Background
Case presentation
Left knee | Right knee | |||||
---|---|---|---|---|---|---|
Pre | 6-mo FU | 12-mo FU | Pre | 6-mo FU | 12-mo FU | |
Limping | 3 | 3 | 5 | 3 | 1 | 3 |
Weight bearing | 5 | 5 | 5 | 5 | 5 | 5 |
Blocking | 6 | 15 | 15 | 15 | 10 | 15 |
Instability | 25 | 25 | 25 | 15 | 10 | 10 |
Pain | 15 | 20 | 20 | 15 | 0 | 20 |
Swelling | 10 | 10 | 10 | 6 | 6 | 10 |
Climbing stairs | 10 | 10 | 10 | 10 | 10 | 10 |
Crouching | 5 | 5 | 5 | 5 | 5 | 5 |
Total | 79 | 93 | 95 | 74 | 47 | 78 |
Variables | Left knee | Right knee |
---|---|---|
1. Degree of defect repair and filling of the defect | 20 | 15 |
Complete (20) | ||
Hypertrophy (15) | ||
Incomplete | ||
>50 % of the adjacent cartilage (10) | ||
<50 % of the adjacent cartilage (5) | ||
Subchondral bone exposed | ||
2. Integration of the border zone | 10 | 15 |
Complete (15) | ||
Incomplete | ||
Demarcating border visible (slit like; 10) | ||
Defect visible <50 % of the length (5) | ||
Defect visible >50 % of the length (0) | ||
3. Surface of the repair tissue | 5 | 5 |
Surface intact (10) | ||
Surface damaged <50 % of depth (5) | ||
Surface damaged >50 % of depth (0) | ||
4. Structure of the repair tissue | 0 | 0 |
Homogeneous (5) | ||
Inhomogeneous (0) | ||
5. Signal intensity of the repair tissue | 30 | 15 |
Normal (identical to adjacent cartilage; 30) | ||
Nearly normal (slight areas of signal alteration; 15) | ||
Abnormal (large areas of signal alteration; 0) | ||
6. Subchondral lamina | 0 | 0 |
Intact (5) | ||
Not intact (0) | ||
7. Subchondral bone | 0 | 5 |
Intact (5) | ||
Not intact (0) | ||
8. Adhesions | 5 | 5 |
No (5) | ||
Yes (0) | ||
9. Effusion | 5 | 5 |
No (5) | ||
Yes (0) | ||
TOTAL | 75 | 65 |