Computed Tomography (CT) Scanning

Computed tomography (CT) is a medical imaging method employing tomography.

Digital geometry processing is used to generate a three-dimensional image of the inside 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. Modern CT scanners allow this volume of data to be reformatted in various planes or even as volumetric (3D) representations of structures.

See Wikipedia, Computed tomography.


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