期刊
JOVE-JOURNAL OF VISUALIZED EXPERIMENTS
卷 -, 期 155, 页码 -出版社
JOURNAL OF VISUALIZED EXPERIMENTS
DOI: 10.3791/60471
关键词
Medicine; Issue 155; 3D printing; multicolor; full color; fully colored; neurosurgery; chondrosarcoma; skull base; anatomical model; skull model; surgical simulation; preoperative planning; binder jetting; tumor
资金
- Johannes Gutenberg-University of Mainz
Three-dimensional (3D) printing technologies offer the possibility of visualizing patient-specific pathologies in a physical model of correct dimensions. The model can be used for planning and simulating critical steps of a surgical approach. Therefore, it is important that anatomical structures such as blood vessels inside a tumor can be printed to be colored not only on their surface, but throughout their whole volume. During simulation this allows for the removal of certain parts (e.g., with a high-speed drill) and revealing internally located structures of a different color. Thus, diagnostic information from various imaging modalities (e.g., CT, MRI) can be combined in a single compact and tangible object. However, preparation and printing of such a fully colored anatomical model remains a difficult task. Therefore, a step-by-step guide is provided, demonstrating the fusion of different cross-sectional imaging data sets, segmentation of anatomical structures, and creation of a virtual model. In a second step the virtual model is printed with volumetrically colored anatomical structures using a plaster-based color 3D binder jetting technique. This method allows highly accurate reproduction of patient-specific anatomy as shown in a series of 3D-printed petrous apex chondrosarcomas. Furthermore, the models created can be cut and drilled, revealing internal structures that allow for simulation of surgical procedures.
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