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    The Radiation Control Program (RCP) is within the
    Division for Regulatory Services
    P. O. Box 149347
    Austin, TX 78714-9347
    512-834-6770


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Computed Tomography (CT)

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RADIATION CONTROL PROGRAM


Computed Tomography (CT)

As part of our ongoing mission to ensure health and safety, the Texas Department of State Health Services, Radiation Control Program is bringing information regarding excess radiation exposure during brain perfusion Computed Tomography (CT) imaging to your attention.

There is an ongoing investigation by the U.S Food and Drug Administration (FDA), of cases of excess radiation exposure during brain perfusion CT imaging. The investigation has identified over 250 patients who were exposed to excess radiation as much as eight times the expected level during their CT perfusion scans. The FDA has also received reports of possible excess radiation exposure from CT scans in other states. At this time, no cases have been reported in Texas. The reported cases do involve more than one manufacturer of CT scanners.

Based on this investigation, the Department of State Health Services is making two requests of all CT facilities in Texas. First, we are requesting that facilities conduct an internal review of their CT protocols to ensure they are correct and are the intended protocol for the examination to be conducted, and second, implement as appropriate, the recommendations of the position statement from the Conference of Radiation Control Program Directors, Inc. (CRCPD) (PDF 44KB)

Additional information on the FDA investigation may be found on the FDA Web site under, "Safety Investigation of CT Brain Perfusion Scans: Update 12/8/2009" (Opens new window)

If you have questions, please email  Lisa Bruedigan.


Helpful Links for More Information on CT Scans

The Alliance for Radiation Safety in Pediatric Imaging

The American Association of Physicists in Medicine

The American College of Radiology

Conference of Radiation Control Program Directors (CRCPD)


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Division for Regulatory Services - P. O. Box 149347 - Austin, Texas 78714-9347 - (512) 834-6770

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Last updated December 20, 2010