Medical imaging scans that create detailed images of the body's internal structures are widely used in medicine. Doctors need them to detect and manage certain types of cancer, assess the extent of ...

Smaller lymph nodes commonly seen on abdominal CT scans in "healthy" people are not clinically significant and require no further imaging, a new study confirms. The study was performed because there ...

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 of ...