You guys are a piece of work...here goes again:
I'm not in the medical business...however I own a brain, fingers and the ability to look things up. This is NOT uncommon. According to several doctors who have gone, the ONLY drug that could reasonably be associated with the condition is Meth (don't think many elite athletes are dumb enough to be doing meth). And this is NOT uncommon:
It happened to 24 Oregon high school players back in 2003
http://www.nytimes.com/2010/08/24/sports/24tissue.html
And they quote a few other similar situations, one in 2008 involving 7 swimmers, and the other a case involving 119 high school students in Taiwan in 2005 (they had to do 120 push-ups in 5 min).