Anterior cerebral arterial variations

Case contributed by Dr Paresh K Desai


55 year old male underwent MRI for visual problems. MRI did not reveal parenchymal abnormalities.

Patient Data

Age: 55
Gender: Male

Anomalies as described in case discussion.

Anomalies as described in case discussion.

Case Discussion

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
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Case information

rID: 13132
Published: 5th Mar 2011
Last edited: 13th Aug 2019
Inclusion in quiz mode: Included

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