Tau proteins play an important role in Alzheimer's disease. Tau helps to stabilize neurons in the brain, but in Alzheimer's disease, tau proteins can misfold and tangle inside neurons. These tangles ...

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 ...

Preparing for a PET scan requires switching to a no-sugar diet the day before the scan. People with diabetes may have special instructions regarding medications. Doctors typically schedule PET scans ...

A heart PET scan is a noninvasive imaging test that uses a small amount of radiation. It helps doctors understand how the heart functions and whether it is healthy. Cardiac or heart PET scans create ...

A newer type of prostate cancer scan called 64 Cu-SAR-bisPSMA found more than twice as many cancer spots as a commonly used PSMA PET scan in men whose prostate-specific antigen (PSA) was rising after ...

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 ...

In a small study, researchers at the National Institutes of Health have found that positron emission tomography (PET) scans of the heart may identify people who will go on to develop Parkinson's ...

Total body PET/CT scans can successfully visualize systemic joint involvement in patients with autoimmune arthritis, according to new first-in-human research published in the October issue of The ...

Aug. 13 -- TUESDAY, Aug. 12 (HealthDay News) -- PET scans may provide doctors with a non-invasive method of detecting Alzheimer's disease-related brain plaques, Finnish researchers say. Currently, the ...

PET scans may serve as both a diagnostic and prognostic tool in giant cell arteritis (GCA), according to a new study. In over 100 patients with GCA who underwent 18 F-fluorodeoxyglucose (FDG) PET ...

Tau proteins play an important role in our normal brain function, mainly by helping to stabilize neurons in the brain. But in Alzheimer’s disease, tau proteins can misfold and tangle inside neurons.