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.

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 ...

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 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 ...