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 ...

Positron emission tomography (PET) is a type of imaging scan that doctors might use when diagnosing and treating non-Hodgkin’s lymphoma (NHL). It can be useful for identifying and staging the cancer.

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 ...

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 ...

Medicare Part B covers outpatient PET scans when ordered by a doctor and considered medically necessary. PET scan costs can vary depending on whether you have the scan in a hospital as an inpatient, ...

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.