CT scan stands for Computer Tomography scan. It is also known by the name of CAT (Computerized Axial Tomography). It is a medical imaging technique used to generate images of inner human anatomy. CT scan uses X-Ray waves to generate images of internal organs of human body. Images generated this way are then used to diagnose diseases and other conditions present inside the human body and organs. CT scan is used to scan inner body parts such as – soft tissues, bones, brain and blood vessels. This imaging technique makes use of X-Ray to scan inner body parts. As part of the scanning process, many X-Ray images are taken (from different angles). The images obtained this way are then studied and observed by qualified Radiologists and/or Doctors. Based on the observations, they make diagnosis.