Template:Thumb fracture classification: Difference between revisions

(clarification of bennett's)
 
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===[[Thumb fracture]] classification===
===[[Thumb fracture]] classification===
* Type I (Bennett's fracture)
* Type I (Bennett's fracture)
** Fracture-dislocation of the base of the metacarpal (intraarticular)
** Fracture-dislocation of the base of the metacarpal (intra-articular)
**Base fragment is aligned with trapezium, but distal portion is subluxed by abductor pollicis longus
** Most common type of thumb fracture; nearly always accompanied by some subluxation or dislocation of CMC
** Most common type of thumb fracture; nearly always accompanied by some subluxation or dislocation of CMC
* Type II (Rolando's fracture)
* Type II (Rolando's fracture)
** Comminuted version of a Bennett's fracture (intraarticular)
** Comminuted version of a Bennett's fracture (intra-articular)
* Type III
* Type III
** Extraarticular (transverse or oblique)
** Extra-articular (transverse or oblique)
* Type IV
* Type IV
** Extraarticular pediatric fracture involving the proximal physis
** Extra-articular pediatric fracture involving the proximal physis

Latest revision as of 14:03, 11 October 2016

Thumb fracture classification

  • Type I (Bennett's fracture)
    • Fracture-dislocation of the base of the metacarpal (intra-articular)
    • Base fragment is aligned with trapezium, but distal portion is subluxed by abductor pollicis longus
    • Most common type of thumb fracture; nearly always accompanied by some subluxation or dislocation of CMC
  • Type II (Rolando's fracture)
    • Comminuted version of a Bennett's fracture (intra-articular)
  • Type III
    • Extra-articular (transverse or oblique)
  • Type IV
    • Extra-articular pediatric fracture involving the proximal physis