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.

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 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 ...

DURHAM, N.C. – Among patients with mild or no cognitive impairment, brain scans using a new radioactive dye can detect early evidence of Alzheimer's disease that may predict future decline, according ...

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 ...

JOHNS CREEK — Officials at Emory John Creek Hospital are unveiling new equipment in the fight against cancer. They say the mobile position emission tomography (PET) scan unit is a highly-advanced form ...

Medicare may cover positron emission tomography (PET) scans. If you have a PET scan as an inpatient, Part A will typically cover costs. If you are an outpatient, Part B will cover eligible expenses.

PET scans reveal amyloid plaques, which appear as warm colors such as red, yellow and orange. On the left is a patient with Alzheimer's disease, and on the right is a person with no detectable amyloid ...

A PSMA PET scan found more recurrent prostate cancer at low PSA levels than a standard scan, helping guide more potentially curative treatment decisions. A newer type of prostate cancer scan called 64 ...