A method, apparatus and computer program product for three-dimensional viewing of images is presented. Embodiments of the invention provide a process for combining slices generated by medical imaging devices to create a volume of interest and then present this volume in a three-dimensional representation to a head display unit so that the user can obtain a holistic view of the patient. Key image processing techniques are applied which enable the user to rotate and view the volume of interest from alternative viewpoints； to enable tissue subtraction to facilitate unobstructed viewing of a region of interest； to identify differing tissues with color schematics； to zoom in for optimal viewing； and to view a moving image of a volume of interest.
