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임상 : 측뇌실 삼각부 병변에 대한 두정-후두 반구간 쐐기앞부분 접근법
신대섭 ( Tae Sob Shin ),정철구 ( Chul Ku Jung ),김현우 ( Hyun Woo Kim ),박경석 ( Keung Suk Park ),김재명 ( Jae Myung Kim ) 대한뇌종양학회 2007 대한뇌종양학회지 Vol.6 No.2
Objective:Surgical approaches to trigonal region known to date may cause neurological deficits such as visual field defect, hemiparesis, speech disturbance, acalculia and disconnection syndrome. A parieto-occipital interhemispheric precuneus approach, however, may not bring about these neurological deficits and can reduce morbidity. Materials and Methods:A parieto-occipital interhemispheric precuneus approach was conducted on 10 patients with lesions in the trigone and the paratrigonal area(4 cases of trigonal meningioma, 3 cases of high grade thalamic astrocytoma, 2 cases of thalamic glioblastoma and 1 case of paratrigonal ganglioglioma). Results:No mortality occurred. Surgery-related morbidity such as speech disturbance, hemiparesis, acalculia, visual field defect and disconnection syndrome were not found postoperatively. Visual disturbance was gradually improved in all of 10 cases. Conclusion:It is deemed that the parieto-occipital interhemispheric precuneus approach is a desirable approach to trigonal lesions as it enables to keep out of critical structures such as optic radiation, splenium and cortex with essential function.