What is a PET Scan?
A PET scan is a medical imaging procedure that uses a small amount of radioactive material, called a tracer, to help visualize the internal organs and tissues of the body. PET stands for positron emission tomography, which is a type of imaging technique that uses a special camera to detect the radioactive tracer in the body. How Does a PET Scan Work? During a PET scan, the patient is injected with a small amount of radioactive material, usually through a vein in the arm....