Equis ISSN 2398-2977

Tarsus: trauma - collateral ligament

Synonym(s): Collateral ligament trauma / injuries

Contributor(s): Stephen Adams, Graham Munroe

Introduction

Pathogenesis

Etiology

  • Trauma or fall.

Predisposing factors

General
  • Abnormal weight-bearing.

Specific

Pathophysiology

  • The long collateral ligaments are more prone to injury than the short.
  • The long medial collateral ligament is more prone to injury than the long lateral collateral ligament and is less substantial.
  • Tearing of the fibers of the collateral ligaments by twisting or stretching forces can result from rotation or excessive valgus/varus movement of the tarsus   Musculoskeletal: angular deformity  .
  • Direct trauma to the tarsus.

Timecourse

  • Bony changes radiographically evident 4-6 weeks post-injury.

Diagnosis

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Treatment

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Outcomes

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Further Reading

Publications

Refereed papers

  • Recent references from PubMed and VetMedResource.
  • Sherlock C E, Eggleston R B, Peroni J F & Parks A H (2012)Desmitis of the medial tarsal collateral ligament in 7 horses.Equine Vet Educ24(2), 72-80 VetMedResource.

Other sources of information

  • Dabareiner R M, Carter G K & Dyson S J (2003)Soft Tissue Injuries of the Tarsus.In:Diagnosis & Management of Lameness in the Horse. Eds: Ross M W & Dyson S J. Saunders, Missouri. pp 447.
  • Sullins K E (2002)Tarsocrural Collateral Ligament Desmitis, Instability and Rupture.In:Adams Lameness in Horses. 5th edn. Lippincott, Williams & Wilkins, Baltimore. pp 970-972.


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