Preoperative Three-Dimensional Model Creation of Magnetic Resonance Brain Images as a Tool to Assist Neurosurgical Planning

被引:54
作者
Spottiswoode, B. S. [1 ,3 ,7 ]
van den Heever, D. J. [4 ]
Chang, Y. [2 ]
Engelhardt, S. [8 ]
Du Plessis, S. [5 ]
Nicolls, F. [2 ]
Hartzenberg, H. B. [6 ]
Gretschel, A. [6 ]
机构
[1] Univ Cape Town, Dept Human Biol, MRC, UCT Med Imaging Res Unit, ZA-7925 Cape Town, South Africa
[2] Univ Cape Town, Dept Elect Engn, ZA-7925 Cape Town, South Africa
[3] Univ Stellenbosch, Div Radiol, ZA-7602 Stellenbosch, South Africa
[4] Univ Stellenbosch, Dept Mech & Mechatron Engn, Biomed Engn Res Grp, ZA-7602 Stellenbosch, South Africa
[5] Univ Stellenbosch, Dept Psychiat, ZA-7602 Stellenbosch, South Africa
[6] Univ Stellenbosch, Div Neurosurg, ZA-7602 Stellenbosch, South Africa
[7] Siemens Healthcare, Cardiovasc MR R&D, Chicago, IL USA
[8] Univ Koblenz Landau, Koblenz, Germany
关键词
Stereolithography; Three-dimensional printing; Neurosurgery; Magnetic resonance imaging; Functional magnetic resonance imaging; Rapid prototyping; RAPID PROTOTYPING TECHNIQUES; MRI; STEREOLITHOGRAPHY; RECONSTRUCTION; ACCURACY; TECHNOLOGY; SURGERY; TUMORS;
D O I
10.1159/000345264
中图分类号
Q189 [神经科学];
学科分类号
071006 ;
摘要
Background: Neurosurgeons regularly plan their surgery using magnetic resonance imaging (MRI) images, which may show a clear distinction between the area to be resected and the surrounding healthy brain tissue depending on the nature of the pathology. However, this distinction is often un-clear with the naked eye during the surgical intervention, and it may be difficult to infer depth and an accurate volumetric interpretation from a series of MRI image slices. Objectives: In this work, MRI data are used to create affordable patient-specific 3-dimensional (3D) scale models of the brain which clearly indicate the location and extent of a tumour relative to brain surface features and important adjacent structures. Methods: This is achieved using custom software and rapid prototyping. In addition, functionally eloquent areas identified using functional MRI are integrated into the 3D models. Results: Preliminary in vivo results are presented for 2 patients. The accuracy of the technique was estimated both theoretically and by printing a geometrical phantom, with mean dimensional errors of less than 0.5 mm observed. Conclusions: This may provide a practical and cost-effective tool which can be used for training, and during neurosurgical planning and intervention. Copyright (c) 2013 S. Karger AG, Basel
引用
收藏
页码:162 / 169
页数:8
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