Table 3

Histological evaluation of cartilage treatment using ICRS histological assessment at the 20th week of follow-up after AC and SD treatments

Parameters

Autologous chondrocyte transplantation

Subchondral drilling

D1

D2

D3

D4

D5

D6

D7

D8

D9

D10

Surface

3

3

0

3

3

0

0

0

0

0

Matrix

2

3

2

2

2

1

1

2

2

1

Cell distribution

2

3

2

2

2

0

0

2

1

1

Cell population viability

3

2

2

3

2

3

3

3

3

3

Subchondral bone

2

3

2

3

2

2

2

2

2

2

Cartilage mineralization

0

3

0

3

0

0

0

0

0

0

D1, D2, and so on refer to dog number 1, dog number 2, and so on. AC, autologous chondrocyte transplantation; ICRS, International Cartilage Repair Society; SD, subchondral drilling.

Nganvongpanit et al. Arthritis Research & Therapy 2009 11:R78   doi:10.1186/ar2709