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Endocrinol Metab : Endocrinology and Metabolism


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Kyu Hong Kim  (Kim KH) 2 Articles
A Case of Iodine-induced Thyrotoxicosis with Acromegaly.
Kwang Hyun Kim, Kyu Hong Kim, Ho Yoel Ryu, Su Min Nam, Mi Young Lee, Jang Hyun Koh, Jang Yeol Sin, Choon Hee Chung
J Korean Endocr Soc. 2006;21(1):63-67.   Published online February 1, 2006
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Hyperthyroidism is seen in 3.5-26% of subjects with acromegaly. Hyperthyroidism can be developed by thyroid stimulating hormone (TSH) dependent mechanism in TSH-secreting adenomas with acromegaly or by TSH independent mechanism through the stimulation of thyroid cells by growth hormone (GH). So, confirming the cause of hyperthyroidism is important to treat that. We report a case of a 56-year-old man who had acromegaly with iodine-induced thyrotoxicosis. He took the sea tangle for 4 years because he had constipation. His face and hands indicated acromegaly. Thyroid function test showed that T3 and free T4 were increased and TSH was decreased. Ultrasonography of neck showed diffuse enlargement of thyroid gland and thyroid scan showed decreased uptake of thyroid gland. So we could confirm iodine-induced thyrotoxicosis due to excessive iodine intake. Serum GH and insulin-like growth factor (IGF)-1 were markedly increased and brain MRI showed heterogenous 1 cm sized pituitary mass in right side. Acromegaly was confirmed by brain MRI, pituitary stimulation test and increased level of GH, IGF-1. He stopped iodine intake. After 6 months, T3, free T4 and TSH were normalized and he is waiting for the surgical removal of pituitary adenoma.
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A Case of Adrenocortical Adenoma Causing Subclinical Cushing's Syndrome Mistaken for Liddle's Syndrome.
Kyu Hong Kim, Kwang Hyun Kim, Ho Yoel Ryu, Soo Min Nam, Mi Young Lee, Jang Hyun Koh, Jang Yel Shin, Soon Hee Jung, Choon Hee Chung
J Korean Endocr Soc. 2006;21(1):58-62.   Published online February 1, 2006
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  • 25 Download
  • 1 Crossref
AbstractAbstract PDF
Subclinical Cushing's syndrome is defined as an autonomous cortisol hyperproduction without specific clinical signs of cortisol excess, but detectable biochemically as derangements of the hypothalamic-pituitary-adrenal axis function. We report a case of a 33-year-old woman with subclinical Cushing's syndrome caused by left adrenocortical adenoma, mistaken for Liddle's syndrome. The patient complained of fatigue. Laboratory findings showed metabolic alkalosis, hypokalemia, high TTKG (transtubular K concentration gradient), low plasma renin activity, and low serum aldosterone level, that findings implied as Liddle's syndrome. So we performed further study. Hormonal and radiologic studies revealed subclinical Cushing's syndrome with a left adrenal mass. The adrenal mass was resected and pathologically diagnosed as adrenocortical adenoma. After the resection of the left adrenal mass, patient's hormonal levels showed normal range.


Citations to this article as recorded by  
  • Missed Ipsilateral Adrenal Adenoma With Recurrent Hypercortisolism After Prior Left Adrenalectomy
    Jihoon Kim, Hae Kyung Kim, Choon Hee Chung
    Journal of Korean Medical Science.2022;[Epub]     CrossRef
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