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Endoscopic View of Left Anterior Medial Aspect of Abducens Nerve and Internal Carotid Artery at Cavernous Sinus

Surgical Correlation

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Endoscopic view of left anterior medial aspect of abducens nerve and internal carotid artery at cavernous sinus. In this magnified view, the cavernous segment of the internal carotid artery is visible within the cavernous sinus. The abducens (CNVI) nerve is seen emerging through the clival dura to gain the sinus where it courses on the lateral side of the artery. The dorsal meningeal artery, a branch of the meningohypophyseal trunk that arises from the cavernous segment of the internal carotid artery, enters the dura of the posterior cavernous sinus wall and supplies the clival dura and sixth cranial nerve. (Image courtesy of AL Rhoton, Jr.)

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