Medically reviewed by Doru Paul, MD Key Takeaways A PET scan shows changes in your body’s cells to detect diseases.Prepare for the PET scan according to your healthcare provider’s instructions, like ...

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 ...

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 ...

A single 68Ga-pentixafor PET/CT scan identified five functional aldosterone-producing adenomas on both adrenal glands, ...

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, ...

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.

Sayaka Blickenderfer is a medical and science editor and writer with more than 10 years of experience. She edits and prepares scientific manuscripts and grant proposals for submission. Jane Kim, MD, ...

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 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 ...

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 ...