The Brazilian was back in training with his team mates this week after missing Saturday's 2-2 draw with Palermo, which sent Inter 10 points clear with the help of Juve's 3-2 defeat at Genoa.
However, Colombian defender Nelson Rivas injured knee ligaments in training on Thursday and looks set to be out for the rest of the season.
Marco Marchionni is favourite to take Camoranesi's place on the right wing, but Cristiano Zanetti's hopes of coming in for Marchisio were dashed when he felt a sciatic nerve strain at the end of Friday's training session, the latest of the injury problems that have dogged him this season.
Captain Paolo Maldini should return for third-placed AC Milan's home game against Torino on Sunday after missing last week's 1-0 win at Chievo Verona with a thigh muscle problem. Maldini's presence would boost a back line without the suspended Marek Jankulovski.
Defenders Cicinho and Juan, midfielder Alberto Aquilani and forward Mirko Vucinic have fitness problems while the back line is also without Christian Panucci and Philippe Mexes, who were sent off in Saturday's 4-2 defeat by Lazio.
Fifth-placed Fiorentina also have troubles with suspensions ahead of Sunday's visit to Udinese.
Felipe Melo is serving the first part of a five-match ban for fighting with Cagliari's Diego Lopez at the end of last weekend's 2-1 win, while fellow midfielder Riccardo Montolivo is also out after getting a yellow card.
