1.   For example selective computed tomography could be performed instead of whole body scans, which are extremely expensive.

2.   Body scans for healthy people were once the exclusive province of the rich, part of the gold-plated annual physical for executives.

3.   But a total body scan would have found the masses in his kidney, liver, and lung, Casarella said.

4.   The body scans are a new technology.

5.   The nuclear material can then be detected through a body scan.

6.   They contained a reagent in a fluid which was injected into the patients before a body scan.