PET Scan Meaning: Understanding the Science Behind the Test
The PET scan is a medical imaging technique that is used to diagnose and monitor a wide range of diseases, from cancer to heart disease. The acronym PET stands for Positron Emission Tomography, a term that refers to the way in which the scan is performed. Unlike other imaging techniques like X-rays and CT scans, PET scans do not use ionizing radiation. Instead, they rely on the detection of small amounts of radiation emitted by a radioactive tracer that is injected into the body....