PET scans require dietary preparation, sometimes up to 24 hours before the test, so it's important to know which foods to eat and which foods to avoid before a PET scan.

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 ...

Dear Dr. Roach: My wife is a Type 1 diabetic. She uses an insulin pump to control her sugar. She needs to have a PET scan. The prep for this test is fasting for six hours prior, along with no insulin ...

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.

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 ...

What Is a PSMA PET Scan? A PSMA PET scan, or prostate-specific membrane antigen positron emission tomography scan, is a recently developed imaging test used for people with prostate cancer. It looks ...

PET scans can detect amyloid plaques and tau tangles in the brain, which are often early signs of Alzheimer’s disease. But they’re not enough on their own to make a diagnosis. Alzheimer’s disease is ...