Scans on Charlie Curnow's sore knee have cleared the Carlton forward of structural damage. -AAP Image
Carlton are breathing a sigh of relief after scans on star forward Charlie Curnow's sore knee revealed no structural damage.
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Curnow left the field in discomfort during the Blues' match simulation session at Ikon Park on Saturday and had his right knee assessed by medical staff.
The two-time Coleman Medal winner was then sent for precautionary scans, which came back clear.
Curnow will remain on a modified training program as he builds back to full fitness after undergoing knee and ankle surgeries in the off-season.
The 28-year-old was only scheduled to take part in half of the Blues' match simulation session and looked good early, marking well and kicking a goal.
Carlton have pre-season hit-outs against St Kilda and GWS this month before starting the home-and-away season against Richmond on March 13.