Raul Jimenez will see a specialist on May 18 to see if he has a chance of playing again for Wolves this season.
The Mexican suffered a fractured skull in the win over Arsenal in late November. Although he has returned to training in recent weeks, Jimenez has not yet had clearance to resume heading the ball.
If that comes later this month, it is possible the 30-year-old could play some role - if not against Everton on May 19 then in the season finale against Manchester United four days later.