title: Retinoblastoma in a 26-year-old adult.
abstract: Retinoblastoma in a 26-year-old woman is reported clinicopathologically, and the difficulties in this clinical diagnosis are presented. Clinical and morphologic findings of this case suggest that rare embryonal retinal cells can persist and be subject to late malignant transformation.
mesh_terms: D000328:Adult; D005134:Eye Neoplasms / Q000473:pathology* / Q000648:ultrastructure; D005260:Female; D006801:Humans; D012175:Retinoblastoma / Q000473:pathology* / Q000648:ultrastructure