PET Scan stands for Positron emission tomography, also called PET imaging is a type of nuclear medicine imaging that uses small amounts of radioactive material to measure important body functions, such as blood flow, oxygen use, and sugar (glucose) metabolism, to help doctors evaluate how well organs and tissues are functioning or to detect certain abnormalities within the body, including many types of cancers, and heart disease.
Whereas CT scan — also called computerized tomography is an X-ray technique that produces images of the body that can provide excellent information about internal organ structure.
Nowadays, most PET scans are performed on instruments that are combined PET and CT scanners. The combined PET/CT scans produce special pictures offering details on both the structure and function of organs and tissues. They are more accurate to detect presence and severity of cancers, neurological/brain conditions, and cardiovascular disease, and recurrence of cancer than the two scans performed separately.Total scanning time is approximately 30 minutes.
In USA, PET scan charges range from USD1200-USD3500, depending on the type of scan. In Taiwan, a hospital based nuclear medicine facility offers PET/CT Scan examination package for about USD1700. In Singapore, PET/CT Scan procedure costs about USD1500.
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