“…It is valued of 1 in 400 patients with ota nevus they will developed uveal melanoma later in their life, comparison to one of 13,000 in the general population [7]. It is thought that in fair skin patients the prevalence of melanomas is higher due to lacking of the protective effect of darker pigmentation [8]. Even though the glaucoma is frequently associated with ota nevus in Black descent but we should consider it [9][10].…”
“…It is valued of 1 in 400 patients with ota nevus they will developed uveal melanoma later in their life, comparison to one of 13,000 in the general population [7]. It is thought that in fair skin patients the prevalence of melanomas is higher due to lacking of the protective effect of darker pigmentation [8]. Even though the glaucoma is frequently associated with ota nevus in Black descent but we should consider it [9][10].…”
“…Some authors have also included data on the meridional location, showing that uveal melanomas are usually located temporally,15 – 20 while others have found a more symmetrical distribution between the temporal and nasal hemisphere 5 21. According to Li et al ,4 the density of uveal melanoma occurrence is concentrated in the macular area and gradually decreases with distance from the macula to the ciliary body.…”
The temporal hemisphere posterior to the equator is the preferential area of melanoma occurrence and growth. For larger and more aggressive tumours, there is a shift towards more peripherally located initiation sites.
“…Three grades of choroidal lesion pigmentation were used:13 light (large choroidal vessels appear darker than the choroid due to minimal pigmentation between vessels), medium (large choroidal vessels are difficult to distinguish from the choroid due to patchy or incomplete choroidal pigmentation) and dark (large choroidal vessels appear lighter than, and stand out against, the dark choroidal pigment between the vessels). In cases of disagreement, the final decision was made by the senior author (JBM).…”
SS-OCT is useful in imaging most choroidal melanocytic lesions. Image quality is best when the choroidal lesion is closer to the fovea, has a smaller diameter and a lighter choroidal pigmentation.
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