Haemarthrosis of the knee presenting as ankle bruising.
D003937:Diagnosis, Differential; D006395:Hemarthrosis / Q000175:diagnosis / Q000209:etiology*; D006801:Humans; D007718:Knee Injuries / Q000150:complications*; D008297:Male; D008875:Middle Aged; D013924:Thrombophlebitis / Q000175:diagnosis