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  • Title: [131 iodine for the treatment of benign goiters].
    Author: Velayoudom FL, Marchandise X, Nocaudie M, d'Herbomez M, Docao C, Bauters C, Regnier F, Wemeau JL.
    Journal: Presse Med; 2005 Jan 29; 34(2 Pt 1):94-100. PubMed ID: 15687976.
    Abstract:
    INTRODUCTION: In order to evaluate the efficacy of 131 Iodine on goitre volume and on thyroid function, we studied a cohort of patients exhibiting a multinodular and toxic or non toxic goitre. METHODS: This retrospective study was conducted at the Marc Linquette clinic in Lille, in collaboration with the department of nuclear medicine. Thirty-eight patients treated with 131 Iodine were included from 1995 to 2001. Clinical examination and serum analyses including TSH, free T4 and T3, anti-thyroid peroxidase and anti-thyroglobulin antibodies and TSH-receptor antibodies measurements were conducted on inclusion and then at 3, 6, 12 and 72 months. The activity of 131 Iodine corresponded to a standard dose or was calculated according to Marinelli's method. We excluded patients who had not undergone assessment at the above-mentioned time schedules. RESULTS: The treatment was indicated in 30 patients presenting with a non compressive but toxic goitre, in 5 patients with a toxic compressive goitre and in 3 patients with a compressive but non-toxic goitre. Surgery had been excluded for all these patients because of their age, their cardiac status or because they had refused surgery after failure with prior partial thyroidectomy or medical treatment. Among the toxic goitres, TSH levels were low and T3 and T4 increased in 17 patients. In the 18 others, hyperthyroidism was manifested by an isolated decrease of TSH. The thyroid volume before treatment, assessed in 20 patients, was of 18 to 135 cm3 (mean: 53 cm3). Treatment consisted in administration of radioactivity of 3 to 30 mCi in 30 patients and standard activity of 20 to 25 mCi in 8. Functional efficacy with reduction in hyperthyroidism was noted after 3 months, and corrected in nearly all patients after 1 year, and morphological efficacy, with a mean decrease of 33.5% in the size of the goitres. No supplementary surgery was required, notably for the initially compressed goitres. Immediate and long term tolerance was satisfactory. CONCLUSION: Metabolic 131Iodine radiotherapy is effective for the functional and morphological treatment of goitres with good tolerance and few side effects. 131 Iodine is a reasonable alternative in cases with absolute or relative contraindication for surgery.
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