Azygos anterior cerebral artery

Case contributed by Dr Roberto Schubert

Presentation

Left temporal headaches, EEG focus.

Patient Data

Age: 19
Gender: Female
MRI

Both A1 segments from anterior cerebral arteries form one unique trunk called azygos artery. 

Case Discussion

Azygos anterior cerebral artery is an uncommon to rare variant seen in which the two A1 segments of the anterior cerebral artery (ACA) join to form a single trunk. As a result no anterior communicating artery is present.

It is important to be aware that this variant is associated with numerous cerebral malformations and with berry aneurysms. 

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Case information

rID: 17059
Case created: 13th Mar 2012
Last edited: 9th Jan 2016
Tags: aca, variants, mra
Inclusion in quiz mode: Included

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