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 ...

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 ...

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, ...

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, ...

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, ...