Anterior cerebral arterial variations
53 year old male underwent MRI for visual problems. MRI did not reveal parenchymal abnormalities.
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Screening MRI angiography reveals:
- duplicated / fenestrated A1 segment on the right side.
- common A2 trunk which divides into 2 A3 segments.
- this is different from Azygous ACA - as there is no common trunk for the entire tree (according Lasjunias - Bernstein Classification)
- no ACom