BioMed Research International

Research Article

Morphological Asymmetry of the Superior Cervical Facets from C3 through C7 due to Degeneration

Table 1

Grading system for evaluation of cervical facet degeneration on dried vertebrae, consisting of three subscales.
Surface 
 Smooth0 points
 Irregularities1 point
 Irregularities with small perforations2 points
 Serious irregularities with large perforations (>3 mm2)3 points
Edge – osteophytes 
 No osteophytes, smooth edge0 points
 Small osteophytes, rougher edge1 point
 Medium to large osteophyte2 points
 Several large osteophytes3 points
Edge – hypertrophy 
 No hypertrophy0 points
 Hypertrophy on one edge1 point
 Multi-edge hypertrophy2 points
 Full pancake formation3 points