Fig. (2) Magnetic resonance images: a) post-traumatic coronal MR image of the knee (bone bruise in the lateral condyle); b) post-traumatic sagittal MR image of the knee (bone bruise in the lateral condyle); c) coronal MR image of the knee obtained at the last control visit (after nine months); d) sagittal MR image of the knee obtained at the last control visit (after nine months).