UNILATERAL RETINOBLASTOMAS WITH LATE BILA TERALIZATION - 3 CASES

Three cases of unilateral retinoblastoma with late bilateralization ar e presented in this study. The rare occurrence of this event underline s the need for prolonged follow-up in the fellow-eye, even in the abse nce of familial retinoblastoma. In these three cases, the first affect ed eye was enucleated after a diagnosis made at three months, sixteen months and three years of age. New tumors appeared in the second eye w hen the children were sixteen years old in one case and five years old in two cases.