A computerized tomography scan, also called a CT scan, provides detailed images of your body to help doctors diagnose and treat various health conditions, including cancer. However, there have been concerns about the potential cancer risks associated with the radiation exposure from repeated scans.

Here I’ll explain how CT scans work, their important role in diagnosing and treating cancer, and how we minimize radiation exposure...

You may already know that MRIs and CT scans are two of the imaging methods doctors use to diagnose and stage cancer. 

But do you also understand what the difference is between them? And, how physicians decide which one is most appropriate for you?

To answer these and six other questions, we went to Melissa Chen, M.D., a neuroradiologist who specializes in the diagnosis of brain tumors and head and neck cancers....