Gordon, who received his first senior England call-up on Thursday, was forced off in the first half of the Magpies' 3-2 defeat at Chelsea in the Premier League on Monday after sustaining a knee injury.
However, Howe has confirmed that the 23-year-old briefly took part in a training session on Thursday and is hopeful that the winger will be available for selection against Man City.
«It was a strange one. Initially, when you see a player come off like that, you do fear there's a serious injury but he partly trained yesterday,» Howe said at a press conference on Friday.
«He joined in, seemed okay and I don't think he did anything serious which is great news for us. We train again today and we'll do a full session. We'll make a judgement after that.
»There was a feeling of relief regarding him. It's been a rare feeling for us that we've had one go that way. Most of the time, it has gone the other way when things don't look serious and it's turned out to be more complicated than we first thought so I'm delighted because he has been integral to our success."
Howe has also revealed that midfielder Sean Longstaff has been playing through the pain barrier with a foot injury sustained last season, and has required injections to get himself through matches.
«Sean needs to train regularly to get his best rhythm. I think his training in the last few weeks has been disrupted by an ongoing foot problem he first received against Everton at the end of last season,» said Howe.
«Last week he had an injection but did train, but late in
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