Score: Mayo scaphoid # classification

Use: Acute scaphoid fractures

Stable

  • Displacement < 1mm
  • Normal intercarpal alignment
  • Distal pole fractures
  • Unstable

  • Displacement > 1mm
  • Lateral intrascaphoid angle > 35°
  • Bone loss or comminution
  • Perilunate fracture dislocation
  • Dorsal intercalated segmental instability (DISI) alignment
  • Proximal pole fractures
  • Reference

    Gutow AP. Percutaneous fixation of scaphoid fractures. J Am Acad Orthop Surg 2007; 15:474-485.