Fig. 7

Cadaver model during needle insertion in a liver metastasis (yellow circle) without (a) and with (b) augmented reality. The augmented reality shows the target in yellow and the needle in red. Corresponding axial CT images before (c) needle insertion and axial (d) and sagittal (e) CT images after needle insertion. The yellow arrow shows the target and the needle position in (b). The four white squares on the cadaver are medicated plasters and are not used for the augmented reality