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Four Fractures of the Wrist


Rolando Fracture
  • Comminuted

  • Intra-articular

  • Fracture through base of thumb

  • Prognosis: worse than Bennett's fracture
    (difficult to reduce)


 


Bennett's Fracture

  • Intra-articular fracture/dislocation of base of 1st metacarpal

  • Small fragment of 1st metacarpal continues to articulate with trapezium

  • Lateral retraction of 1st metacarpal shaft by abductor pollicis longus
     


Barton's Fracture

  • Intra-articular fracture of the dorsal margin of the distal radius

  • Extends into radio-carpal joint
     


Colles' Fracture
  • Extra-articular fracture of the distal radius

  • Does not extend into joint space

  • Dorsal angulation with radial and dorsal displacement of distal fragment

  • Frequently associated with fracture of ulnar styloid

 

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