Pike CT is PET-CT, an imaging system consisting of a combination of positron nuclide scanning and traditional CT scanning, which fully utilizes the advantages of PET images and CT images, while achieving a perfect combination that can simultaneously obtain anatomical images of CT and functional metabolic images of PET. PET-CT is a highly sophisticated examination tool, which is relatively strictly managed by the state, and only hospitals with a certain level of strength can be qualified to perform it.