Table 6.
Grade | Articular surfaces involved | Treatment |
---|---|---|
0 | Non | Extra-articular unloading |
1 | Proximal lunate surface | PRC, RSL arthrodesis or lunate excision and SC arthrodesis |
2 | The proximal + distal lunate surfaces | PRC, or SC arthrodesis |
3 | Proximal and distal lunate facet + the lunate facet of the radius | Total wrist arthrodesis or arthroplasty |
4 | All 4 articular facets are nonfunctional | Total wrist arthrodesis or arthroplasty |