shaderware recommend this title as an accompaniment to virtual radiographyTM
ProjectionVR - Patient Seated at Erect Bucky (Skull module)
The patient is positioned with their Radiographic baseline parallel to the floor, facing the bucky. The tube is angled 20 Caudad to provide an Occipito-Frontal 20degrees caudal projection. The central ray is positioned to pass through the Nasion.
The picture shows the room darkened for collimation. The patient is again positioned with their Radiographic baseline parallel to the floor, facing the bucky. The tube is angled 20 Caudad to provide a Reverse Townes projection, also called a 'Half-Axial'. 30 degrees cephalad angulation is placed on the tube. The central ray is positioned to pass through the Foramen Magnum.