A heart PET scan is a noninvasive imaging test that uses a small amount of radiation. It helps doctors understand how the heart functions and whether it is healthy. Cardiac or heart PET scans create ...

PET scans can detect amyloid plaques and tau tangles in the brain, which are often early signs of Alzheimer’s disease. But they’re not enough on their own to make a diagnosis. Alzheimer’s disease is ...

Medicare has proposed expanding its coverage of PET scans that are used to help diagnose Alzheimer's disease. The proposal would abolish a nationwide policy that limited the scans to one per lifetime ...

PET scans use a radioactive tracer to generate images of the body for medical analysis. Doctors commonly use PET scans to detect cancer and assess how far it has spread. Radiation exposure from PET ...

PET scans can light up tumors in the body and help doctors determine if they are cancerous or benign (noncancerous). The results of a PET scan help guide medical decisions. A PET scan is a type of ...

PET scans are commonly used to identify brain disorders, heart problems and cancers, and to evaluate the progress of cancer treatments. The test begins with the injection of a small amount of a ...