Medical Definition of Melanocytoma
1.
1. A pigmented tumour of the uveal stroma.
2. Usually benign melanoma of the optic disk, appearing in markedly pigmented individuals as a small deeply pigmented tumour at the edge of the disk, sometimes extending into the retina and choroid; malignant metaplasia is rare.
Origin: megalo-+ cyto-+ G. -oma; tumour
(05 Mar 2000)
Lexicographical Neighbors of Melanocytoma
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