Fig. 2From: Open synovectomy treatment for intra- and extraarticular localized pigmented villonodular synovitis of the knee: a case reportIntraoperative findings. a Exposure of the extra-articular mass originating from the lateral patellar retinaculum. (b. c) As the abnormal synovium was excised completely, the focal defect lateral patellar retinaculum was repaired. d The 13 cm median incision was sutured with skin staplesBack to article page