Department of Neurosurgery, Fuzhou General Hospital, Fujian Medical University, 156 Xihuanbei Road, Fuzhou, 350025, China.
BMC Neurol. 2012 Nov 28;12:146. doi: 10.1186/1471-2377-12-146.
BACKGROUND: It is difficult for neurosurgeons to perceive the complex three-dimensional anatomical relationships in the sellar region. METHODS: To investigate the value of using a virtual reality system for planning resection of sellar region tumors. The study included 60 patients with sellar tumors. All patients underwent computed tomography angiography, MRI-T1W1, and contrast enhanced MRI-T1W1 image sequence scanning. The CT and MRI scanning data were collected and then imported into a Dextroscope imaging workstation, a virtual reality system that allows structures to be viewed stereoscopically. During preoperative assessment, typical images for each patient were chosen and printed out for use by the surgeons as references during surgery. RESULTS: All sellar tumor models clearly displayed bone, the internal carotid artery, circle of Willis and its branches, the optic nerve and chiasm, ventricular system, tumor, brain, soft tissue and adjacent structures. Depending on the location of the tumors, we simulated the transmononasal sphenoid sinus approach, transpterional approach, and other approaches. Eleven surgeons who used virtual reality models completed a survey questionnaire. Nine of the participants said that the virtual reality images were superior to other images but that other images needed to be used in combination with the virtual reality images. CONCLUSIONS: The three-dimensional virtual reality models were helpful for individualized planning of surgery in the sellar region. Virtual reality appears to be promising as a valuable tool for sellar region surgery in the future.
背景:神经外科医生很难感知鞍区复杂的三维解剖关系。
方法:探讨使用虚拟现实系统规划切除鞍区肿瘤的价值。研究纳入 60 例鞍区肿瘤患者。所有患者均行 CT 血管造影、MRI-T1W1 及增强 MRI-T1W1 图像序列扫描。采集 CT 和 MRI 扫描数据,并导入 Dextroscope 成像工作站,该工作站是一个可立体观察结构的虚拟现实系统。术前评估时,为每位患者选择典型图像并打印出来,供手术医生参考。
结果:所有鞍区肿瘤模型均清晰显示骨、颈内动脉、Willis 环及其分支、视神经和视交叉、脑室系统、肿瘤、脑、软组织及毗邻结构。根据肿瘤位置,我们模拟了经单鼻孔蝶窦入路、经翼点入路等入路。11 位使用虚拟现实模型的外科医生完成了问卷调查。其中 9 位参与者表示虚拟现实图像优于其他图像,但需要结合虚拟现实图像使用其他图像。
结论:三维虚拟现实模型有助于个体化规划鞍区手术。虚拟现实系统有望成为未来鞍区手术的一种有价值的工具。
BMC Neurol. 2012-11-28
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