"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 ...

The most commonly employed neuroimaging method for the evaluation of acute stroke is a CT scan without the administration of contrast material (noncontrast CT [NCCT]). Indeed, this is the only study ...

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 ...

Erin Dwyer has been doing a lot of waiting. After a sonogram in December, she found out that she has a growth on her right kidney and had to wait months to see a specialist. Now she’s waiting for a CT ...

A simple CT enhancement measure is able to differentiate a benign form of kidney cancer from an occasionally lethal subtype of renal cell carcinoma (RCC) with virtually 100% accuracy, sparing patients ...

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 ...