Sidibe has scored three Premier League goals for Stoke this season
Stoke City striker Mamady Sidibe will undergo a scan on his injured knee on Monday after being taken off on a stretcher during the draw with Fulham.
The Mali international, 28, landed awkwardly as he challenged for a header in the opening minute of the game.
Potters manager Tony Pulis told BBC Radio Stoke: "The injury affected everyone. He's been such an important player for us this year.
"When Mama goes down and doesn't get up, you fear the worst."
Sidibe is the latest player to be added to the injury list at Stoke, with several others also nursing problems.
Andy Griffin and Salif Diao missed the game against Fulham with injuries, while Rory Delap struggled to shake off the effects of a shoulder problem.
The 0-0 draw extended Stoke's unbeaten run at the Britannia Stadium to six matches, but Pulis insisted his team could have taken all three points against the Cottagers.
He added: "I think Fulham are a good side, they pass the ball well.
"You need to take your chances when they come along, and we had a couple of opportunities. If we score one of those, it's a different game."
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