ADR 5 years on

[Jim M2]

I saw the NS Thursday. She feels the ADR is inoperable and as a result she isn't interested in the area except for x-rays to make sure nothing has fallen out of place. She says it looks fine. I'm not so sure. In the picture below 2003 is on the left, 2008 on the right. Here's my observations on 2008 vs 2003.

1) notable bone growth around the back edge of the upper plate

2) low grade spondylolisthesis L5 on S1 (or should this be viewed as loss of retrolisthesis?)

3) some deformation of the poly core as evidenced by loss of symetry of the floating ring

4) the gap in the floating ring has moved from the back to the side

Lateral X-ray Comparison: 2003 vs 2008