CT Scan Directory
A CT scan, also known as a CAT scan, is an imaging test that details the inside of the body. Contrast dye may be used to help visualize some abnormalities. Follow the links below to find WebMD's comprehensive coverage about how a CT scan works, the many uses of CT scans, and much more.
Diagnosing Heart Disease With Cardiac Computed Tomography (CT)
Learn more from WebMD about high-tech tests for heart disease, including CT scans, PET scans, total body CT scans, calcium-score screening, and coronary CT angiography.
Prostate Cancer: CAT Scans
Learn more from WebMD about getting a CAT scan if your doctor suspects your prostate cancer has spread.
CT Scans for Headache & Migraine Diagnosis
A CT scan of the head may be recommended for people with frequent migraines or headaches, in order to rule out other causes of the pain. WebMD tells you what to expect.
What Is a CT Scan?
Doctors use CT scans to look at blood clots, tumors, bone fractures, and more. Learn how this test works, as well as its benefits and risks.
The New Heart Tests: Which Ones Should You Have?
Experts explain the pros and cons of coronary calcium scores, carotid artery ultrasound, and CT heart scans.
Diagnostic Imaging: Beam Me Up Dr. McCoy
We're not quite at the Star Trek level yet with imaging technology, but recent advances are fine-tuning your medical care.
X-Rays, CT Scans, Radiation, and Children
WebMD reports on radiation from X-rays and CT scans, and when children might not need these tests.
Imaging the Heart: The New Frontier
New advances in MRIs, CT scans and echocardiography reveal the mysteries of the malfunctioning heart.