The Senegalese attacker suffered damage to his shoulder and collarbone when he landed poorly after
He has since undergone extensive tests. But there was a need for further checking due to the fact that swelling can sometimes render results inconclusive.
Team medics are hoping that two weeks of resting will be enough for the player to heal, but if not, he could require corrective surgery that will rule him out of the nine fixtures Stoke have remaining.
The striker's work rate is understood to have won new boss Paul Lambert over very quickly. And he has started five matches out of the six the manager has been in charge of since his taking over from Mark Hughes.
But Lambert will only have Peter Crouch and Jese to call upon for the next two matches at least, leaving him with a big gap to plug.