Semiconductor detectors that directly measure the electrical signals produced by X-rays have hugely improved the resolution and contrast of computed tomography scanners. In the 1970s computed ...

Computed tomography (CT) scanning, which creates detailed 3D images of bones, soft tissues, and organs, is better than standard X-rays for investigating complex injuries, cancers, and vascular issues.

If you have stomach cancer, you have a higher chance of being cured if your healthcare team detects it early. A CT scan is often part of the diagnosis. Stomach cancer, or gastric cancer, happens when ...

Medical imaging scans that create detailed images of the body's internal structures are widely used in medicine. Doctors need them to detect and manage certain types of cancer, assess the extent of ...

A new analysis estimates that more than 100,000 cancer cases per year could be caused by radiation from CT scans. In some cases, the information provided by a CT scan could also be obtained from other ...

A heart CT scan uses X-rays to create an image of the heart and blood vessels. Healthcare professionals may also refer to it as cardiac CT angiography. A CT scan is a noninvasive imaging procedure.