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KMID : 0986520060060010001
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Korean Journal of Endoscrine Surgery
2006 Volume.6 No. 1 p.1 ~ p.5
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Bone Mineral Density in Postsurgical Thyroxine Replacement
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Kim Byung-Chun
Ro Hye-Won
Jung Yeun-Sung
Yoon In-Sang
Jeong Soon-Ju
Park Min-Ho
Yoon Jung-Han
Jaegal Young-Jong
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Abstract
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Purpose: Bone turnover is increased in patients suffering with hyperthyroidism, and this results in osteoporosis. Especially after total thyroidectomy for the treatment of thyroid papillary cancer, it is necessary to pay attention to osteoporosis because we must treat these patients with suppressive thyroxine therapy.
Methods: Among the patients who underwent endocrine surgery of Chonnam National University, 110 cases had taken thyroxine for more than one year. We analyzed them on the basis of their medical record. The study consisted of women between 45 and 74 years of age who were treated with thyroxine for more than one year, who had total thyroidectomy performed for thyroid papillary carcinoma and who taken thyroxine for 12∼142 months (mean: 53 months). We measured the bone mineral density at the lumbar spine and the femoral neck with using dual energy X-ray absorptiometry.
Results: The bone mineral density of the lumbar spine and femur neck was significantly reduced with the increasing the duration of thyroxine medication. Yet this was not significant after adjusting by age. There was correlation between the TSH levels and bone mineral densities.
Conclusion: After total thyroidectomy, it may be necessary to evaluate the bone mineral density of the patients who were treated with suppressive thyroxine and also to warn them about osteoporosis.
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KEYWORD
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Thyroid cancer, Thyroidectomy, Thyroid hormone, Bone mineral density
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