M2: Insular segment

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M2: Extending anteriorly on the insula, this segment in known as the insular segment of the middle cerebral artery. It is also known as the Sylvian segment when the opercular segments are included. The MCA branches may bifurcate or sometimes trifurcate into trunks in this segment which then extend into branches that terminate towards the cortex.

Case courtesy of Dr Sachintha Hapugoda, Radiopaedia.org. From the case rID: 53747
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See also:

  1. M1: The sphenoidal segment
  2. Middle cerebral artery
  3. Communicating segment of the Internal carotid artery
  4. Clinoid segment of the Internal carotid artery
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