Arthroscopic Microfracture” Debridement Image removed due considerations Image removed due to copyright considerations Osteochondral Autograft Current clinical Practice Image removed due Image removed due to copyright considerations considerations Total Knee Replacement Autologous chondrocytes injected under a periosteal flap (act)Arthroscopic Debridement “Microfracture” Osteochondral Autograft Autologous chondrocytes injected under a periosteal flap (ACT) Total Knee Replacement Current Clinical Practice Image removed due Image removed due to copyright to copyright considerations considerations Image removed due Image removed due to copyright to copyright considerations considerations Image removed due Image removed due to copyright to copyright considerations considerations Image removed due Image removed due to copyright to copyright considerations considerations