The nonmammography patient exposure graphs on the Radiation Safety Section website have been updated to include data from 2003 through 2007, and the mammography dose graph has been updated to 2007 data. Nonmammography inspection frequency is about every 5 years, and mammography facilities are inspected annually.
We continue to see an increase in the number of digital systems in all categories.
Webpage on Patient Radiation Exposure Information.