Dear Dr. Roach: I'm set to have a CT scan of my lungs with iodine dye. I have hypothyroidism and am on 25 mg of levothyroxine. Should I take the medicine the day of the test? Or should I have the CT ...

A new study in JNCI Cancer Spectrum finds that exposure to radiation from CT scans is associated with higher risks of developing thyroid cancer and leukemia. Researchers here conducted study from a ...

Recent findings suggest CT scans could be a major cancer risk, but some critics don’t think the estimates add up.

The prevalent use of CT scans may account for 1 in 20 cancers annually, according to new research. The study, published Monday in JAMA Internal Medicine, suggests CT-related radiation is linked to ...

A stock photo of a person undergoing a CT scan A recently published study has found that the radiation from CT scans could potentially lead to thousands of cancer diagnoses "These findings suggest ...

If your doctor orders a CT scan, here is what you need to know: A computed tomography scan — also called a CT or CAT scan — is an imaging test that lets doctors see inside a person’s body. As a ...

CT scans and MRIs both capture images within your body. CT scans provide pictures of tissues, organs, and skeletal structure, while MRIs are more detailed and can show abnormal tissue. The biggest ...

CT scans and MRI scans are two different medical imaging methods that create detailed images of internal body parts, such as bones, joints, and organs. Doctors order CT scans or MRI scans to help ...

DEAR DR. ROACH: I'm set to have a CT scan of my lungs with iodine dye. I have hypothyroidism and am on 25 mg of levothyroxine. Should I take the medicine the day of the test? Or should I have the CT ...