A CAT scan, also known as a CT scan or computerized tomography scan, is a medical imaging test that uses X-rays and computer technology to produce detailed images of the body. There are several synonyms for CAT scan, including CT imaging, computed axial tomography, and computerized tomography. Other less common synonyms include digital tomographic imaging, transaxial tomography, and electronic axial tomography. Regardless of the terminology used, a CAT scan is a valuable tool in diagnosing and treating various conditions, such as cancers, heart disease, and neurological disorders, by providing detailed images that can be used to develop a customized treatment plan for each patient.