"In other words, if you do a CT scan to calculate volume differences in the lungs the first time and then you try to do it again, you get different results every time for the same patient, making ...

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 ...

Christy Lorio lives her life from one CT scan to the next. Every three months, her body slides into the massive CT scan machine — short for computed tomography — to capture images of her organs. It’s ...

Many U.S. hospitals are postponing scans used to diagnose diseases after a Covid lockdown in China hobbled the main U.S. supplier of an imaging chemical. By Reed Abelson Doctors cannot seem to ...