The north Londoners released a club statement confirming that midfielder Dejan Kulusevski has undergone knee surgery, after being withdrawn during the first half of Sunday's 2-0 home defeat to Crystal Palace.
"We can confirm that Dejan Kulusevski suffered an injury to his right patella [knee bone] in our Premier League fixture against Crystal Palace last weekend," the statement says.
"Following further specialist consultation, the midfielder has undergone surgery today ([Wednesday] and will commence his rehabilitation with our medical staff immediately."
Kulusevski has been an important figure for Spurs this season, scoring 10 goals and supplying 11 assists during his 50 appearances across all competitions.