A PET scan — or positron emission tomography scan — is an imaging tool that lets doctors see how well your tissues and organs are working. It’s often used to diagnose and stage various cancers.
WASHINGTON DC - JUNE 20, 2023 Jay Reinstein, who suffers from Alzheimer's, prepares to receive a PET scan at MedStar Georgetown University Hospital in Washington, DC. (Photo by Michael Robinson Chávez ...