| Infraoptic Course of Both Anterior Cerebral Arteries. |
| Cheol Ji, Jae Geun Ahn |
| Department of Neurosurgery, St. Paul's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea. neurobea@catholic.ac.kr |
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| ABSTRACT |
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A 28-year-old woman was referred to our hospital with a sudden, very severe headache. Brain computed tomographic angiography showed a saccular cerebral aneurysm at the bifurcation of the left middle cerebral artery and infraoptic courses of both anterior cerebral arteries. The anterior cerebral arteries were seen to arise from the ipsilateral internal cerebral arteries at the level of the origin of the ophthalmic artery, passed underneath the ipsilateral optic nerve, and turned upward at ventral portion of the optic chiasm. |
| Key Words:
Anterior cerebral artery; Infraoptic course; Optic chiasm |
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