What instruments are used?
A PET scanner looks very similar to a CT scanner and in many cases it is the same machine. There are 4 main components a PET scan machine, the gantry (frame) that houses the detection apparatus and has a large patient port (opening), the subject table that moves in and out of the patient port allowing for a complete scan, the detector/camera system that captures the image, and a computer system that processes and presents the images.
Image courtesy of the NCI
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