Table 2.

Treatment Modalities.

Treatment Option	Examples
Bone marrow stimulation therapies	Bone marrow stimulation, debridement, microfracture
Retrograde drilling	Retrograde drilling
Fixation	Lift, drill, fill, fix
Matrix-assisted bone marrow stimulation	Autologous chondrocyte inducing chondrogenesis, matrix-associated stem cell transplantation, autologous matrix-induced chondrogenesis, bone marrow–derived stem cell transplantation
Cartilage implantation	Autologous chondrocyte implantation, matrix-induced autologous chondrocyte implantation, particulated juvenile cartilage allograft transplantation
Osteo(chondral) autograft transplantation therapies	Osteochondral autograft transfer system, autologous osteochondral transplantation
Osteo(chondral) allograft transplantation therapies	Allogenic osteochondral transplantation
Metal implants	Implant therapies