Lumbar Facet Joint Replacement
Lumbar Facet Joint Replacement
Lumbar Facet Joint Replacement
You also want an ePaper? Increase the reach of your titles
YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.
<strong>Facet</strong> <strong>Joint</strong> Degeneration<br />
Grade I Grade II<br />
Grade III Grade IV<br />
[Fujiwara, et al., Spine (2000) 25:23, pp 3036–3044]<br />
Grade I Grade II<br />
Grade III Grade IV<br />
[Tischer, T. et al., Eur. Spine J. (2006) 15: 308–315]<br />
• Grade I: uniformly thick cartilage covers the articular surfaces completely.<br />
• Grade II: cartilage covers the entire surface of the articular process but an<br />
eroded irregular region is evident.<br />
• Grade III: cartilage incompletely covers the articular surfaces with regions<br />
of underlying bone exposed to the joint.<br />
• Grade IV: cartilage is absent except for traces on the articular process.