The computerized tomography scanner produces a three-dimensional cross-sectional image of the pelvis, blood vessels, lungs, brain, abdomen, bones and soft tissues, according to Medical News Today. Several two-dimensional X-ray images are taken around a single axis of rotation, which are then gathered to generate the three-dimensional image.
Doctors prefer using CT scan images for diagnosing liver, lung and pancreatic cancer, states Medical News Today. The exact size, location and severity of tumors can easily be determined through a CT scan. It is also capable of showing inflammation and lacerations of internal organs in the abdominal area. A CT scan helps doctors evaluate bone density, bone diseases and spine condition. Data on a patient’s vascular condition may also be provided by a CT scan.