Medically reviewed by Doru Paul, MD Key Takeaways A PET scan shows changes in your body's cells to detect diseases.Prepare ...

PET scans are a form of imaging scan that can take three-dimensional images of the inside of a person’s body. They can help a doctor detect and accurately stage someone’s liver cancer. Doctors might ...

PET tracers are used in PET scans. PET scans make it possible to visualize and measure biological processes in the body. By injecting a small amount of radioactive tracer into the body, doctors can, ...

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 ...

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.

Positron emission tomography (PET) scans can detect cancer earlier than other imaging tests by showing areas that use a lot of glucose. However, false-positive results can happen due to infections, ...

PET scans can detect the decline in glucose metabolism associated with decreased cognitive function, particularly in the temporal and parietal lobes located on the sides and the back of the brain, the ...

Medicare Part B covers outpatient PET scans when ordered by a doctor and considered medically necessary. PET scan costs can vary depending on whether you have the scan in a hospital as an inpatient, ...