Positron Emission Tomography (PET)

Positron emission tomography (PET) is a type of imaging that uses a small amount of radioactive material to create detailed computerized images of the body's tissues and organs. PET scans are often combined with computed tomography (CT) scans, to produce an even more detailed image. The combined PET and CT scan is known as a PET-CT scan, and it is useful for diagnosing and monitoring the progression of or response to certain types of cancer, as well as other diseases and conditions. The PET scan can also be used to evaluate how well organs and tissues are functioning. This imaging modality has revolutionized modern medicine and continues to have an important role in disease diagnosis, assessment, and follow-up.