Fig. 5From: Primary lipoma arborescens of the knee may involve the development of early osteoarthritis if prompt synovectomy is not performeda, b, c Arthroscopic view of a right knee with a patellofemoral arthroplasty, subchondral bone exposure in the femoral condyle and diffuse synovitic proliferation. d AP view of patellofemoral arthroplastyBack to article page