Mbappe pulled up with a left thigh problem after scoring in last week's 3-2 Champions League win at Atalanta and missed Saturday's 3-3 league draw at Rayo Vallecano.

Real missed the chance to move above leaders Barcelona in LaLiga as they stay second on 37 points from 17 matches, one behind the Catalans who host Leganes on Sunday when Atletico, in third place on 35 from 16 games, welcome Getafe.

"Following tests carried out on Kylian Mbappe today by the Real Madrid medical department, the player has been diagnosed with a thigh injury in his left leg. His progress will be monitored," Real said in a statement.

Real Madrid have endured a series of injuries this season, with several key players missing significant time, including Dani Carvajal and Eder Militao who are out for the rest of the campaign with ACL tears.

Six players from Champions League winners Real Madrid and four from Manchester City feature in this year’s FIFPRO World 11 announced on Monday by the global players' association, with Lionel Messi absent for the first time in almost 20 years.

Atalanta roll into Tuesday's Champions League clash with Real Madrid believing they can make more history as the new Serie A leaders aim for a top-eight finish and to push the 15-time kings of Europe closer to a shock elimination.

Spanish champions Real Madrid beat Getafe 2-0 to move second in La Liga on Sunday with Kylian Mbappe finding the net after a difficult week.

Mbappe, who joined in the summer at the end of his Paris Saint-Germain contract, was criticised for his performance and has netted just two goals in his last nine games for Madrid.

Mbappe, who joined in the summer at the end of his Paris Saint-Germain contract, was criticised for his performance and has netted just two goals in his last nine games for Madrid.

The 23-year-old was forced off with a muscle injury in their 4-0 thrashing of Osasuna at the Bernabeu earlier in November

"The player has been diagnosed with a muscular injury in the biceps femoris of his left leg. His progress will be monitored," Real Madrid said in a statement without revealing the length of his absence.

Striker Kylian Mbappe had another subdued and disappointing performance for Real Madrid on Wednesday, failing to seriously trouble Liverpool's defence and missing a penalty in their 2-0 Champions League defeat at Anfield.

Real Madrid's Jude Bellingham feels he is most effective playing as an attacker but the England international said he is willing to play a more withdrawn role to accommodate his team mates and help the side win.

Spanish media reported the Brazilian winger is expected to miss almost a month, which would also keep him out of the Champions League visit to Atalanta on December 10, as well as Wednesday's match at Anfield.

Kylian Mbappe believes he is finally getting up to speed with his Real Madrdid teammates after scoring in a 3-0 LaLiga win at Leganes on Sunday.

"We changed the position of the forwards, with Mbappe outside and he did well, like Vinicius inside," said Ancelotti.

Real Madrid chief Florentino Perez lashed out at various targets during the club's annual general meeting on Sunday including European and world football governing bodies UEFA and FIFA.

Mbappe has scored only one goal in his last seven games and has gone over 400 minutes without netting for Real Madrid in all competitions as he continues to struggle playing as a centre forward.

Spanish champions Real are auctioning pieces of the club's changing area after rebuilding their iconic Bernabeu stadium.

Hammered by Barcelona in a league Clasico and then outplayed by AC Milan in the Champions League, Carlo Ancelotti's side badly needed this confidence-boosting victory.