Computed tomography (CT), originally known as computed axial tomography (CAT or CT scan) and body section rentenography, is a medical imaging method employing tomography where digital geometry processing is used to generate a three-dimensional image of the internals of an object from a large series of two-dimensional X-ray images taken around a single axis of rotation. The word "tomography" is derived from the Greek tomos (slice) and graphein (to write). CT produces a volume of data which can be manipulated, through a process known as windowing, in order to demonstrate various structures based on their ability to block the X-ray beam. Although historically the images generated were in the axial or transverse plane (orthogonal to the long axis of the body), modern scanners allow this volume of data to be reformatted in various planes or even as volumetric (3D) representations of structures.
Sometimes contrast materials such as intravenous iodinated contrast are used. This is useful to highlight structures such as blood vessels that otherwise would be difficult to delineate from their surroundings.
Chim right?? I think it uses X-rays. In short, it's a 3D X-ray. I have been going thru these bombastic words for the past few days.. giving me extra headache!!!
I've told Benny about the scan and guess what he replied me?? Mummy, I'm going into the circle to see star again tomorrow?? 4chongchong might know what he's talking about right?
