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 — or positron emission tomography scan — is an imaging tool that lets doctors see how well your tissues and organs are working. It’s often used to diagnose and stage various cancers.

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 ...

A positron emission tomography (PET) scan is an imaging technique that uses small amounts of radioactive substances. Doctors may use PET scans in chemotherapy treatments for cancer. PET scans help ...

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 ...

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 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 ...