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Cornea & External Diseases

















Pyogenic Granuloma

  • A misnomer because neither granulomatous inflammation nor pyogenic process is present.
  • Aberrant wound healing process, which results in fibrovascularized tissue growth.
  • Rarely occur spontaneously.
  • Usually occurs over chalazion, after conjunctival surface surgery such as strabismus surgery, or pterygium removal, chronic irritation from nasolacrimal tubing or punctal plugs.
  • Clinical features:
    • Symptoms:
      • Irritation
      • May cause inadequate lid closure or corneal dellen if located near the limbus
    • Signs:
      • Initially presents as ovoid mass with pedunculated base, which may broaden over time
      • Fibrous adhesion to the underlying sclera.
  • Treatment of choice: simple excision at of the base of the lesion.

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