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 ...

CHICAGO – A single 15-minute CT scan may be all it takes to find tiny cancers, stones and other problems in the kidneys, bladders and urinary tracts of high-risk patients -- potentially saving them ...

When diagnosing kidney stones, using ultrasound instead of CT scans reduces costs as well as patients' exposure to radiation, according to new research. A separate study also found that people with ...

In December 2025, we reviewed the recommendations on point-of-care creatinine devices for assessing kidney function before CT imaging with intravenous contrast. Surveillance decision We will not ...