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Archivos de la Sociedad Española de Oftalmología
versão impressa ISSN 0365-6691
Resumo
FONT, R.L. e CHAQUES-ALEPUZ, V.. Giant optic disk melanocytoma complicated with massive intraocular seeding. Arch Soc Esp Oftalmol [online]. 2011, vol.86, n.5, pp.158-161. ISSN 0365-6691.
Case report: A 33 year-old female with a large, unilateral, dark tumour of the optic disk with a presumed diagnosis of melanocytoma. After a follow-up of nineteen years, the tumour produced massive intraocular seeding with cataract, secondary glaucoma (pigmentary, melanocytomalytic, inflammatory and pupillary seclusion glaucoma) and amaurosis. The eye is enucleated and the pathological examination confirmed the diagnosis. Discussion: Optic disk melanocytoma is a benign stationary tumour. However, sometimes that are to complications, including visual loss. Our case confirms that vitreous seeding is due to tumour necrosis with dissemination of tumoral debris and melanin, which are phagocytized by macrophages and produce an inflammatory reaction, trabecular plugging and ocular hypertension.
Palavras-chave : Magnocellular nevus; Melanocytoma; Optic disk; Pigment dispersion; Glaucoma.