title: Frozen section of the optic nerve in retinoblastoma surgery.
abstract: The usefulness of the frozen section examination to determine the extension of retinoblastoma into the optic nerve is discussed. Frozen sections performed at the time of surgery in seven retinoblastoma patients revealed the presence of tumor at the resection margin of the optic nerve in two cases.
mesh_terms: D015353:Eye Enucleation; D005134:Eye Neoplasms / Q000473:pathology / Q000601:surgery*; D005615:Freezing; D006652:Histological Techniques; D006801:Humans; D009900:Optic Nerve / Q000473:pathology* / Q000601:surgery; D012086:Reoperation; D012175:Retinoblastoma / Q000473:pathology / Q000601:surgery*