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Modified Outerbridge classification and treatment of chondral lesions in the wrist.1
| Grade | Cartilage lesion | Treatment |
|---|---|---|
| 1 | Softening | Debridement and localized synovectomy |
| 2 | Fibrillation and fissuring | Debridement and localized synovectomy |
| 3 | Fibrillated lesion of varying depth | Debridement and localized synovectomy |
| 4 | Full-thickness defect down to bone | Abrasion chondroplasty and subchondral drilling |
