Table 2.
International Cartilage Repair Society Macroscopic Evaluation of Cartilage Repair.
| Cartilage repair assessment ICRS | Points |
|---|---|
| Degree of defect repair | |
| In level with surrounding cartilage | 4 |
| 75% repair of defect depth | 3 |
| 50% repair of defect depth | 2 |
| 25% repair of defect depth | 1 |
| 0% repair of defect depth | 0 |
| Integration to border zone | |
| Complete integration with surrounding cartilage | 4 |
| Demarcating border < 1 mm | 3 |
| 3/4th of graft integrated, 1/4th with a notable border > 1 mm width | 2 |
| 1/2 of graft integrated with surrounding cartilage, 1/2 with a notable border > 1 mm | 1 |
| From no contact to 1/4th of graft integrated with surrounding cartilage | 0 |
| Macroscopic appearance | |
| Intact smooth surface | 4 |
| Fibrillated surface | 3 |
| Small, scattered fissures or cracks | 2 |
| Several small or few but large fissures | 1 |
| Total degeneration of grafted area | 0 |
| Overall repair assessment | |
| Grade I: normal | 12 |
| Grade II: nearly normal | 11–8 |
| Grade III: abnormal | 7–4 |
| Grade IV: severely abnormal | 3–1 |
ICRS: International Cartilage Repair Society.