eng Science and Education Publishing American Journal of Medical Case Reports 2374-216X 2015-04-08 3 4 113 116 10.12691/ajmcr-3-4-8 AJMCR2015348 article Rajan Paul rajan.paul@wales.nhs.uk 1 Manoj Kulshrestha 1 S. Shanmugalingam 1 Dai Barr 1 Aberystwyth Eye Centre, Hywel Dda University Health Board, Aberystwyth, United Kingdom Melanocytoma of the Optic nerve head, is a benign, stationary pigmented tumor present on or adjacent to the optic disc. Rarely it exhibits minor enlargement and can also undergo malignant transformation to a melanoma. Histopathologically a melanocytoma consists of intensely pigmented round to oval nevus cells with benign features. We report a case of a 77 year old lady with an Optic nerve head melanoma. The clinical features and the imaging characteristics including Ultrasound, Fluorescein angiography and Magnetic resonance imaging are presented. http://pubs.sciepub.com/ajmcr/3/4/8/ajmcr-3-4-8.pdf melanocytoma optic nerve head magnocellular naevus