Inferior petro-occipital vein

Last revised by Assoc Prof Frank Gaillard on 16 May 2020

The inferior petro-occipital vein is located immediately inferior to the petro-occipital suture and provides a communication between the internal carotid artery venous plexus of Rektorzik, or less commonly the cavernous sinus, anteromedially and the jugular bulb, or less commonly the inferior petrosal sinus, posterolaterally 1

It has been used as an alternative venous access route to the cavernous sinus when the inferior petrosal sinus is not available 2

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