NCIt synonyms : Choroidal Melanoma; Malignant Melanoma of the Choroid; Choroid Malignant Melanoma; Malignant Melanoma of Choroid; Melanoma of the Choroid; Melanoma of Choroid;
NCIt definition : A uveal melanoma that arises from the choroid. It is the most common primary malignant
intraocular tumor. It usually affects Caucasians of northern European descent. It
usually remains asymptomatic for a long period. When signs and symptoms occur, they
include blurred vision, visual field loss, floaters, and ocular pain. Tumor size is
the most important factor that relates to prognosis.;