Q&A guide is intended to help patients understand the test and what to expect before, during, and after the procedure.

Read a 1994 Wall Street Journal report on how the CAT Scan may be used to map air pollution.

Facilities on both coasts provide early disease detection using a technique known as computed tomography that takes a 3D full-body scan of internal organs.

Columbia University health educator explains the difference between a CAT Scan and an MRI.

Computed tomatography exam is used to detect signs of illness or injury. Learn what to expect before, during, and after the procedure.

Learn how computerized tomography is used to diagnose spinal problems, find out what the test involves, and explore possible risks.

Review the medical information service's description of CAT scan examinations, learn how computed tomography works, or view the images.

Guide to the CAT, or CT, scan includes an overview, Q&As, related procedures, diseases the scan is used for, and related health facts.

Learn about the computerized tomographic scan x-ray, how they are performed, risks, and details of the test.

Read explanations of how CT scan works, contrast, risks, and what a patient can expect following the procedure.

View CT Scans of a fresh human cadaver, provided by the US National Library of Medicine as part of the Visible Human Project.