Quantitative comparison of cranial approaches in the anatomy laboratory: A neuronavigation based research method

Figure 4 Volume rendering with Maya^®. A: Visual rendering of three different funnels with the quantification method based on the commercially-available digitizer or navigation system and 3-D rendering software (Maya^®); B: 3D rendering with the Storz navigation system for coordinate collection and Maya^® software for 3D rendering of endonasal (light blue) and transoral (dark blue) approaches to the anterior craniovertebral junction.