| Clinical Features and Natural Course of Hashimoto's Thyroiditis. |
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Jae Bok Kim, Han Wook Yoo |
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| Abstract |
PURPOSE
Although Hashimoto's thyroiditis is the most common cause of goiter in children and adolescents, it is not clear what proportion of patients become hypothyroid and which tests are the best predictors of this state. To determine whether these kinds of variations occur in the course of Hashimoto's thyroiditis and whether the size of the thyroid gland or immunologic markers correlate with the course or outcome of Hashimoto's thyroiditis are main objects of our study.
METHODS:A total number of 48 patients who were diagnosed as having Hashimoto's thyroiditis at the Department of Pediatrics, Asan Medical Center during the period of January, 1992 to December, 1997 were included in this study.
Retrospectively, we reviewed medical records as to their clinical and labaratory data.
RESULTS
Thyroid function status at initial diagnosis of Hashimoto's thyroiditis were euthyroidism(33.3%), compensatory hypothyroidism(33.3%), overt hypothyroidism (27.1%), hyperthyroidism(8.3%) in order. Positivity of antithyroglobulin antibodies and antimicrosomal antibodies were 77.1% and 66.7% respectively. In 33 patients, 12(36.4 %) were on remission status after 3 years from initial diagnosis. Antithyroglobulin antibody titer was significantly decreased after 2-year follow up in remission group. Initial antithyroglobulin antibody titer and thyroid function status were not related to remission status after 3-year from diagnosis.
CONCLUSION
About 36% of patients with Hashimoto's thyroiditis can be in remission after 3-year from diagnosis.
Decrease of antithyroglobulin antibody titer is related to remission status. Further study is necessary to know what can be the predicting factors for early remission, for example, initial thyroid function status, initial antithyroid antibody titier, circulating immune complex, age, sex and size of thyroid. |
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