Table 3

Histologic evaluation parameters for the intervertebral disc

Parameters

Grade

Description


Clefts in the NP

0

Absent

1

Rarely present

2

Intermediately present

3

Abundantly present

Tears in AF

0

Absent

1

Rarely present

2

Intermediately present

3

Abundantly present

Granular changes

0

Absent

1

Rarely present

2

Intermediately present

3

Abundantly present

Mucous degeneration

0

Absent

1

Rarely present

2

Intermediately present

3

Abundantly present

Cell clustering

0

No proliferation

1

Mild

2

Moderate

3

Severe


Rowas et al. Arthritis Research & Therapy 2012 14:R17   doi:10.1186/ar3696

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