An imaging test could safely halve the number of people who need a biopsy for suspected prostate cancer following ...

Full body CAT scans are popular because they spot tiny tumors and other problems other tests miss. A new study finds the level of radiation from the scans may cause other problems. Bernie Deubel's ...

How do you distinguish between a CT scan and an MRI scan? originally appeared on Quora: the place to gain and share knowledge, empowering people to learn from others and better understand the world.

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 ...