Equis ISSN 2398-2977

Synovial hernia and ganglion

Contributor(s): Helen Herinckx

Introduction

  • Synovial hernia and synovial ganglion are separate conditions, that may be difficult to distinguish clinically.
  • Cause: unknown, may be associated with trauma.
  • Signs: subcutaneous swelling over a joint or tendon.
  • Diagnosis: contrast radiography and histopathology.
  • Treatment: surgery if indicated.
  • Prognosis: good.

Pathogenesis

Etiology

  • Unknown.

Pathophysiology

  • Herniation of synovial membrane through the fibrous joint capsule or fibrous tendon sheath   →   hernia.
  • Degeneration of fibrous joint capsule or tendon sheath   →   cystic swelling containing mucinous material   →   ganglion.

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.
  • Hay W P & Baskett A (1996)Lameness caused by a ganglion in a mare.Comp Cont Educ Pract Vet18(12), 1352-1353 VetMedResource.
  • Schumacher J & Auer J (1979)A case report of a carpal ganglion in a horse.J Equine Med Surg3(8), 391-393 VetMedResource.


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