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Scaphoid Nonunion Advanced Collapse
- synonyms: SNAC wrist
- ICD-9: 733.82(scaphoid nonunion)
SNAC Classification / Treatment
- Stage I=beaking of radial styloid. Rx=radial styloidectomy with ORIF bone graft scaphoid
- Stage II=radioscaphoid joint arthrosis. Rx=distal pole excision vs PRC vs 4-bone fusion.
- Stage III=Arthrosis entended to capitolunate joint. RX=PRC vs fusion-Stage IV=pancarpal arthrosis. Rx=fusion
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