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Related Experiment Videos

Iris melanoma seeding through a trabeculectomy site.

H E Grossniklaus1, R H Brown, R D Stulting

  • 1Department of Ophthalmology, Emory University, Atlanta, Ga. 30322.

Archives of Ophthalmology (Chicago, Ill. : 1960)
|September 1, 1990
PubMed
Summary
This summary is machine-generated.

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Fine-needle aspiration biopsy aided in diagnosing iris melanoma in a patient with a history of glaucoma surgery. The study highlights that iris melanoma can spread through trabeculectomy sites.

Area of Science:

  • Ophthalmology
  • Oncology

Background:

  • A 59-year-old male presented with a growing pigmented iris lesion.
  • The patient had a prior trabeculectomy for glaucoma in the affected eye.

Observation:

  • Fine-needle aspiration biopsy of aqueous humor revealed malignant melanoma cells (spindle and epithelioid types).

Findings:

  • Histopathology confirmed a mixed spindle and epithelioid cell melanoma of the iris.
  • Melanoma cells were observed to have seeded into the conjunctival filtering bleb through the trabeculectomy site.

Implications:

  • Fine-needle aspiration biopsy is a valuable tool for diagnosing pigmented iris lesions.
  • Iris melanoma poses a risk of extraocular seeding via trabeculectomy, necessitating careful monitoring.

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