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Lesões do Carpo
  • Larsen - Instabilidade Carpal
  • Classificação Artroscópica Lesão Carpal - Geissler
  • I
    Attenuation/hemorrhage of interosseous ligament seen from the radiocarpal joint; no incongruency of carpal alignment in the midcarpal space
  • II
    Attenuation/hemorrhage of interosseous ligament seen from the radiocarpal joint; incongruency/step off seen from midcarpal space; slight gap (less than the width of a probe) between carpals may be present
  • III
    Incongruency/step off of carpal alignment seen in radiocarpal and midcarpal space; probe may be passed through the gap between carpals
  • IV
    Incongruency/step off of carpal alignment seen in radiocarpal and midcarpal space; gross instability with manipulation noted; 2.7-mm arthroscope may be passed through the gap between carpals
  • Geissler WB, Freeland AE, Savoie FH, et al: Intracarpal soft-tissue lesions associated with an intra-articular fracture of the distal end of the radius, J Bone Joint Surg Am 78:357-365, 1996

  • Luxação Radio-carpal - Dumontier
  • Type I includes patients with a pure radiocarpal dislocation, without an associated fracture of the distal radius.

  • Type II involves a radiocarpal dislocation with an avulsion fracture of the radial styloid, which contains the origin of the palmar radioscaphoid and radioscaphoid­capitate ligaments

  • Instabilidade Médiocarpal
  • I, In anterior midcarpal instability, the whole proximal row appears abnormally flexed in the lateral view.

  • II, Posterior midcarpal instability has normal alignment in standard radiographs, but abnormal midcarpal subluxation when a dorsally directed force (arrow) is applied.

  • III, In combined radiocarpal and midcarpal instability, both joints are abnormally subluxable in a palmar and dorsal direction, usually the consequence of increased global laxity.

  • IV, Adaptive dysfunction secondary to an extracarpal problem, usually a malunited distal radius, may produce a similar dysfunction as in midcarpal instabilities

  • Colapso EscafoSemilunar - Krakauer
  • Krakauer JD, Bishop AT, Cooney WP: Surgical treatment of scapholunate advanced collapse, J Hand Surg 19A:751, 1994. Copyright Mayo Clinic.