Stain | Histologic parametera | Scoreb |
---|---|---|
Safranin O/Fast Green | Surface/superficial architecture | Cartilage defect |
Adjacent | ||
Inflammatory cell infiltrate | Cartilage defect | |
Adjacent | ||
Repair–host integration | Cartilage defect | |
Basal neocartilage–bone integration | Cartilage defect | |
Surface/superficial assessment | Cartilage defect | |
Adjacent | ||
Mid/deep zone assessment | Cartilage defect | |
Adjacent | ||
Overall assessment | Cartilage defect | |
Adjacent | ||
Matrix staining (metachromasia) | Cartilage defect | |
Adjacent | ||
Calcification/ossification | Cartilage defect | |
Adjacent | ||
Subchondral bone vascularization | Bone subchondral | |
Surrounding | ||
Presence of bone void (with or without fibrovascular tissue and without secretory lining), yes/no | Bone subchondral | |
Immunohistochemistry | C2: type II collagen | Cartilage defect |
Adjacent |