Tottenham striker Vincent Janssen has been ruled out of action until April with a foot injury.
A source close to the club revealed to Turkish-Football that the Netherlands international is expected back earliest by April.
Janssen will almost certainly miss the three big Istanbul derbies against rivals Galatasaray, Besiktas and league leaders Basaksehir.
The 23-year-old has already missed the last two months due to an injury which was initially not reported to have been serious.
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The Netherland international ran into complications after surgery was avoided due to problems with the nerve endings in his toe.
Janssen has undergone tests from doctors from the Tottenham medical team to assess his problem.
The striker will wear a specially designed shoe to aid his rehabilitation but will not be able to train in the near future.
Janssen scored three goals and four assists in all 13 appearances for Fenerbahce in all competitions this season.