title: Melanocytoma of the optic disk.
mesh_terms: D002829:Choroid; D003937:Diagnosis, Differential; D005134:Eye Neoplasms / Q000175:diagnosis / Q000473:pathology*; D006801:Humans; D008297:Male; D008543:Melanins; D008545:Melanoma / Q000175:diagnosis / Q000473:pathology*; D008875:Middle Aged; D009900:Optic Nerve / Q000473:pathology*; D012160:Retina / Q000473:pathology*; D014792:Visual Acuity; D014794:Visual Fields
chemical_list: D008543:Melanins