Endocrine Abstracts

Background: Radioactive iodine (RAI) therapy effectively cures hyperthyroidism although a varying proportion of patients need repeat RAI doses. There is no consensus on the timing of redosing for RAI which varies in different centres between 6 weeks and 12 months depending on the perceived time to respond to therapy.Aim: We have undertaken a retrospective study to assess if after the initial RAI dose of 400 MBq a second RAI dose can be administered earli...