59. Pterional Approach による脳底動脈瘤への接近法

概要

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Surgical treatment of the basilar artery aneurysm has been one of the difficult surgery even if surgery is performed under the operating microscope. The authors reported that the surgical approach to the basilar artery aneurysm had to be discussed, especially in the case of a high placed basilar artery aneurysm. There are four approaching routes to a basilar artery aneurysm by pterional approach, namely routes 1 and 2 is through the space between the internal carotid artery, and the optic nerve or the temporal lobe. Route 3 is through the triangular space between the internal carotid artery, the optic chiasma and the A1 portion. Route 4 is through the triangular space between the A1 portion, M1 portion and the base of the frontal lobe. The authors reported that the routes 3 and 4 are the easier approach to the high placed basilar artery aneurysm.
The Japanese Society on Surgery for Cerebral Strokeの論文