Hybrid cadaver training with holograms by mixed reality technique

Virtual reality is a rapidly developing technology in the field of computer science and can contribute to surgical care. The mixed reality （MR） technique is the merging of real and virtual worlds and provides the user with a hologram in the real world. Here, we report a new cadaver training technique with holograms called hybrid cadaver training. The MR technique makes it possible to show teaching materials as holograms during cadaver training. The application for the MR was developed by the faculty of engineering, Ehime University. Four oto-laryngology-head and neck surgery residents participated in the hybrid cadaver training and answered a ques-tionnaire. All participants rated the usefulness of the training as 5 points out of 5. The hybrid cadaver training with holograms may be a new promising simulation training for otolaryngology-head and neck surgery residents.