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Mankin Cartilage Histology Scale
| Structure | Score | Proteoglycan Staining | Score |
|---|---|---|---|
| Normal | 0 | Normal | 0 |
| Surface Irregularities | 1 | Slight Reduction | 1 |
| Pannus | 2 | Moderate Reduction | 2 |
| Cleft to Transitional Zone | 3 | Severe Reduction | 3 |
| Cleft to Radial Zone | 4 | No Dye Noted | 4 |
|
|
|||
| Cleft to Calcified Zone | 5 | Cellularity | |
| Complete disorganization | 6 | Normal | 0 |
|
|
|||
| Tidemark Integrity | Diffuse Hypercellularity | 1 | |
| Intact | 0 | Cloning | 2 |
| Crossed by Blood Vessels | 1 | Hypocellularity | 3 |
