Endocrinology and Metabolism

Sang Jin Kim (Kim SJ)

24 Articles

Polyglandular Autoimmune Syndrome Type III with Primary Hypoparathyroidism: Sang Jin Kim, Sang-Yoon Kim, Han-Byul Kim, Hyukwon Chang, Ho-Chan Cho; Endocrinol Metab. 2013;28(3):236-240. Published online September 13, 2013; DOI: https://doi.org/10.3803/EnM.2013.28.3.236

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Polyglandular autoimmune syndrome is defined as multiple endocrine gland insufficiencies accompanied by autoimmune diseases of the endocrine and nonendocrine system. After Schmidt introduced a case of nontuberculosis adrenal gland dysfunction with thyroiditis in 1926, Neufeld defined polyglandular autoimmune syndrome by I, II, and III subtypes in 1980 by their presentation of occurrence age, heredity methods, relationship with human leukocyte antigen, and accompanying diseases. We report a case of a 32-year-old female with polyglandular autoimmune syndrome III accompanied by type 1 diabetes mellitus that was treated with insulin (36 units per day) for 11 years. She had insulin deficiency and Hashimoto thyroiditis as an autoimmune disorder. In addition, she had several features similar to Albright's hereditary osteodystrophy including short stature, truncal obesity, round face, short neck, low intelligence (full IQ 84), and decreased memory. Although Albright's hereditary osteodystrophy is morphological evidence of pseudohypoparathyroidism or pseudopseudohypoparathyroidism, she had primary hypoparathyroidism on laboratory results. Here, we report a case of polyglandular autoimmune syndrome III with type 1 diabetes mellitus, autoimmune thyroiditis, and primary hypoparathyroidism, accompanied by clinical features similar to Albright's hereditary osteodystrophy.

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Autoimmune polyglandular syndrome type III associated with antineutrophil cytoplasmic autoantibody-mediated crescentic glomerulonephritis
Shiyuan Tian, Baofeng Xu, Ziwei Liu, Rui Liu
Medicine.2020; 99(7): e19179. CrossRef
Hypoparathyroidism: Genetics and Diagnosis
Michael Mannstadt, Luisella Cianferotti, Rachel I Gafni, Francesca Giusti, Elizabeth Helen Kemp, Christian A Koch, Kelly L Roszko, Liam Yao, Gordon H Guyatt, Rajesh V Thakker, Weibo Xia, Maria-Luisa Brandi
Journal of Bone and Mineral Research.2020; 37(12): 2615. CrossRef
A rare case of polyglandular autoimmune syndrome type IIIc with primary antibody failure
Adina Elena Stanciu, Florentina Sava, Gergely Toldi
Gynecological Endocrinology.2018; 34(4): 283. CrossRef
Autoimmune Polyendocrine Syndrome Type IIIC and Ankylosing Spondylitis; a Case Report
Ali Javinani, Hamid Reza Aghaei Meybodi, Ahmad Reza Jamshidi, Farhad Gharibdoost, Hoda Kavosi
Rheumatology Research.2016;[Epub] CrossRef
Brief Review of Articles in 'Endocrinology and Metabolism' in 2013
Won-Young Lee
Endocrinology and Metabolism.2014; 29(3): 251. CrossRef

Letter: Frequency of RAS Mutations and PAX8/PPARgamma Rearrangement in Follicular Thyroid Tumors in Korea.: Sang Jin Kim; Endocrinol Metab. 2012;27(3):251. Published online September 19, 2012; DOI: https://doi.org/10.3803/EnM.2012.27.3.251

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Abstract PDF: No abstract available.

A Case of Painless Thyroiditis Followed by Graves' Disease.: Gyeong Jae Na, Ji Hyun Kim, Se Yoon Park, Ki Won Kim, Hee Ja Ko, Sung Wan Jeon, Yeo Joo Kim, Sang Jin Kim; Endocrinol Metab. 2012;27(2):147-150. Published online June 20, 2012; DOI: https://doi.org/10.3803/EnM.2012.27.2.147

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Abstract PDF

A 30-year-old man was admitted to our hospital because of fatigue, palpitation and severe weakness of both legs. The admission laboratory findings revealed thyrotoxicosis, and 131I thyroid scintigraphic imaging revealed a low radioactive iodine uptake. He was treated for painless thyroiditis for about 4 months. However, thyrotoxic state had continued and radioactive iodine uptake was markedly increased in the follow up scan. Painless thyroiditis often relapses, but rarely develops into Graves' disease. This is a rare case in which painless thyroiditis was followed by Graves' disease.

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A Case of Severe Recurrent Painless Thyroiditis Requiring Thyroidectomy
So Hyun Park, Il Seong Nam-Goong, Young Il Kim, Yun Sun Kim, Yung Min Kim, Eun Sook Kim
Journal of Korean Thyroid Association.2015; 8(1): 113. CrossRef

Papillary Thyroid Carcinoma Manifesting as an Autonomously Functioning Thyroid Nodule.: Ji Hyun Kim, Gyeong Jae Na, Ki Won Kim, Hee Ja Ko, Sung Wan Jeon, Yeo Joo Kim, Sang Jin Kim, Hyeun Duk Jo, Chang Jin Kim; Endocrinol Metab. 2012;27(1):59-62. Published online March 1, 2012; DOI: https://doi.org/10.3803/EnM.2012.27.1.59

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Hyperfunctioning thyroid carcinoma is very rare. Hence, radionuclide imaging of thyroid hot nodules usually suggests a benign tumor, and less than 4% of cases have been reported as malignant. We would like to present a case of a hyperfunctioning papillary thyroid carcinoma that was initially treated with radioactive iodine. A 58-year-old woman was referred to our hospital for palpable thyroid nodule and a 5-kg weight loss within 6 months. Thyroid function test revealed thyrotoxicosis, and thyroid autoantibodies were absent. 99mTc thyroid scintigraphy showed a 2 x 2 cm-sized hyperactive hot nodule at the left lobe. Despite radioactive iodine treatment with a dose of 10 mCi 131I, thyroid function did not improve. Fine needle aspiration revealed papillary thyroid cancer. The patient underwent total thyroidectomy. Although clinical features and thyroid scans suggest a benign nodule, the possibility of malignancy should not be ruled out. Malignant thyroid hot nodules are rare; however, its possibility should be taken into account. Therefore, we suggest that ruling out malignancy by existing diagnostic guidelines can misdiagnose even a typical case with benign features. As thyroid nodule detection is getting sensitive and accurate, we present this case to discuss whether additional diagnostic approaches would be necessary for thyroid nodules.

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Ultrasonographic Characteristics of the Hyperfunctioning Thyroid Nodule and Predictive Factors for Thyroid Stimulating Hormone Suppression
Won Sang Yoo, Hoon Sung Choi
International Journal of Thyroidology.2019; 12(1): 35. CrossRef
Papillary Thyroid Carcinoma Presented as a Hot Nodule with Hyperthyroidism
Sung Hye Kong, Seo Young Lee, Ye Seul Yang, Jae Hoon Moon
International Journal of Thyroidology.2016; 9(1): 47. CrossRef
Follicular variant of papillary thyroid carcinoma: an unusual cause of thyrotoxicosis
David Owen Rees, Victoria Angharad Anthony, Keston Jones, Jeffrey W Stephens
BMJ Case Reports.2015; : bcr2014207091. CrossRef

The Effect of Octreotide LAR on GH and TSH Co-Secreting Pituitary Adenoma.: Nam Keong Kim, Yu Jin Hah, Ho Young Lee, Sang Jin Kim, Mi Kyung Kim, Keun Gyu Park, Ealmaan Kim, Hyukwon Chang, Hye Soon Kim; Endocrinol Metab. 2010;25(4):378-381. Published online December 1, 2010; DOI: https://doi.org/10.3803/EnM.2010.25.4.378

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Abstract PDF: Growth hormone (GH) and thyroid stimulating hormone (TSH)-secreting pituitary adenomas are very rare and they account for only 0.5% for all pituitary adenomas. These adenomas are usually treated with surgery, but this surgery is not easy because the tumor is usually huge and invasive. We reported here on a case of a GH-TSH-secreting adenoma in a 23-year-old male patient who was initially treated with octreotide LAR. He presented with symptoms of headache, palpitation and a visual defect that he had for the 3 months. He had hypertrophy of the frontal bone and enlargement of both the hands and feet. The visual field test showed bitemporal hemianopsia. The laboratory examinations showed high serum levels of free T4, TSH and free alpha-subunit. Additionally, the serum levels of GH and insulin-like growth factor-I (IGF-I) were increased. GH was not suppressed below 1microg/L by an oral 75g glucose loading test, and TSH was not stimulated by thyrotropin-releasing hormone (TRH). Because sellar MRI showed invasive macroadenoma encasing the vessels, we initially tried octreotide LAR for treatment. A year later, the IGF-I and thyroid function tests were normalized and the size of the tumor was reduced with cystic change. The symptoms of palpitation and headache were improved without a change of the visual field defect.

A Case of Improved Diabetes Mellitus After Removal of Nonfunctioning Adrenal Incidentaloma Diagnosed as Pheochromocytoma.: Se Kyung Park, Duk Su Kim, Mi Oh Roh, Min Soo Song, Chan Hee Jung, Jung Hwa Jung, Hyeong Kyu Park, Yeo Ju Kim, Ji Oh Mok, Sang Jin Kim, Chul Hee Kim, Dong Won Kim, Dong Won Byun, Kyo Il Suh, Myung Hi Yoo; J Korean Endocr Soc. 2009;24(3):189-194. Published online September 1, 2009; DOI: https://doi.org/10.3803/jkes.2009.24.3.189

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Abstract PDF: Pheochromocytoma not only decreases insulin secretion but also increases insulin resistance. One third of patients with pheochromocytoma have diabetes mellitus and their clinical prognosis showed improvement after surgery. Until now, those patients whose prognosis for diabetes mellitus improved after the operation of pheochromocytoma had typical characteristics such as hypertension, palpitation, headache and elevated hormones such as Vanillylmandelic acid, metanephrine, epinephrine and norepinephrine. We present the case of a 75-year-old woman with asymptomatic adrenal incidentaloma identified as pheochromocytoma which exhibited normal biochemical test results, and after removal of the abdominal mass, her severe hyperglycemia improved.

A Case of Primary Hypothyroidism with Anti-Triiodothyronine Autoantibody.: Jae Ho Park, Ji Hoon Ahn, Mi Hee Kang, Jong Chul Won, Kyung Wook Lee, Yeo Joo Kim, Ji Oh Mok, Hyeong Kyu Park, Chul Hee Kim, Sang Jin Kim, Dong Won Byun, Kyo Il Suh, Myung Hi Yoo; J Korean Endocr Soc. 2006;21(5):428-432. Published online October 1, 2006; DOI: https://doi.org/10.3803/jkes.2006.21.5.428

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Abstract PDF

Antithyroid hormone autoantibodies can be present in the sera of patients with thyroid and non-thyroid disorders. Antithyroid hormone autoantibodies in a patient's serum interfere with radioimmunoassay of thyroid hormones. Clinically, this interference can result in discordance between the serum thyroid hormone levels and the clinical features of the patient, which can lead to misdiagnosis or inappropriate treatment. We experienced a woman who had primary hypothyroidism with unexpectedly high concentrations of serum total triiodothyronine (T(3)) and free T(3), and she had been treated for Graves' disease in the past. Through the use of a polyethylene glycol precipitation method, we detected the anti-triiodothyronine autoantibodies in her serum. We report on this case along with a review of the related literature.

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Thyroxine (T4) Autoantibody Interference of Free T4 Concentration Measurement in a Patient With Hashimoto’s Thyroiditis
Mi-Na Lee, Soo-Youn Lee, Kyu Yeon Hur, Hyung-Doo Park
Annals of Laboratory Medicine.2017; 37(2): 169. CrossRef

A Case of Papillary Thyroid Carcinoma Combined with Metastatic Renal Cell Carcinoma in the Thyroid.: Kang Il Cheon, Kyung Wook Lee, Ji Oh Mok, Yeo Ju Kim, Hyung Kyu Park, Chul Hee Kim, Sang Jin Kim, Dong Won Byun, Kyo Il Suh, Myung Hi Yoo, Hee Kyung Kim, Youn Woo Ko; J Korean Endocr Soc. 2006;21(1):85-89. Published online February 1, 2006; DOI: https://doi.org/10.3803/jkes.2006.21.1.85

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Metastasis to the thyroid from distant cancer is rarely diagnosed clinically and renal cell carcinoma is the most common group of neoplasm to metastasize to the thyroid. Papillary thyroid carcinoma is known as the most frequent primary thyroid cancer. But coexistence with metastatic renal cell carcinoma to thyroid and papillary thyroid carcinoma is very rare. We are reporting this highly unusual case of metastatic renal cell carcinoma to thyroid, which harbored papillary thyroid cancer. To our knowledge, this is the first case reported in Korea. A 57-year-old woman presented with hoarseness and palpable anterior neck mass. She had a history of renal cell carcinoma of right kidney, which had been resected 10 years previously and had undergone lower anterior resection due to sigmoid colon cancer 2 months before. Fine needle aspiration cytology suggested follicular neoplasm, and total thyroidectomy was performed. The pathology from the thyroid nodules showed papillary thyroid cancer combined metastatic renal cell carcinoma.

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A Case of Metastatic Renal Cell Carcinoma to Thyroid Gland Mimicking as Anaplastic Thyroid Carcinoma
Sooyeon Jo, Hyung Gyun Na, Chang Hoon Bae, Yoon Seok Choi
Korean Journal of Otorhinolaryngology-Head and Neck Surgery.2021; 64(10): 755. CrossRef

A Case of Panhypopituitarism with Rhabdomyolysis.: Sung Wook Hong, Eun Jung Lee, Ji Young Park, Ji Sung Yoon, Ji O Mok, Yeo Joo Kim, Hyeong Kyu Park, Jae Woo Kim, Chul Hee Kim, Sang Jin Kim, Dong Won Byun, Kyo Il Suh, Myung Hi Yoo; J Korean Endocr Soc. 2005;20(2):174-178. Published online April 1, 2005; DOI: https://doi.org/10.3803/jkes.2005.20.2.174

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Abstract PDF: Rhabdomyolysis is the consequence of extensive muscle injury with the release of muscle cell constituents into plasma. It can arise from trauma and also from a variety of nontraumatic causes. Trauma, drugs, toxins and infection are the major causes of rhabdomyolysis, but it is rarely associated with metabolic disorders such as severe electrolyte disturbance, diabetic ketoacidosis, hyperosmolar nonketotic coma, hypothyroidism and thyrotoxicosis. There have been several reported cases of metabolic rhabdomyolysis, but panhypopituitarism as a cause has never been identified. We experienced a case of acute rhabdomyolysis associated with panhypopituitarism. Thus, So we report this case with the review of related literature. Metabolic disorder is a rare cause of rhabdomyolysis, but it should always be considered in a patient having and unexplained increased of the creatine kinase concentration

A Case of Kallmann's Syndrome with Unilateral Renal Aplasia and Diabetes Mellitus.: En Jung Lee, Sung Wook Hong, Yun Ki Hong, Ji Sung Yoon, Ji O Mok, Yeo Joo Kim, Hyeong Kyu Park, Chul Hee Kim, Sang Jin Kim, Dong Won Byun, Won Kyung Bae, Kyo Il Suh, Myung Hi Yoo; J Korean Endocr Soc. 2005;20(1):96-102. Published online February 1, 2005; DOI: https://doi.org/10.3803/jkes.2005.20.1.96

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Kallmann's syndrome is defined as the combination of hypogonadotropic hypogonadism and anosmia/hyposmia. The syndrome is a result of defect in the embryonic migratory pathway of gonadotropin-releasing hormone, which synthesizes neurons and olfactory axons. The hypogonadotropic hypogonadism results due to absence of or incomplete pubertal development and may be associated with anosmia, hyposmia, midline defect(color blindness, cleft-lip, cleft-palate, unilateral renal agenesis, sensorineural deafness), cryptorchidism and skeletal anomaly. Till date in Korea, few cases of Kallmann's syndrome have been reported but there are no available reports on cases of Kallmann's syndrome with unilateral renal aplasia and diabetes mellitus. We handled a case of Kallmann's syndrome associated with unilateral renal agenesis and diabetes mellitus. In the current work, we present a peculiar case as afore mentioned with the review of related literature.

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A Case of Kallmann's Syndrome with Frontal Lobe Atrophy and Mental Retardation
Soyoung Hyun, Seungguk Park, Dong Gu Kang, Seung Uk Jeong, Dea Ho Lee, Gwanpyo Koh
Endocrinology and Metabolism.2010; 25(2): 142. CrossRef
A Case of Kallmann's Syndrome Mildly Presenting as Secondary Amenorrhea
Na Rae Joo, Cheol Young Park, Hong Ju Moon, Jun Goo Kang, Sung Hee Ihm, Moon Gi Choi, Hyung Joon Yoo, Yul Lee, Ki Won Oh, Sung woo Park
Journal of Korean Endocrine Society.2007; 22(2): 130. CrossRef

A Case of Thyrotoxic Paraplegia.: Gun Wha Lee, Jin Woo Park, Ji Sung Yoon, Ji O Mok, Yeo Joo Kim, Hyeong Kyu Park, Chul Hee Kim, Sang Jin Kim, Dong Won Byun, Kyo Il Suh, Myung Hi Yoo, Du Shin Jeong; J Korean Endocr Soc. 2004;19(4):419-425. Published online August 1, 2004

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Abstract PDF: Hyperthyroidism may be associated or present with a variety of neuromuscular disorders, including thyrotoxic myopathy, exophthalmic ophthalmoplegia, periodic paralysis and myasthenia gravis. In contrast to muscle, peripheral nerve involvement in hyperthyroidism is exceedingly rare, and has received little attention. Paraplegia-like weakness during severe hyperthyroidism was first described by Charcot in 1889, and called Basedow's paraplegia' by Joffory in 1894. However, there has been no reported case in Korea. A 38-year-old woman was admitted for evaluation of progressive weakness and a gait disturbance. Her endocrinological results were compatible with hyperthyroidism. The polyneuropathy was also confirmed with sequential electrophysiological studies of the nerves and muscles. Drug therapy for hyperthyroidism resulted in resolution of the clinical neurological symptoms and progressive improvement of electrophysiological findings. Hyperthyroidisms are common medical disorders, which are often accompanied by diverse types of neurological and neuromuscular dysfunctions. All of these neurological manifestations are important, as they can serve as important clues to the diagnosis of a thyroid disorder. Furthermore, they are often related to the patient's presenting complaint. Therefore, the physician must be alert to the diverse manifestations of thyroid dysfunction, as they can lead to the diagnosis of potentially serious but treatable disorders. Herein is reported a case of myopathy and neuropathy associated with hyperthyroidism (Basedow's paraplegia), with a review of the literature

Increased Activity of Insulin-like Growth Factor binding Protein-4 Protease in H-mole Patients.: Woo Seok Seo, Dong Won Byun, Ji Oh Mok, Ji Sung Yoon, Yeo Joo Kim, Hyung Kyu Park, Chul Hee Kim, Sang Jin Kim, Kyo Il Suh, Myung Hi Yoo, Hae Hyeog Lee, Soo Kyoon Rah; J Korean Endocr Soc. 2004;19(4):346-357. Published online August 1, 2004

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Abstract PDF: BACKGROUND
Hydatidiform mole (H-mole) is characterized by the neoplastic proliferation of trophoblasts. Only 1~10% of patients with partial H-mole will develop a trophoblastic tumor, but 18~29% of those with complete H-mole will develop a persistent trophoblastic tumor. Therefore, the early diagnosis and monitoring after operation of an H-mole disease are very important. Recently, the pregnancy associated plasma protein-A (PAPP-A) was proved to have a similar role as that of IGF binding protein-4 (IGFBP-4) protease, which has shown an increasing function in fetal growth and development by degradation of IGFBP-4 and an increase in IGF in the serum during pregnancy. Our hypothesis is "the H-mole, which shows placental hyperplasia will also have an IGFBP-4 protease activity, which may be used as in the early diagnosis and monitoring of H-mole disease". METHODS: Serum samples from 6 non-pregnant, 18 pregnant (5 in the 1st trimester, 10 in the 2nd, and 3 in the 3rd), 12 postpartum women and 3 H-mole patients(2 with complete H-mole and 1with partial H-mole) were collected and measured for the -HCG, IGF and PAPP-A levels and IGFBP-4 protease activities by a IGF-II ligand blot analysis and electrophoresis method. The IGFBP-4 protease activity of the serum during normal pregnancy was compared with that of H-mole disease. RESULTS: The results from the in vitro protease assays using recombinant IGFBP-4 determined that IGFBP-4 proteolysis was significantly increased during the first (56%) and second trimesters (90%), but reached a plateau by the third trimester (94%). In H-mole disease diagnosed 11 weeks after conception, the IGFBP-4 proteolytic activity was 97%, which was nearly the same as at terminal pregnancy. This activity gradually decreased to 75% at 1 week, 58.7% at 2 and 33% at 3 weeks after the operation. The -HCG was also decreased from 490,400 to 123,822.7, 1,352.3, and 128.5 mIU/mL at 1, 2 and 3 weeks after the operation, respectively. The PAPP-A level also gradually decreased from 34.87 to 25.5, 12.0 and 2.7 g/mL 1, 2 and 3 weeks after the operation, respectively. However, the IGF decreased from 238.3 to 172.9 ng/mL 1 week after the operation, but increased to 251.4 and 295 ng/mL at 2 and 3 weeks after the operation, respectively. CONCLUSION: These results demonstrated that the IGFBP-4 protease activity was significantly increased during pregnancy, and was extremely elevated durimg the early stages of H-mole disease, but gradually decreased after removal of molar tissue. Therefore, measuring the IGFBP-4 protease activity may play an important role in the early diagnosis and monitoring of H-mole disease

A Case of Severe Thyrotoxicosis Induced by Hydatidiform Mole.: Jae Hak Lee, Jong Kun Park, Soon Hyo Kwon, Ji Oh Mok, Ji Sung Yoon, Yeo Joo Kim, Hyung Kyu Park, Chul Hee Kim, Sang Jin Kim, Hae Hyeog Lee, Gye Hyun Nam, Gye Hyun Kwan, Eun Suk Ko, Dong Won Byun, Kyo Il Suh, Myung Hi Yoo; J Korean Endocr Soc. 2003;18(4):420-425. Published online August 1, 2003

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Abstract PDF: Human chorionic gonadotropin (HCG) is one of the glycoproteins families synthesized by the placenta, and consists of 2 noncovalently joined subunits, namely, alpha and beta. The alpha and beta-subunits have a structural homology with the alpha and beta-subunits of TSH and LH. The thyrotropic action of HCG results from its structural similarity to TSH, so beta-HCG can bind to the TSH receptor in the thyroid gland. A high level of HCG, accompanied by an increased thyroid hormone level, can be observed in gestational trophoblastic diseases (GTD), such as a hydatidiform mole or a choriocarcinoma. However, the clinical symptoms of hyperthyroidism in GTD are rarely observed. A 27-years-old woman, admitted due to an amenorrhea of 11 weeks duration, with thyrotoxic symptoms, such as weight loss, palpitation, sweating, tremor, heat intolerance and anxiety, was evaluated. Her serum free T4 level was 8 times higher than normal, and her serum beta-HCG level was over 1,000,000IU/L. She had a curettage operation, with the pathological findings of a complete hydatidiform mole. These thyrotoxic symptoms developed due to a hydatidiform mole, and were accompanied with a highly increased serum beta-HCG level. After evacuation of the molar tissue, the thyroid hormone and thyrotoxic symptoms normalized. Here, this case is reported, with brief review of the literature.

Usefullness of Urinary Free Cortisol Measurement in Diagnosis of Iatrogenic Cushing Syndrome.: Yong Hyun Kim, Sang Jin Kim, Dong Seop Choi; J Korean Endocr Soc. 2000;15(2):162-169. Published online January 1, 2001

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Abstract PDF: BACKGROUND
Although insulin induced hypoglycemia test is a standard diagnostic method in assessment of hypothalamo-pituitary-adrenal axis, rapid ACTH stimulation test using 250microgram has been used as a first line diagnostic test especially in secondary adrenal insufficiency due to iatrogenic Cushing syndrome because it is easy and safe. However, it was suggested that a maximal cortisol response can be achieved with a much lower ACTH dose and 1microgram ACTH enhances the sensitivity without decreasing specificity of test. Also recently, there was a report that midnight to morning urine cortisol increment is more accurate, noninvasive method can be used for measurement of hypothalmo-pituitary-adrenal axis. In this study, we compared the 1microgram ACTH stimulation test with midnight to morning urinary free cortisol increment in secondary adrenal insufficiency due to iatrogenic Cushing syndrome to study the agreement of two test and accuracy of increment of urinary free cortisol in diagnosis of adrenal insufficiency. METHODS: Double voided urine sample were collected at midnight and 8 A.M. in 12 patients who have Cushing-like feature and history of taking glucocorticoids and in 12 normal controls. Urinary free cortisol was measured and cortisol increment was defined as the morning urine free cortisol minus the midnight urine free cortisol. The 1microgram ACTH stimulation test was performed in 12 iatrogenic Cushing syndrome patients at the same day and compard with the result of cortisol increment. RESULTS: Using the results of 12 controls, normal urine free cortisol increment was defined as greater than 165.5nmol/L(6.0microgram/dL). Subnormal cortisol response in 1microgram ACTH stimulation test was noted in 8 out of 12 patients group and urinary free cortisol increment was not observed in 7 out of 8 subnormal response group. Normal cortisol response in 1microgram ACTH stimulation test was noted in 4 out of 12 patients group and urinary free cortisol increment was observed in 3 out of 4 normal response group. So 83% of concordance rate between 1microgram ACTH stimulation test and urine free cortisol increment was recorded. CONCLUSION: Urinary free cortisol increment has high concordance rate with 1microgram ACTH stimulation test and simple, easy test in diagnosing secondary adrenal insufficiency due to iatrogenic Cushing syndrome. Further study including more patients will be helpful to know the adequacy and reliability of test in evaluation of hypothalamo-pituitary-adrenal axis.

A Case of Afrenocortical Carcinoma Associated with Multiple Paraganglioma.: Kyung Mook Choi, Jeong Heon Oh, Nan Hee Kim, Yong Hyun Kim, Ae Ree Kim, Chul Hwan Kim, Sang Jin Kim, Sei Hyun Baik, Dong Seop Choi; J Korean Endocr Soc. 1999;14(3):599-604. Published online January 1, 2001

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Abstract PDF: Simultaneous oceurrence of adrenocortical tumor and pheochromocytoma is extremely rare. Coexistence of adrenal tumor and pheochromocytoma was first reported by Cope in 1952 and some other cases were reported after that. But there was no report about coexistence of adrenocortical carcinoma and paragangliomas. Recently, we experienced a case of adrenocortical carcinoma associated with multiple paragangliomas. A 35-year-old woman was admitted to the hospital because of left upper abdominal pain. A palm-sized fum tender mass was palpated at left upper quadrant. Hormonal studies revealed pheochromocytomas feature. Fmergency operation was performed because of the possibility of intemal hemorrhage of the tumor. Operator found 10 cm sized mass in left adrenal area and also the other 5 small tumors adjacent to IVC. Pathologic report revealed that adrenal mass was adrenocortical carcinoma with hemorrhagic necrosis and tumors adjacent to IVC were paragangliomas. This patient was the first case of adrenocortical carcinoma with multiple paragangliomas in the world. So we report this case with a review of literature.

A Case of Insulinoma which was treated by Laparoscopic Enucleation.: Ie Byung Park, Young Jae Oh, Jung Heon Oh, Nan Hee Kim, Sang Jin Kim, Se Hyun Baek, Seob Sub Choi, Sung Ok Seo, Min Kyung Kim; J Korean Endocr Soc. 1998;13(4):665-669. Published online January 1, 2001

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Abstract PDF: Insulinoma is a functional endocrine tumor arising from the beta cells of islets of Langerhans of pancreas. The only effective treatment of insulinoma was surgical removal of the tumor. Recently, laparoscopic surgery for islet cell tumors of the pancreas is introduced. Laparoscopic enucleation or resection of benign islet tumors results in a shorter hospital recovery and is a good alternative to open surgery We report a case of insulinoma that was treated sucessfully by laparoscopic enucleation.

Expression of E-cadherin and a-catenin in Thyroid Carcinomas.: Sang Jin Kim, Min Chul Lee; J Korean Endocr Soc. 1997;12(4):533-540. Published online January 1, 2001

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Abstract PDF: BACKGROUND
Cell-cell adhesion in tissue is mainly regulated by hornotypic interaction of cadherin molecules, which are anchored to the cytoskeleton via cytoplasmic proteins, including a-and / 3-catenin. Loss of E-cadherin and catenin have been attributed a pathogenetic role in tumor invasion. METHODS: We examined the expression of E-cadherin and a-catenin in human thyroid carcinoma by immunohistochemistry. RESULTS: Normal tissue strongly expressed E-cadherin and a-catenin. However, E-cadherin and a-catenin expression were frequently reduced in thyroid carcinoma (E-cadherin: 62.5%, a-catenin: 81.3%). But the expression of E-cadherin and a-catenin in tumors with metastatic spreading were not different with tumors without metastasis. CONCLUSION: These results suggest that reduced E-eadherin and a-catenin expression may be a sensitive marker for disturbance in the adhesive function of the junctional complex, but further evaluation with more cases is needed for confirmation of the result of the same degree of expression in tumors with metastasis.

A Case of Isolated ACTH Deficiency.: Sang Jin Kim, Kyung Mook Choi, Sei Hyun Baik, Dong Seop Choi; J Korean Endocr Soc. 1995;10(4):445-450. Published online November 7, 2019

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Abstract PDF: solated ACTH deficiency is a very uncommon cause of hypoadrenocorticism, with less than 200 cases reported in the literatures. The clinical presentation can be similar to that of primary adrenal insufficiency, but there is a greater tendency for hypoglycemia and absence of hyperpigmentation. The diagnosis is established by demonstrating hypocortisolism with undetectable serum levels of ACTH, normal adrenal responsiveness to prolonged ACTH infusion, and an absent ACTH response to insulin-induced hypoglycemia. Other endocrine function is normal.We experienced a case of isolated ACTH deficiency in 34 years old female who was admitted due to fever and drowsy mentality.So we present this case with a review of literatures.

A Clinical Study of 11 Cases of Adrenal Ineidentaloma.: Jae Myung Yoo, Sang Jin Kim, Kyung Mook Choi, Sei Hyun Baik, Dong Seop Choi, Yong Hyun Kim, Eun Jong Lee; J Korean Endocr Soc. 1994;9(4):358-365. Published online November 6, 2019

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Abstract PDF: With the wide application of ultrasonography and CT scanning, the incidental finding of a radiologic abnormality, apparently adrenal origin, has presented a problem for clinical management. The prevalence of these clinically silent tumors has been reported as 0.6 to 1.3% of upper abdominal CT scans performed for other reasons.Once identified, an adrenal lesion must characterized as to its functional status and malignant potential. A thorough approach that initially excludes biochemical hypersecretion, then considers characteristics of anatomy and the functional nature of an adrenal mass, will allow a rational and cost-effective evaluation and management of these lesions.We present out experience of eleven adrenal incidentalomas with a review of literatures.

Changes in Bone Mineral Density in Patients with Sheehan's Syndrome.: Jae Myung Yoo, Sang Jin Kim, Kyung Mook Choi, Sei Hyun Baik, Dong Seop Choi, Eun Jong Lee, Yong Hyun Kim; J Korean Endocr Soc. 1994;9(1):10-17. Published online November 6, 2019

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Abstract PDF: Osteoporosis is a common clinical problem with high risk of fractures in old age, especially postmenopausal women.Secondary causes of osteoporosis can be identified in 20% of women and 40% of men with vertebral fractures. One of the causes of secondary osteoporosis is endocrine disease such as hypogonadism, ovarian agenesis, hyperadrenocorticism, hyperthyroidism, hyperparathyroidism and diabetes mellitus. Patients with Sheehan's syndrome have deficiency of multiple hormones which may cause bone loss.To determine changes in the bone mineral density in women with Sheehan's syndrome and to compare clinical and biochemical characteristics between the patients with osteoporosis and the patients without osteoporosis, we measured the bone mineral density(BMD) of the lumber spine and midradius by dual energy X-ray absortiometry(DEXA) and the serum levels of estrogen and osteocalcin in 11 patients of Sheehan's syndrome.The results were as follows;1) The BMDs of the lumbar spine were significantly decreased in patients with Sheehan's syndrome when compared with those of age-matched control.2) The prevalence of osteoporosis in patients with Sheehan's syndromes was 55%. Between the patients with osteoporosis and the patients without osteoporosis, there were no difference in the onset age of amenorrhea, the duration of amenorrhea, and the serum levels of osteocalcin and alkaline phosphatase.3) Serum estradiol levels were decreased uniformly in the patients with Sheehan's syndrome except three patients with estrogen replacement, but the concentration of estradiol was not correlated with the degree of the decrease in bone mass.In conclusion, the patients with Sheehan's syndrome have an increased prevalence of osteoporosis. But the effect of each anterior pituitary hormone deficiency on bone loss should be clarified in the futher prospective study.

4 unusual cases of pheochromocytoma.: Sai Hyun Baik, Kyung Mook Choi, Eun Jong Lee, Yong Hyun Kim, Sang Jin Kim, Jae Myung Yu, Dong Seop Choi; J Korean Endocr Soc. 1993;8(3):356-362. Published online January 1, 2001

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A case of symptomatic rathke's cleft cyst.: Yong Hyun Kim, Eun Jong Lee, Sang Jin Kim, Jae Myung Yoo, Sei Hyun Baik, Dong Seop Choi; J Korean Endocr Soc. 1993;8(1):94-99. Published online January 1, 2001

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A case of familial goiter due to organification defect in siblings.: Sang Jin Kim, Eun Jong Lee, Yong Hyun Kim, Goo Lee, Sai Hyun Paik, Jae Myung Yu, Dong Seop Choi, Jae Geol Choi; J Korean Endocr Soc. 1992;7(4):391-396. Published online January 1, 2001

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A case of lingual thyroid with euthyroidism.: Sin Hyung Lee, Yong Hyun Kim, Eun Jong Lee, Sang Jin Kim, Jae Myung Yu, Sei Hyun Baik, Dong Seop Choi; J Korean Endocr Soc. 1992;7(3):300-304. Published online January 1, 2001

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