CT Scan

Internal Systems Review Paper Project
-Computed Tomography Imaging (CT Scan, CAT Scan)

Computed Axial Tomography, also known as "CT scanning" (Computed Tomography Imaging), was developed in the early to mid 1970s by Hounsfield and is now available at over 30,000 locations throughout the world. CAT is a painless type of X-rayknown to provide the best images of bone, blood and soft tissues.
An X-ray tube, rotating around a specific area of the body, delivers an appropriate amount of X radiation for the tissue and takes pictures of that part of the internal anatomy from different angles. More recent scanners have a stationary X-ray tube and use deflecting coils and special reflectors to position the X-ray beam. A computer program is then used to form a composite, readable image. This x-ray tube that rotates in a circle around the patient making many slices of images like a large donut standing up (called the ga...