The 28-year-old has settled as an important player under Conte in Napoli since he became Boyhood Club Man United last summer.
With 11 goals and four assists in its 32 Series A appearances so far this season, losing him for the last two games can be devastating.
Napoli is at the top of the Serie A with 78 points, only an inter -placed Inter Milan, of their 36 games.
Several Italian points of sale report that Mctominoy's early exit from the training on Thursday led its concern to the club's medical team.
Conte has confirmed since then that he has problems, but has remained optimistic and said, “McTominay has had a few problems, but we will always find the solution, regardless of.”