Persistent primitive trigeminal artery

Case contributed by Dr Bruno Di Muzio

Presentation

Headache.

Patient Data

Age: 64
Gender: Female

CTA Brain

Modality: CT

There is an artery originated from the junction between petrous and cavernous left ICA and runs posterolaterally to the distal basilar artery. Vertebral, posterior communicating and caudal basilar arteries are hypoplastic. 

Case Discussion

Persistent primitive trigeminal artery is one of the persistent carotid-vertebrobasilar anastomoses. It is present in 0.1-0.6% of cerebral angiograms and is usually unilateral.

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Case Information

rID: 30520
Case created: 16th Aug 2014
Last edited: 1st Dec 2016
Inclusion in quiz mode: Included

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