A CT scan of healthy lungs looks typical in size with no inflammation, allowing the diaphragm to dome. Lungs with emphysema can look overinflated, with muscle loss, making the diaphragm misshapen. The ...

Recently, a patient came to the hospital where I work with a persistent cough. Their doctor had ordered a CT scan – a type of ...

A older patient is guided into a CT scanner — an essential diagnostic tool whose life-saving power is now being weighed against growing concerns about long-term radiation exposure. Computed tomography ...

CT scans can play a role not just in diagnosing but also in monitoring non–cystic fibrosis bronchiectasis management, explained James D. Chalmers, MD. The use of CT scans is moving beyond a simple ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. Do CT scans raise your risk of cancer? A new study weighs in. (Getty Images) Radiation is everywhere—in the air we breathe, the ...

Medical imaging plays a crucial role in modern healthcare, helping doctors see what is happening inside the body without surgery. Whether it is an X-ray after an injury or an MRI to investigate ...

Computed tomography (CT or CAT) scans help doctors detect everything from cancer to kidney stones. But some physicians are raising concerns about the safety of such procedures — most notably, an ...

A research team has developed a versatile machine learning model that could one day greatly expand what medical scans can tell us about disease. Scientists used their tool, named Merlin, to assess 3D ...

Medical professionals use CT scans to help diagnose and stage bladder cancer. While CT scans can provide valuable information, they are not perfect and have certain limitations. However, CT scans may ...