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The Dissecting Aneurysm of the Posterior Inferior Cerebellar Artery with Unusual Clinical Course  

Lee, Hyoung-Soo (Department of Neurosurgery, Gangneung Asan Hospital, College of Medicine, Ulsan University)
Lee, Sang-Youl (Department of Neurosurgery, Gangneung Asan Hospital, College of Medicine, Ulsan University)
Rhee, Woo-Tack (Department of Neurosurgery, Gangneung Asan Hospital, College of Medicine, Ulsan University)
Jang, Yeon-Gyu (Department of Neurosurgery, Gangneung Asan Hospital, College of Medicine, Ulsan University)
Publication Information
Journal of Korean Neurosurgical Society / v.40, no.5, 2006 , pp. 369-372 More about this Journal
Abstract
The dissecting aneurysms of the posterior cerebral circulation arise most commonly from the vertebral artery and occasionally extend to the posterior inferior cerebellar artery[PICA]. The dissecting aneurysm localized in the PICA without involving the vertebral artery is rare. We present a PICA dissecting aneurysm that had kaleidoscopic clinical course of bleeding, occlusion, and recanalization before the surgery. The patient had serial follow-up angiograms based on significant changes of clinical status. The patient successfully underwent microsurgical trapping with clips for the dissecting aneurysm and showed neurological improvement.
Keywords
Dissecting aneurysm; Subarachnoid hemorrhage; Posterior inferior cerebellar artery;
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