Because he celebrated in full time England, the field in the second half limped off and was on crutches.
“I presume he’s performed a lateral ligament,” explained England head coach Eddie Jones. “clearly we’ll explore that.
“He’ll be a loss for all of us we’ve got some other very good players to come into the squad so we’ll wait and watch “
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Wasps next row Joe Launchbury is preferred to be predicted in to the matchday squad for England’s match against France at Twickenham on Sunday February when Itoje is unavailable.
Itoje, 2 4, chipped a bone in his knee on England duty in November but played four autumn internationals.
England are after claiming the four-try bonus-point success in their opening 25, equal on issues with Scotland towards the peak of the Six Nations table.