Anatomical phantom CT study of surgical approaches for 3-D and VR in neurosurgery

In eight specimens a spiral CT and 3-D reconstruction with postprocessing at an Allegro work station were done. In all specimens approaches of neurosurgical interest were dissected. For example, a transnasal and a trans-oral approach as computer aspects and real anatomy aspect are presented in parallel by photography. The limits of the computer reconstruction are directly visible by comparison with the real anatomy. Additionally, one endoscopic aspect and one 'virtual reality' aspect are presented to be compared with real actual anatomy. The problems and possibilities of using 3-D spiral CT developed anatomy are discussed.