PET Vs Ct Scan Case Study

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The main difference between the PET and the CT scan images, is that the PET scan reveals the cellular metabolic occurring in a tissue or organs. While the CT scan shows the images of any part of the body such as organs, vessels or tissues.
Through PET scan it is possible to detect the formation of a disease through the functional changes of the organ, which is not possible to do through a CT scan. 5
The PET and CT scan are combined because it is possible to observe the view of two different exams, which leads to more accurate diagnoses. Through this combination it is also possible to observe the exact anatomic location of the abnormal activity within the body. 6

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