Cartilage structure | |
a. Normal | 0 |
b. Surface irregularities | 1 |
c. Pannus + irregularities | 2 |
d. Clefts to the transitional zone | 3 |
e. Clefts to the radial zone | 4 |
f. Clefts to the calcified zone | 5 |
g. Complete disorganization | 6 |
Cartilage cells | |
a. Normal | 0 |
b. Diffuse hypercellularity | 1 |
c. Cloning | 2 |
d. Hypocellularity | 3 |
Staining with Masson’s Trichrome | |
a. Normal | 0 |
b. Slight reduction | 1 |
c. Moderate reduction | 2 |
d. Severe reduction | 3 |
e. No staining | 4 |
Tidemark integrity | |
a. Intact | 0 |
b. Destroyed | 1 |