Use of head CT scans in U.S. emergency departments has more than doubled over the past 15 years, a new study says. Nearly 16 million head CT scans were ordered by ERs in 2022, up from under 8 million ...

Abdominal CT scans help diagnose conditions like cancer, kidney stones, and injuries. CT scans use radiation, but the risk is small, and they're done quickly. Healthcare providers use abdominal ...

Several imaging procedures have been developed to help diagnose diseases in humans. Examples include X-ray imaging, ultrasonography, and computed tomography, also known as CT scans. CT scans have been ...

My doctor recently recommended that I get a cardiac CT calcium scan to help stratify my risk of cardiovascular disease (CVD). So of course I was interested in how good this scan is, because diagnostic ...

A risk model suggested that CT exams in 2023 were projected to lead to over 100,000 future cancers over the lifetime of exposed patients. Previous projections published in 2009 had estimated that ...

About 40% of cancers among Americans can be attributed to potentially modifiable factors such as smoking, drinking, obesity, and physical inactivity. If a widely reported study from earlier this year ...

A large Canadian study has found that women exposed to radiation from CT scans shortly before becoming pregnant may face higher risks of miscarriage and birth defects in their babies. The findings, ...

Prior CT scans linked with increase in current pregnancy risks Pregnancy risks rise with number of prior CT scans, scans near ovaries Young women should be offered alternatives to CT when possible ...

A population-based cohort study evaluated the risk for spontaneous pregnancy loss and congenital anomalies in offspring of women exposed to computed tomography (CT) ionizing radiation before ...

A young, thriving Brazilian lawyer tragically died after suffering a severe allergic reaction during a routine CT scan. Leticia Paul, 22, suffered an anaphylactic shock on Wednesday while undergoing a ...

CT scans undoubtedly save lives. But there is a tiny risk that its ionizing radiation might lead to a cancer-causing mutation. In early 2025, researchers estimated just how many new cases of cancer in ...

What if your old chest scans—taken years ago for something unrelated—held a secret warning about your heart? A new AI tool called AI-CAC, developed by Mass General Brigham and the VA, can now comb ...