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  • Title: Multiple Uveal Melanoma.
    Author: Kheir WJ, Kim JS, Materin MA.
    Journal: Ocul Oncol Pathol; 2020 Oct; 6(5):368-375. PubMed ID: 33123531.
    Abstract:
    INTRODUCTION: Multiple uveal melanoma is a rare occurrence and includes bilateral melanoma, unilateral multiple/multifocal melanoma, or melanoma with metastasis to the ipsilateral or contralateral eye. METHODS: A chart review of patients diagnosed with uveal melanoma between January 2013 and January 2019 at the Duke University Eye Center Ophthalmic Oncology Service was performed. RESULTS: Three patients with multiple, sequential melanoma were identified; patient 1 had bilateral choroidal melanoma and patients 2 and 3 had 2 choroidal melanomas occurring in the same eye. In all 3 patients, both the first and sequential choroidal melanomas were treated with I-125 radioactive plaque brachytherapy (PBT). Two patients were found to have developed secondary metastatic uveal melanoma as a presenting sign of systemic metastases. Patient 4, initially treated with PBT, was diagnosed with ipsilateral metastatic choroidal melanoma, also treated with PBT. Patient 5 had right eye enucleation for choroidal melanoma and developed vision-threatening metastasis in the left eye, which was treated with PBRT. None of the patients had history of cancer prior to their first diagnosis. Patients 1 and 5 were tested with a systemic melanoma panel; both were negative for BAP1, but patient 1 had a variant of unknown significance in BRCA2. Patient 3 had oculodermal melanocytosis, an established risk factor of uveal melanoma. CONCLUSION: Although rare, the possibility of multiple uveal melanoma does exist. Examination of the treated and contralateral eye on a regular basis is crucial, not only to identify local failure but also new metastases from the primary tumor and additional primary tumors.
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