When diagnosing kidney stones, using ultrasound instead of CT scans reduces costs as well as patients' exposure to radiation, according to new research. A separate study also found that people with ...

CT scans diagnose afflictions from tumors to kidney stones to life-threatening diseases and injuries, such as aneurysms and blood clots leading to stroke. But the radiation emitted by this essential ...

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 ...