Abstract:
Objective: To assess the effect of iodine-131(
131I) therapy on patients with differentiated thyroid carcinoma metastases.
Methods: Forty-five patients with differentiated thyroid carcinoma metastases were treated with
131I,and the dose of
131I varied according to the site of metastasis(370×10
7 to 740×10
7) Bq.The therapy was repeated 2 to 8 times at an interval of 4 to 12 months.The efficacy was assessed 4-6 months later with
131I whole body scanning and serum level of thyroglobulin.
Results: Of the 45 cases,15 were cured,26 improved and 4 had no response.
Conclusions: The therapy of high doses of
131I is safe and effective for treatment of differentiated thyroid carcinoma metastases with little adverse side-effect.