From: Arthroscopic treatment of synovial chondromatosis of hip joint
 |  | No. of hips (%) |
---|---|---|
Synovial hypertrophy | Â | 21 (100) |
Labrum | Tear | 18 (85.7) |
Fraying and degeneration | 3 (14.3) | |
Osteophytosis | At junction of head and neck | 5 (71.4) |
At acetabulum | 1 (4.8) | |
At 2 ends | 14 (66.7) | |
Acetabulum cartilage defect | Outerbridge stage 0 | 1 (4.8) |
Outerbridge stage I | 3 (14.3) | |
Outerbridge stage II | 4 (19) | |
Outerbridge stage III | 6 (28.6) | |
Outerbridge stage IV | 7 (33.3) | |
Femoral head cartilage defect | Outerbridge stage 0 | 2 (9.5) |
Outerbridge stage I | 8 (38.1) | |
Outerbridge stage II | 7 (33.3) | |
Outerbridge stage III | 3 (14.3) | |
Outerbridge stage IV | 1 (4.8) |