non-pigmented choroidal mass includes amelanotic choroidal nevus, amelanotic choroidal melanoma, choroidal metastasis, choroidal granuloma and choroidal osteoma. Amelanotic choroidal nevi are ...

Choroidal nevus: This medium-sized choroidal nevus ... This large malignant melanoma has minimal pigment. This specific “amelanotic” melanoma was diagnosed as a 1 disc-diameter nevus, temporal ...

However, the color may range from totally colorless or amelanotic (rare ... with the optic nerve head in front Since both a choroidal nevus and an early choroidal melanoma appear similar, a ...