PET scans are a form of imaging scan that can take three-dimensional images of the inside of a person’s body. They can help a doctor detect and accurately stage someone’s liver cancer. Doctors might ...

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 ...

A PET scan can help doctors spot cancer that has spread through the body. A doctor may request one during the melanoma diagnostic process if they suspect advanced melanoma cancer. A PET scan is an ...

Dear Mayo Clinic: My father just started chemotherapy for lymphoma, and he is scheduled for a positron emission tomography or PET scan after his first three treatments. How do doctors decide when to ...

Sayaka Blickenderfer is a medical and science editor and writer with more than 10 years of experience. She edits and prepares scientific manuscripts and grant proposals for submission. Jane Kim, MD, ...

PET tracers are used in PET scans. PET scans make it possible to visualize and measure biological processes in the body. By injecting a small amount of radioactive tracer into the body, doctors can, ...

A positron emission tomography (PET) scan is a diagnostic tool that examines body tissue functioning, such as blood flow, oxygen use, and sugar metabolism, to help doctors diagnose and treat disease.

A PET scan uses radioactive sugar as a tracer, so you’ll need to switch to a low carb, no-sugar diet 24 hours before the scan. This means avoiding bread, pasta, cereal, milk, and starchy vegetables, ...

The research team at the Yale University PET Center. (Courtesy: Yihuan Lu) PET, an established imaging modality employed for both clinical and research applications, has the potential to perform in ...