Psoriatic Arthritis - is it possible?

I have had back surgery on the L5-S1 in a work related injury.  I have been dealing with a great deal of pain in the surgical area since.  I am now breaking out with spots mostly on my legs and back area.  I am also swelling in my legs.  I posted a previous question regarding a diagnosis on May 13th and May 10th and still have had no reply.  I am desperately seeking some advice outside the local realm. Is it possible I may have Psoriatic Arthritis and if so, what causes this condition to occur?

[DrTanase]

It's sounds to me like someone put the idea of psoriatic arthritis in your head, and now you're running with it.

The symptoms you are describing don't really match up with P.A.