A holographic technique is Used to combine the information content of conventional, 2D tomographic scan images into a full-parallax, 3D reconstruction of the recorded subject. Advantages of the system over the conventional, pseudo-3D reconstructions obtained by computer image processing, or over the direct examination of the scan images by the physician, are a more realistic and detailed information to the observer, as true parallax and physical depth cues are fully maintained. (C) 2002 Elsevier Science Ltd. All rights reserved.