Canis ISSN: 2398-2942

Corneoconjunctival dermoid

Synonym(s): Epibulbar dermoid

Contributor(s): David L Williams

Introduction

  • Congenital condition in which normal skin tissue is at an abnormal site Eye epibulbar dermoid 01.
  • Signs: corneal opacities, hairs growing from cornea.
  • Diagnosis: clinical signs, age.
  • Treatment: surgical removal.
  • Prognosis: good.

Pathogenesis

Etiology

  • Congenital - impaired differentiation of eyelid/corneal tissue.

Pathophysiology

  • Embryological defect → impaired differentiation of eyelid tissue → skin on conjunctiva/cornea.
  • Dermoid may consist of connective tissue, hair follicles, sebaceous glands, sweat glands, fat.
  • Larger lesions may physically impair vision.

Diagnosis

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Treatment

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Prevention

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Outcomes

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Further Reading

Publications

Refereed papers

  • Recent references from PubMed and VetMedResource.
  • Cook C S (1995) Embryogenesis of congenital eye malformations. Vet Comp Ophthalmol 5 (2), 109-123 VetMedResource.
  • Barnett K C (1988) Inherited eye disease in the dog and cat. JSAP 29 (7), 462-475 VetMedResource.


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