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 ...

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 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 ...

Rachel works as a CRNA where she provides anesthesia care across the lifespan, including pediatric anesthesia, with a primary focus on orthopedic anesthesia. She is also an Assistant Professor at the ...

Positron emission tomography (PET) scans can detect cancer earlier than other imaging tests. But some types of cancer are harder to detect on a PET scan. In particular, they may miss cancers that ...

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.