Table 1 Semiquantitative histologic grading scale
From: Spectrocolorimetric evaluation of repaired articular cartilage after a microfracture
Category | Points |
|---|---|
Cell Morphology | Â |
   Normal | 4 |
   Mostly hyaline cartilage | 3 |
   Mixed hyaline and fibrocartilage | 2 |
   Mostly fibrocartilage | 1 |
   Some fibrocartilage, mostly nonchondrocytic cells | 0 |
Reconstruction of subchondral bone | Â |
   Normal | 3 |
   Reduced subchondral bone reconstruction | 2 |
   Minimal subchondral bone reconstruction | 1 |
   No subchondral bone reconstruction | 0 |
Matrix staining | Â |
   Normal | 4 |
   Slightly reduced | 3 |
   Reduced | 2 |
   Significantly reduced | 1 |
   No staining | 0 |
Filling of defect | Â |
   100% | 2 |
   50 or 150% (overfill) | 1 |
   0% | 0 |
Surface regularity | Â |
   Regular, smooth | 1 |
   Irregular | 0 |
Bonding | Â |
   Both graft edges bonded | 2 |
   One graft edge bonded | 1 |
   Neither edge bonded | 0 |