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
4DMedical inks major distribution agreement for CT:VQ
December 12, 2025
What causes lung cancers to be missed on screening?
December 12, 2025
Canon showcases CT innovations at RSNA 2025
December 10, 2025



















