REBOUND INCREASE IN SERUM THYROTROPIN, ANTIMICROSOMAL ANTIBODIES AND THYROGLOBULIN AFTER DISCONTINUATION OF L-THYROXINE

被引:4
作者
NYSTROM, E [1 ]
LUNDBERG, PA [1 ]
LINDSTEDT, G [1 ]
机构
[1] GOTHENBURG UNIV, SAHLGRENS HOSP, DEPT CLIN CHEM, S-41345 GOTHENBURG, SWEDEN
关键词
anti‐microsomal antibodies; hypothyroidism; L‐thyroxine; thyroglobulin; thyrotropin;
D O I
10.1111/j.1365-2796.1990.tb00269.x
中图分类号
R5 [内科学];
学科分类号
1002 ; 100201 ;
摘要
Abstract. We assayed serum thyrotropin (TSH), antimicrosomal antibodies (MSA), antithyroglobulin antibodies and thyroglobulin in seven individuals with subclinical autoimmune hypothyroidism during two 6‐month periods with L‐thyroxine substitution and placebo, respectively. Serum TSH decreased during L‐thyroxine administration, with a rebound increase in serum TSH of about 6 months duration during placebo treatment, and a parallel increase in serum thyroglobulin. In agreement with previous observations by other groups, we found decreased serum concentrations of MSA during L‐thyroxine treatment in three individuals. In addition, a slow but significant transient increase in serum MSA was recorded during placebo administration in the four individuals who showed the most pronounced increase in serum TSH (≥ 20 mU l−1). This association between serum levels of MSA and TSH is most probably related to antigen presentation at the surface of the thyrocyte. We conclude that changes in serum TSH concentration should be taken into account in the interpretation of MSA in patients with thyroid disease, whether untreated or treated with L‐thyroxine. 1990 Blackwell Publishing Ltd
引用
收藏
页码:497 / 501
页数:5
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