract: The persistent primitive trigeminal artery is the most common persistent carotid-vertebrobasilar anastomosis. Patients are usually asymptomatic and the persistent primitive trigeminal artery is commonly found incidentally on imaging. Rarely, they may present with symptoms of neurovascular conflict or cranial nerve compression syndromes as the artery may be intimately related to the cranial nerves. The basilar artery is often hypoplastic in this condition and blood supply to the posterior circulation is predominantly via the persistent primitive trigeminal artery. Recognizing the persistent primitive trigeminal artery is imperative as disease of the artery may result in ischemia of the posterior circulation. To date, there is no clear association between this artery and cerebral aneurysms. We present a rare case of a patient with a persistent primitive trigeminal artery and a concomitant cavernous carotid aneurysm together with a literature review. © 2018, EduRad. All rights reserved.
Source Title: Journal of Radiology Case Reports
ISSN: 1943-0922
DOI: 10.3941/jrcr.v12i11.3500
Rights: Attribution-NonCommercial-NoDerivatives 4.0 International
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