MALIGNANT TRANSFORMATION OF A CHOROIDAL NEVUS IN AN EYE TREATED FOR CHOROIDAL MELANOMA

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Abstract

Purpose:

To report a case of a choroidal melanoma and a discrete choroidal nevus that has transformed into a malignant melanoma 5 years after initial diagnosis.

Methods:

Retrospective case report.

Results:

A diffuse macular choroidal melanoma and a discrete choroidal nevus located superonasal to the optic disk were diagnosed in the right eye of a 63-year-old woman in 2009. The patient was treated by ruthenium plaque radiotherapy for the choroidal melanoma, which consequently flattened and scarred. On a routine eye check in 2014, the nevus was found to have been transformed into a choroidal melanoma. It was treated with ruthenium plaque radiotherapy.

Conclusion:

Although extremely rare, patients with a uveal melanoma can develop an additional discrete uveal melanoma. This case highlights the importance of monitoring benign choroidal nevi in patients with a history of choroidal melanoma.

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