When it comes to finding kidney stones, CT scans remain the most accurate option, but they come with radiation risks. Ultrasound avoids radiation but can miss smaller stones or overestimate their size ...

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 ...

Preparation guidelines for a CT scan depend on the type of scan you’re having. If you’re having a bowel scan or a scan with contrast dye, you may need to adjust your diet. Preparation for a CT scan ...

An injected iodine-based substance often used to enhance the images produced by CT scans is safe for most patients, a new study reveals. The so-called contrast material is used in at least half of the ...

CT scans are one of the most effective medical tools available today, providing an in-depth look inside the human body to spot tumors, detect brain bleeds and other ailments. But a new study suggests ...