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Journal of Korean Neurosurgical Society 1994;23(2): 194-203.
Treatment and Outcome of Intracranial Arachnoid Cysts.
Jung Yong Ahn, Joong Uhn Chio, Soo Han Yoon, Sang Suo Chung, Kyu Chang Lee
Department of Neurosurgery, Yonsei University College of Medicine, Seoul, Korea.
Sixty-four patients with intracranial arachnoid cyst were treated at the Department of Neurosurgery, Yonsei University college of medicine between 1985 and 1992. Among them, forty-eight patients received operation, The purpose of this study was to review our surgical results and find out the most effective surgical procedure for arachnoid cyst in each location. The thirty-one patients with the supratentorial arachnoid cyst showed the mass effect or subdural hematoma on preoperative CT scan. They were treated with marsupialization, cystoperitoneal shunt, fenestration with cystoperitoneal shunt, and cystoperitoneal shunt with endoscopy. The fenestration with cystoperitoneal shunt showed the best result in supratentorial arachnoid cysts. The ten patients with the midline arachnoid cyst showed the hydrocephalus on CT scan. They were treated with open fenestration with ventriculoperitoneal shunt, endoscopic fenestration. open fenestration, endoscopic fenstration with ventriculoperitoneal shut and cystoperitoneal shunt. The endoscopic fenestration showed the best result in midline arachnoid cysts. The seven patients infratentorial arachnoid cysts also presents with hydrocephauls on intial CT scan. The open fenestration with ventriculoperitoneal shunt, open fenestr- ation,endoscopic fenestration, and cystoperitoneal shunt were surgical procedure for these. The cystoperitoneal shunt showed the best result in infratentorial arachnoid cysts. The complications of treatment related with shunt operation, were relieved with shunt revision. Forty-five cases among forty-eight operated cases had good clinical outcome. The most appropriate surgical method for arachnoid cyst were discussed.
Key Words: Arachnoid cyst; Fenestration; Cystoperitoneal shunt; Endoscopy
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