title: Spontaneous cyclical pigmentary changes in a conjunctival naevus.
mesh_terms: D000293:Adolescent; D003228:Conjunctiva / Q000473:pathology; D003230:Conjunctival Neoplasms / Q000473:pathology*; D006801:Humans; D008297:Male; D009365:Neoplasm Regression, Spontaneous; D009508:Nevus, Pigmented / Q000473:pathology*