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FIGURE 2. Schematic of 3D rendering of PET/CT images. Standard 2D tomographic CT and PET images, which contain scaling and alignment parameters calculated by software on PET/CT scanner, are simultaneously rendered (28) into single image that combines CT anatomy and PET activity in correct anatomic relationship. Bone, soft-tissue, and airway windows can be selected when using 3D rendering of CT to emphasize a particular anatomic perspective. Similar process is used to create 3D-rendered virtual endoscopy images.
