Persistent trigeminal artery

Case contributed by Dr Aakash Patel

Presentation

Incidental finding on investigation of dizziness.

Patient Data

Age: 45 years
Gender: Male
MRI

Study shows a persistent right trigeminal artery giving rise to the posterior circulation with hypoplastic vertebrobasilar system present.

Case Discussion

Persistent trigeminal artery is a persistent carotid-vertebrobasilar anastomosis. Fetal trigeminal artery supplies the posterior circulation in utero before the development of the vertebrobasilar system.

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Case information

rID: 56019
Case created: 5th Oct 2017
Last edited: 4th Nov 2017
Inclusion in quiz mode: Included
Institution: Shalby Hospital, Ahmedabad

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