Median artery of the corpus callosum

Case contributed by Dr Ayaz Hidayatov


Young female with severe headache. History of subarachnoid hemorrhage few months ago.

Patient Data

Age: 20
Gender: Female

CTA shows three A2 segments or trifurcation of anterior cerebral artery (ACA).

The central (anomalous) one arises from the anterior comminucating artery (ACOM) and is known as a median artery of the corpus callosum.

No saccular or fusiform aneurysm was found. 

Case Discussion

This anomaly occurs in 3% of population. As with other anterior cerebral artery (ACA) anomalies there is an increased incidence of cerebral aneurysm.

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Case information

rID: 53057
Case created: 29th Apr 2017
Last edited: 30th Apr 2017
Inclusion in quiz mode: Included

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