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http://dx.doi.org/10.3348/kjr.2013.14.5.829

Arachnoid Cyst in Oculomotor Cistern  

Kim, Min-Kyun (Department of Radiology, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea)
Choi, Hyun Seok (Department of Radiology, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea)
Jeun, Sin-Soo (Department of Neurosurgery, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea)
Jung, So-Lyung (Department of Radiology, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea)
Ahn, Kook-Jin (Department of Radiology, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea)
Kim, Bum-Soo (Department of Radiology, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea)
Publication Information
Korean Journal of Radiology / v.14, no.5, 2013 , pp. 829-831 More about this Journal
Abstract
Oculomotor cistern is normal anatomic structure that is like an arachnoid-lined cerebrospinal fluid-filled sleeve, containing oculomotor nerve. We report a case of arachnoid cyst in oculomotor cistern, manifesting as oculomotor nerve palsy. The oblique sagittal MRI, parallel to the oculomotor nerve, showed well-defined and enlarged subarachnoid spaces along the course of oculomotor nerve. Simple fenestration was done with immediate regression of symptom. When a disease develops in oculomotor cistern, precise evaluation with proper MRI sequence should be performed to rule out tumorous condition and prevent injury of the oculomotor nerve.
Keywords
Arachnoid cyst; Oculomotor nerve cistern; Oculomotor nerve;
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