You need to follow the information of this topic: Recovering hacked accounts or accounts with lost passwords <==
https://bitcointalk.org/index.php?topic=497545.0 The idea is to PM any of the admin. Then update the OP with your main account's profile link and the singed message so that someone else can verify it.
Good luck.
PS: Move this topic to the meta board. It's a topic for meta board and you changes to get the account back will be higher as well.
Scroll down a bit then on the left hand side look for
move topic link. Click it then follow the on screen instructions.