melanocytoma /mel·a·no·cy·to·ma/ (mel″ah-no-si-to´mah) a neoplasm or hamartoma composed of melanocytes.
mel·a·no·cy·to·ma (m l  -n -s -t m)n. 1. A benign neoplasm composed of melanocytes. 2. A usually benign, deeply pigmented melanoma of the optic disk. |
melanocytoma
see melanoma.
melanocytoma
A benign, usually bilateral, pigmented tumour which is most commonly found in the optic disc arising from dendritic uveal melanocytes in the lamina cribrosa of the optic nerve head but may occur anywhere throughout the uveal tract. The patient's visual field presents an enlarged blind spot. The condition is more frequent in dark skinned people.
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