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KMID : 1005420040060020144
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Journal of Cerebrovascular and Endovascular Neurosurgery
2004 Volume.6 No. 2 p.144 ~ p.147
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The Course of Brainstem Cavernous Malformations according to Management Strategies
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Jang Won-Seok
Park Yong-Sook
Chang Jong-Hee
Kim Dong-Seok
Huh Seung-Kon
Park Yong-Gou
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Abstract
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The outcome and the rate of rebleeding of brainstem cavernous malformationss were analyzed following conservative treatment, microsurgical excision and Gamma Knife radiosurgery (GKS). We especially concentrated on the role of radiosurgery. We treated 39 patients with brainstem cavernous malformations using conservative treatment, microsurgical removal or GKS from April 1993 to November 2003. Follow up duration was 7 to 132 months (mean 45.8, median 30.6). The lesion location included pons, midbrain, medulla oblongata and cerebellarpeduncle. Conservative management was performed in 14 patients, GKS in 18 patients and microsurgical removal in 7 patients. The annual rate of rebleeding was 22.2% in conservative group and 22.7% in GKS group. Good and moderate outcome were obtained in 70% of conservative group, 75% of GKS group and 85.6% of surgical group. Overall mortality rate was 5.1%. Microsurgical excision tended to be resulted in good outcome. GKS and conservative managements were accompanied by a risk of recurrent bleeding, even death. There was no statistical difference in outcome and the rate of rebleeding between conservatively managed group and GKS treated group.
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