NARA—The Seven-Pronged Sword, a treasured fourth-century artifact, underwent a groundbreaking scientific examination using an X-ray CT scan for the first time.

It's also important to recognize that CT scans use ionizing radiation to create images, and ionizing radiation—especially if the scan uses a high dose of radiation or a patient gets repeated ...

A 15-ICU multicenter validation effort led by Université de Montréal to test CT scans as a brain-death diagnostic tool reports that brainstem CT imaging alone cannot confirm neurological death ...

Deciding whether to get a CT scan is up to you. But it helps to know some context and details, and the right questions to ask your doctor.

A new study suggests the cancer risk from radiation emitted by the CT machine during a scan could be higher than previously thought — up to 103,000 cases from the 93 million scans performed in 2023.

Radiation from CT scans may be increasing the risk of cancer. Learn when CT scans are absolutely necessary, and when to ask for a different test.

Medicare covers medically necessary CT scans. Your exact out-of-pocket cost will depend on which part of Medicare covers the scan. Learn more.

CT scans are often essential — especially in emergencies like a serious car crash, when doctors need to quickly check for internal bleeding. But they’re also used far more often than necessary.

Computed tomography -- also known as computed axial tomography, a CT scan, or a CAT scan -- is a tool doctors use to diagnose many types of health problems. Special X-ray equipment creates images ...

A stomach-turning image of a parasite infection embedded in the muscle of a human body shows the dangers a person can face if they consume undercooked pork.

It’s also important to recognize that CT scans use ionizing radiation to create images, and ionizing radiation — especially if the scan uses a high dose of radiation or a patient gets repeated scans — ...