Great Britain defender Ifeoma Dieke has been ruled out of the rest of the Olympic football campaign after a scan revealed a cruciate knee ligament injury.
The Scottish player suffered the blow in the 3-0 win over Cameroon after going down in a battle for possession with opposition substitute Ajara Nchout and was carried off on a stretcher.
Women's coach Hope Powell sent the 31-year-old to have the injury assessed and the outcome means she is out of the tournament, team officials have confirmed.
The British Olympic Association have requested permission from the International Olympic Committee to bring Chelsea's versatile 24-year-old Dunia Susi into the squad as a replacement.
Great Britain have already qualified for the quarter-finals and play their final group game against Brazil at Wembley on Tuesday.