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Related Experiment Videos

Choroidal neovascularization associated with choroidal nevi

D G Callanan1, M L Lewis, S F Byrne

  • 1Department of Ophthalmology, Bascom Palmer Eye Institute, University of Miami, Fla.

Archives of Ophthalmology (Chicago, Ill. : 1960)
|June 1, 1993
PubMed
Summary

Choroidal nevi with overlying neovascularization can impact vision, but laser treatment is effective. These lesions show low malignant potential over long-term follow-up.

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Area of Science:

  • Ophthalmology
  • Medical Research
  • Oncology

Background:

  • Choroidal nevi are common benign tumors of the eye.
  • Neovascularization overlying choroidal nevi is a rare occurrence.
  • The long-term visual outcomes and malignant potential of these lesions are not well-established.

Purpose of the Study:

  • To determine the long-term effects of choroidal nevi with overlying neovascularization on vision.
  • To assess whether neovascularization indicates increased malignant potential.
  • To evaluate the efficacy and safety of laser treatment for these lesions.

Main Methods:

  • Retrospective study of patients diagnosed with both choroidal nevus and choroidal neovascularization.
  • Analysis of visual acuity, treatment outcomes, and lesion size changes.

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  • Mean follow-up duration of 6.5 years for 23 patients.

    • Main Results:

    • 15 of 23 patients achieved visual acuity of 20/200 or better.
    • Laser treatment resulted in visual improvement in 5 of 6 patients.
    • Only one lesion showed growth after 17 years, indicating stability.

    Conclusions:

    • Choroidal neovascularization associated with choroidal nevi significantly impacts vision.
    • Laser treatment is effective and safe when indicated.
    • These lesions demonstrate a low risk of malignant transformation.