ISSN 2398-2969      

Stifle: avulsion of associated muscle

icanis
Contributor(s):

Rob Pettitt

Synonym(s): Avulsion of the tibial tuberosity


Introduction

  • Uncommon.
  • Cause: usually traumatic in origin.
  • Signs: variable lameness and clinical signs.

Pathogenesis

Etiology

  • Usually traumatic in origin although trauma may be relatively mild, eg jumping from a sofa is a common cause of tibial tuberosity avulsions.
  • Spontaneous avulsion of gastrocnemius muscle.
  • Avulsion of tibial tuberosity due to pull of the quadriceps mechanism (growth plate avulsion fracture).
  • Similar etiology for proximal end of patella tendon.

Specific

  • Avulsion of tibial tuberosity: dogs with well-developed quadriceps muscles, eg Greyhound, Bull Terrier.

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.
  • Chaffee V W & Knecht C D (1975) Avulsion of the medial head of gastrocnemius muscle in the dog. Vet Med Small Anim Clin 70 (8), 929-931 PubMed.
  • Denny H R & Minter H M (1973) The long term results of canine stifle disorders. JSAP 14 (11), 695-713 PubMed.

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