Treatment of Graves' hyperthyroidism with radioiodine: Results of a prospective randomized study

被引:80
作者
Peters, H
Fischer, C
Bogner, U
Reiners, C
Schleusener, H
机构
[1] FREE UNIV BERLIN,KLINIKUM BENJAMIN FRANKLIN,DEPT ENDOCRINOL,D-12200 BERLIN,GERMANY
[2] UNIV HEIDELBERG,STAT & DATA CTR,D-6900 HEIDELBERG,GERMANY
[3] UNIV WURZBURG,DEPT NUCL MED,D-97070 WURZBURG,GERMANY
关键词
D O I
10.1089/thy.1997.7.247
中图分类号
R5 [内科学];
学科分类号
1002 ; 100201 ;
摘要
In this paper, we report the results of a randomized prospective study on radioiodine treatment in patients with Graves' hyperthyroidism. Complete data were obtained in group 1 from 98 patients 6 months after application of a standard activity of 15 mCi (555 MBq) of I-131 and in group 2 from 107 patients who received a target dose of 100 Gy. In group 1, the overall success rate was 71%, but the results in the subgroups clearly were related inversely to the thyroid volume, ranging from 100%, in patients with a thyroid volume <15 mL to about 20% in those with a thyroid size >60 mL. In contrast, patients who received a target dose of 100 Gy showed very similar results, with success rates of about 40-50% in all but one subgroup. Only patients with a thyroid volume <15 mL had a success rate of about 80%. But due to an incidental increase of uptake and/or effective half-time from the test to the therapy activity, this subgroup received a target dose of about 160 Gy. Additional calculation of the actual target dose in group 1 (standard activity) showed that, with a dose of 200 Gy, a success rate of 80% was obtained. Also, the thyroid volume reduction was related inversely to the target dose. Because the literature is abundant, only a restricted number of references are discussed that are either in agreement with our results or in sharp contrast to them. The reason for these discrepant results might be the difference in the scheme of pretreatment or the different alimentary iodine supply between, for example, Great Britain and the United States on the one hand and Germany on the other hand.
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页码:247 / 251
页数:5
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