A positron emission tomography (PET) scan is an imaging test that uses a small amount of radioactive tracer to measure the rate of glucose (sugar) that the cells in your lung use.

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 ...

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 ...

Experts advise adjusting to a low carb, no-sugar diet 24 hours before your PET scan. Consuming sugar can interfere with the test results because the scan uses radioactive sugar as a tracer.

The study found that the blood test was nearly 92 percent as accurate as a PET scan or a spinal tap in flagging people with Alzheimer’s pathology. It was over 97 percent as accurate as those ...