Jimmy Calderwood said in the P&J: "Nobody wants an operation unless it's an acute injury, so you try these things. If the injection doesn't work, that could be him out for the season.
"The doctor seems quite confident it will work and Fernando, although he is disappointed to be out of action, seems quite upbeat. He just wants to get to the bottom of it."
24-year-old Pasquinelli not played since December and has scored three goals in his ten appearances this term, which is one more than Noel Whelan has mustered in fifteen games.