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Journal of Korean Neurosurgical Society 1994;23(8): 940-945.
Extradural-Intradural Approach to Carotid-Ophthalmic Artery Aneurysm.
Dae Jin Yu, Suk Jung Jang, Ho Shin
Department of Neurosurgery, Chosun University Medical College, Kwangju, Korea.
The authors report seven cases of carotid-ophthalmic artery aneurysms who were surgically treated using the combined extradural-intradural or intradural approach from March, 1991, to December, 1993. Carotid-ophthalmic artery aneurysms are of considerably surgical interest because some of these were considered to have technical difficulties of clipping and disastrous surgical results. Removal of the anterior clinoid process and unroofing of the optic canal are the key points to exposure the operative field adequately. On the basis of these experiences, authors concluded that this approach is very useful, because of adequate surgical field and better mobilization of the internal carotid artery and optic nerve for direct clipping of carotid-ophthalmic artery aneurysm and basilar tip aneurysm.
Key Words: Carotid-ophthalmic artery aneurysm; Combined extradural-intradural approach; Intradural approach; Anterior clinoid process; Optic canal
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