OCD	osteochondritis dissecans.
PICO	Patients, Interventions, Comparisons, Outcomes.
PRISMA	Preferred Reporting Items for Systematic Reviews and Meta-Analyses.
CRIF	close reduction and internal fixation.
ORIF	open reduction and internal fixation.
MFC	medial femoral condyle.
LFC	lateral femoral condyle.
PGA	polyglycolic acid.
PLA	polylactic acid.
ACI	autologous chondrocyte implantation.
HA	hydroxyapatite.
PLLA	poly-L-lactide acid.