The Food and Drug Administration said some patients received up to eight times the normal amount of radiation. High doses of radiation can cause cataracts and increase the risk of some forms of cancer.
In October, the FDA said it was investigating 206 cases of patients being overexposed to radiation during CT perfusion scans of the brain at Cedars-Sinai Medical Center in Los Angeles during an 18-month period.
U.S. probing more cases of CT radiation overexposure
