Research Article
Mesenchymal Stem Cells in Oriented PLGA/ACECM Composite Scaffolds Enhance Structure-Specific Regeneration of Hyaline Cartilage in a Rabbit Model
Table 3
International Cartilage Repair Society Visual Histological Assessment Scale for Cartilage Repair.
| Feature | Points |
| I. Surface | | Smooth/continuous | 3 | Discontinuities/irregularities | 0 | II. Matrix | | Hyaline | 3 | Mixture: hyaline/fibrocartilage | 2 | Fibrocartilage | 1 | Fibrous tissue | 0 | III. Cell distribution | | Columnar | 3 | Mixed/columnar clusters | 2 | Clusters | 1 | Individual cells/disorganized | 0 | IV. Cell population viability | | Predominantly viable | 3 | Partially viable | 1 | <10% viable | 0 | V. Subchondral bone | | Normal | 3 | Increased remodeling | 2 | Bone necrosis/granulation tissue | 1 | Detached/fracture/callus at base | 0 | VI. Cartilage mineralization (calcified cartilage) | | Normal | 3 | Abnormal/inappropriate location | 0 |
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