The U.S. Food and Drug Administration is investigating cases of radiation overexposure during CT brain perfusion scans conducted to aid the diagnosis and treatment of stroke. The agency said that at one particular facility, patients received radiation doses that were eight times the expected level.
FDA issues radiation alert after CT brain perfusion overexposure
Oct 7, 2009
Latest in CT
United Imaging promotes portfolio and works in progress
December 1, 2025
a2z Radiology AI nabs U.S. FDA clearance for CT device
November 26, 2025
Use precontrast, low attenuation CT to better identify liver cancer
November 25, 2025


















