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 ...

A brain positron emission tomography (PET) scan is an imaging test that allows doctors to see how your brain is functioning. The scan captures images of the activity of the brain after radioactive ...

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 ...

A PET scan is an imaging test that lets your doctor check for diseases in your body. The scan uses radioactive tracers that highlight problems at a cellular level. A positron emission tomography (PET) ...