Radiation Overdoses Point Up Dangers of CT Scans

[snopes]

At a time when Americans receive far more diagnostic radiation than ever before, two cases under scrutiny in California — one involving a large, well-known Los Angeles hospital, the other a tiny hospital in the northern part of the state — underscore the risks that powerful CT scans pose when used incorrectly.

http://www.nytimes.com/2009/10/16/us/16radiation.htm