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J Cerebrovasc Endovasc Neurosurg. 2018 20(3): 176-180
The Journal of Cerebrovascular and Endovascular Neurosurgery
Cavernous Malformations at Optic Apparatus: Three Cases
Hye Seon Kim1, Ji Hoon Phi1,2, Jeong Eun Kim1, Ji Yeoun Lee1,2,3, Seung-Ki Kim1,2, Kyu-Chang Wang1,2, Won-Sang Cho1
1Department of Neurosurgery, Seoul National University Hospital, Seoul, Korea, 2Division of Pediatric Neurosurgery, Seoul National University Childrens Hospital, Seoul, Korea, 3Department of Anatomy, Seoul National University College of Medicine, Seoul, Korea

Cavernous malformations (CMs) are angiographically occult vascular lesions, and their clinical presentations vary widely according to location of the lesion. Here, we reviewed three cases of CM located at the optic apparatus. All three patients experienced visual deterioration and underwent surgical resection. One achieved complete resection of the CM, whereas the others achieved subtotal resection. Visual symptoms of the two patients who achieved subtotal resection improved, but the visual symptom of the patient who achieved complete resection remained unchanged. One patient with subtotal resection presented postoperative improvement of visual symptoms but experienced deterioration in two years after surgical resection due to rebleeding from the remnant lesion, and he required a second operation. We recommend total resection of CM when feasible and regular follow-up after subtotal resection due to the risk of rebleeding.
Key words : Cavernous hemangioma, Optic nerve, Surgery, Hemorrhage

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