“Being so close to a childhood dream of mine, to play in a World Cup, and now it has been taken away from me with an injury. It’s been a tough one to get my head around.
“Your support and kind messages over the last few days mean the world to me and haven’t gone unnoticed, so thank you so much.
“I’ll see you all back doing what I love again soon, but until then, let’s get behind the team and cheer them on. Come on Scotland!”
Scotland have qualified for their first World Cup finals since 1998.
Head coach Steve Clarke and his squad left Glasgow for the United States on Sunday and face Bolivia in their final warm-up friendly on Saturday in New Jersey.
Scotland start their Group C campaign against Haiti on Sunday, 14 June before playing Morocco and Brazil.