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Cornea & External Diseases

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Tumors
Limbal Dermoid

  • Clinical features:
    • Pale yellowish solid mass lesions, which frequently contain hair shafts
    • Most often located at the lower temporal limbus involving conjunctiva and cornea
    • Contain cellular elements from ectodermal and mesodermal origin such as hair follicles, sebaceous and sweat glands, ectopic lacrimal gland and cartilage
  • Often associated with other congenital ocular and systemic abnormalities such as oculoauriculovertebral dysplasia (Goldenhar syndrome), Duane's syndrome, coloboma of the upper lid, and lacrimal stenosis.
  • Management:
    • Solid mass removal may be performed for cosmetic reasons or if the mass encroaches towards the central cornea resulting in astigmatism and visual impairment.
    • Tumor excision at the level of corneal surface may be done to remove the mass with less posterior extension.

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