Computed Tomography is a complementary modality to MRI and gives fast and unambiguous diagnosis of many conditions. Our machines are able to scan large areas of the body in one continuous operation and CT is often the only way to scan children without sedation, or to visualize long structures such as the esophagus.

Our CT scanners are regularly upgraded as part of a rolling capital investment program and use leading edge technology from medical equipment providers. In addition to CT scanning, Southwest Medical also offer a range of services which include MRI scanning and Positron Emission Tomography, both of which can be arranged with reporting as required.

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). Computed tomography was originally known as the "EMI scan" as it was developed at a research branch of EMI, a company best known today for its music and recording business. It was later known as computed axial tomography (CAT or CT scan) and body section röntgenography. 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/Röntgen beam. Although historically (see below) 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.

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