Answer
Answer
A particular predisposition exists for choroidal melanomas to occur in people with light-colored irides. Evidence points to sunlight exposure as a likely contributor to the development of choroidal melanoma.
Predisposing diseases for uveal melanomas include a family history of uveal melanoma, uveal nevus, congenital ocular melanocytosis, dysplastic nevus syndrome, and xeroderma pigmentosum.
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Media Gallery
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Color photograph of a dome-shaped choroidal melanoma.
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Early fluorescein angiogram of choroidal melanoma showing intrinsic vascularity.
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Late fluorescein angiogram of choroidal melanoma showing early diffuse staining.
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B-scan ultrasound showing acoustic hollowing and uveal excavation in posterior choroidal melanoma.
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A-scan ultrasound of choroidal melanoma showing low-to-medium internal reflectivity.
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B-scan ultrasound showing acoustic hollowing in intraorbital extension of a posterior choroidal melanoma.
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T2-weighted MRI showing a small anterior choroidal melanoma in the left eye.
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Transpupillary photograph showing a posterior choroidal melanoma.
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Photograph showing an enucleated eye with advanced choroidal melanoma with transscleral extension.
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Histologic section of an enucleated eye showing a large dome-shaped choroidal melanoma.
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Histologic section of an enucleated eye showing a medium-sized mushroom-shaped choroidal melanoma with associated exudative retinal detachment.
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Choroidal melanoma. Histologic section showing spindle A cells in a uveal nevus.
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Choroidal melanoma. Histologic section showing spindle B cells in a uveal melanoma.
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Choroidal melanoma. Histologic section showing epithelioid cells in a uveal melanoma.
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Photograph showing a skin metastasis of a posterior choroidal melanoma.
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Intraoperative photograph showing placement of a radioactive plaque for posterior choroidal melanoma.
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