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Simultaneous bilateral primary choroidal melanoma

F J Ascaso1, J M Cascante, J M Castillo

  • 1Department of Ophthalmology, University Clinic Hospital, Zaragoza, Spain.

European Journal of Ophthalmology
|January 1, 1996
PubMed
Summary
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This case study reports the first instance in Spain of bilateral primary choroidal melanoma. It suggests revised diagnostic criteria for this rare condition, emphasizing clinical findings over strict histological confirmation for both eyes.

Area of Science:

  • Ophthalmology
  • Oncology

Background:

  • Bilateral primary choroidal melanoma is exceptionally rare.
  • Accurate diagnosis and treatment are crucial due to metastatic potential.

Observation:

  • A 70-year-old male presented with choroidal melanoma in the right eye.
  • An asymptomatic, peripheral choroidal melanoma was simultaneously detected in the left eye.
  • Diagnostic imaging (ultrasonography, angiography, transillumination) supported bilateral melanoma.

Findings:

  • Histological analysis confirmed a mixed-type choroidal melanoma in the enucleated right eye.
  • The left eye was treated with laser photocoagulation and ruthenium-106 plaque brachytherapy.
  • Systemic evaluation ruled out primary tumors or metastases elsewhere.

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Implications:

  • The study proposes that strict criteria for independent origin may not be necessary for diagnosing bilateral choroidal melanoma.
  • Clinical diagnosis and imaging may suffice when histological confirmation of both tumors is not feasible.
  • This may lead to earlier diagnosis and management of bilateral cases.