The 22-year-old will visit a specialist next week to learn his fate, with Raiders medical staff fearful the Melbourne Storm recruit may have fractured his leg which would potentially require an operation to heal.

Scott has been sidelined since leaving the field against Canterbury in round 16 last month, and is still unable to train despite initially being thought to have avoided serious injury.

A permanent metal plate in his leg, inserted after he broke his right fibula while playing for the Storm in 2016, is shielding the area affected by his latest injury. That is preventing the Raiders centre from undergoing an MRI scan.

"He's unable to scan that part of his leg because the bone they want to scan is right under the plate," Canberra coach Ricky Stuart said.

"There's every possibility that could be fractured. It could be season for Curtis but I don't want that to be gospel.

"He's still unable to train, it might only been one to two weeks. I'm hoping over the next 24 to 48 hours we can get a little bit more clarification on whether it's a fractured leg again."

Scott has endured a season from hell since signing from the Storm on a four-year deal.

He was arrested on January 27 in Moore Park in Sydney, but all charges against him were dropped last week after disturbing vision of his treatment at the hands of NSW Police was played in court.

That was a seven-and-a-half month long saga during which time Scott was forced to remain tight-lipped on the incident, while trying to win over Raiders fans.

"It's been such a frustrating season for Curtis with not only the incident at the start of the year but a couple of injuries," Stuart said.

"It hasn't been the most enjoyment this season for Curtis that he's had previously but it's frustrating and we've got people around him making sure that mentally he's okay too because it does knock you round.

"He's had a lot of stress and worry this year, when you're not doing something you care about and you really want to do it gets you.

"Not to say that there's anything wrong with him from a mental point of view but it does really play on your mind.

"I know what it's like as a player and players now when they miss one week to two weeks it's frustrating. When you've had a really disrupted season it does get you frustrated."

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Scott has managed 13 matches for the Raiders this season despite his injury troubles, although he has returned just two tries and struggled to establish himself at right centre.

He was signed as a 2017 premiership player at the Storm who had been on Brad Fittler's NSW Blues radar, but hasn't been able to capture his best form since switching to lime green.

"I want to make sure that it [Scott's leg] is 100 per cent before he comes back," Stuart said last week.

"He's never used it [his arrest] as an excuse. Credit to him, he hasn't looked at the soft option.

"Now seeing what I've seen, I totally understand how it has affected his thinking and preparation towards football. I believe that he has a lot to offer.

"We've got some people filling in at the moment and we've got a bit of depth so it's important to get him back 100 per cent at this time of the year."

Veteran Jordan Rapana has taken Scott's place at right centre, while young gun Semi Valemei has been filling in on the left wing where he has been named to start against the New Zealand Warriors on Sunday.

Valemei scored a try in Saturday's 37-8 win over the St George Illawarra Dragons which kept the Raiders' flickering top-four hopes alive.

To finish fourth, Canberra must win its last two games, and hope Parramatta loses to either Brisbane or the Wests Tigers.

Should the Raiders finish fifth they will likely host Cronulla or Newcastle in round one of the finals.