|Small plugs of cartilage and underlying bone are harvested from elsewhere, and packed into the prepared defect.|
|The gap between the plugs may fill with fibrous tissue rather than cartilage, which is a flaw in the procedure.|
How do they do a mosaicplasty?
Small plugs of normal cartilage are taken from another part of the knee and packed tightly together in the prepared cavity, resembling a mosaic. The gaps are filled with fibrocartilage to heal the defect and protect the joint surface from further damage.
Knee donor-site morbidity after mosaicplasty – a systematic review. Andrade R, Vasta S, Pereira R, Pereira H, Papalia R, Karahan M, Oliveira JM, Reis RL and Espregueira-Mendes J. J Exp Orthop. 2016 Dec; 3: 31.
A new point of view for mosaicplasty in the treatment of focal cartilage defects of knee joint: honeycomb pattern. Erol MF and Karakoyun O. Springerplus. 2016; 5(1): 1170.