Case Reports
- A Case of Diabetes Insipidus with Langerhans Cell Histiocytosis in Adult.
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Jae Hoon Chung, Kwang Won Kim, Kyu Jeung Ahn, Yong Ki Min, Myung Shik Lee, Moon Kyu Lee, Eun Mi Koh, Choon Kwan Kim, Mann Pyo Jung
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J Korean Endocr Soc. 1996;11(3):330-335. Published online November 7, 2019
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- In Langerhans cell histiocytosis, diabetes insipidus is the most common endocrinologic complication. We experienced a case of Langerhans cell histiocytosis, involving pituitary stalk and lung. The patient was a 43 year old male with complaint of polyuria and polydipsia. The water deprivation test was carried out to confirm the diagnosis of diabetes insipidus. We found multiple small cysts and nodules in HRCT of lung, and diagnosed Langerhans cell histiocytosis by transbronchial lung biopsy, The patient was managed conservatively with DDAVP nasal spray. The polyuria,polydipsia was relieved completely. After that, we follow up and observe closely the patients lung and pituitary lesion.
- Two cases of 111Indium Pentetreotide Scan for the Pre- and Post-Operative Evaluation of Localization and Metastasis in Medullary Thyroid Carcinoma.
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Jae Hoon Chung, Kwang Won Kim, Kyu Jeung Ahn, Yong Ki Min, Myung Shik Lee, Moon Kyu Lee, Kyoung Ah Kim, Yeun Sun Kim, Eun Mi Koh
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J Korean Endocr Soc. 1996;11(1):85-92. Published online November 7, 2019
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- Medullary carcinoma of the thyroid gland(MTC) constitutes approximatesly 3% to 10% of all malignant thyroid tumors. It appears in both familial and sporadic forms. Metastases are frequently present at diagnosis and are resistant to chemotherapy and radiotherapy. Surgical resection of the primary tumor and the metastases is the mainstay of treatment. Although MTC can be detected by elevated serum calcitonin, localization of residual or metastatic foci may be difficult. Many scintigraphic methods have been used for identification of the residual tumor or metastasis. However, most of them have either low sensitivity or low specificity. MTC frequently secretes somatostatin and may express somatostatin receptors. Recently, somatostatin-receptor imaging has been known to be useful for the detection of residual and recurrent medullary thyroid carcinoma. A 25 year-old woman who was dignosed as medullary carcinoma by biopsy of thyroid mass is presented. Thirteen years ago, she underwent left thyroidectomy due to thyroid cancer(MTC). Laboratory tests revealed an increase in the levels in serum CEA(CEA=557.6 ng/ml) and calcitonin(calcitonin= 720 pg/ml). The second patient, a 30 year-old female, complained of a palpable mass in the left anterior neck. Ten years ago, she underwent a right lobectomy of thyroid gland due to adenomatous goiter. Laboratory tests revealed an increase in the levels in serum CEA(CEA=617 ng/ml) and Calcitonin (Calcitonin=2,300 pg/ml). In both cases, pre- and postoperative In-111 pentetreotide scintigraphy were done and compared with "'I scintigraphy. In-111 pentetreotide scan may be useful for the localization of residual or metastatic medullary thyroid carcinoma. Further study is warranted to define the sensitivity and specificity of the technique.
Original Articles
- Spontaneous Recovery from Hypothyroidism in Autommune Thyroiditis.
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Bo Youn Cho, Jae Hoon Chung, Kwang Won Kim, Kyu Jeung Ahn, Yong Ki Min, Myung Shik Lee, Moon Kyu Lee
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J Korean Endocr Soc. 1996;11(1):30-40. Published online November 7, 2019
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- Background
A lifelong thyroxine therapy is indicated in all patients who have hypothyroidism as a result of autoimmune thyroiditis. However, it has been reported that some hypothyroid patients with autoimmune thyroiditis have spontaneous remission with restriction of iodine intake instead of thyroxine therapy. The purpose of study was to investigate how many hypothyroid patients with autoimmune thyroiditis can recover from hypothyroidism with restriction of iodine intake instead of thyroxine therapy and which factors predict recovery from hypothyroidism. Methods: We studied 64 patients with autoimmune thyroiditis(goitrous autoimmune thyroiditis 56, atrophic autoimmune thyroiditis 8). Thyroxine therapy was discontinued in patients with goitrous autoimmune thyroiditis on the way(group 1, n=32) or from the beginning(group 2, n=24) and atrophic autoimmune thyroiditis on the way(group 3, n-8). All patients were asked to avoid iodine-rich foods and thyroid function was monitored every one to two months for up to 35 months. Serum T3, T4, TSH concentrations, antithyroglobulin and antimicrosomal antibodies were measured by radioimmunoassay(RIA). TSH binding inhibitor immunoglobulin(TBII) was measured in serum using radioreceptor assay. Two hundred micrograms of thyrotropin releasing hormone (TRH) were given as intravenous bolus and TSH levels were measured in blood samples taken at 0, 30, and 60 minutes. All values were expressed as mean+-SEM. Statistical analysis was done with paired or non-paired t-test, ANOVA, and the Chi-square test. Statistical significance was defined as p-value below 0.05. Results: Thirteen(40.6%) of 32 patients in group 1 remained euthyroid after 12-35 months of discontinuation of thyroxine therapy. The other 19(59.4%) patients in group 1 had recurrences of hypothyroidism within 3 months after discontinuation of thyroxine therapy. In 11(45.8%) out of 24 patients in group 2, serum TSH concentrations declined below 5 mU/L within 3 months without thyroxine therapy. The other 13(54.2%) patients in group 2 remained hypothyroid till 2-16 months and the thyroxine was given. In contrast, all 8 patients in group 3 had recurrences of hypothy- roidism within 3 months after stopping thyroxine therapy. When we compared the recovered patients of goitrous autoimmune thyroiditis with the non-recovered patients of goitrous autoimmune thyroiditis, regardless of thyroxine therapy from the beginning, age at onset of disease of the 24 recovered patients was significantly younger than the 32 non-recovered patients(30.1+2.0 years vs. 40.2+ 2.4 years; p=0.004). Concl#usion: These findings suggest that 42.9% of hypothyroid patients with goitrous autoim- mune thyroiditis remain or become spontaneously euthyroid with restriction of iodine intake instead of thyroxine therapy. Young age may be a predicting factor of recovery from hypothyroidism in goitrous autoimmune thyroiditis.
- Effect of Antiliyolytic Agents on Glueose Metabolism in Thyrotoxic Patients.
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Seong Yeon Kim, Kyung Soo Park, Bo Youn Cho, Hong Kyu Lee, Chan Soo Shin, Chang Soon Koh, Hun Ki Min, Tae Geun Oh, Chul Hee Kim, Moon Kyu Lee, Jong Ho Ahn, Kee Up Lee
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J Korean Endocr Soc. 1994;9(4):325-331. Published online November 6, 2019
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- Decreased glucose tolerance is often found in patients with thyrotoxicosis but the pathogenetic mechanisms are poorly understood. Since the concentrations of free fatty acid are usually elevated due to increased lipolysis in thyrotoxicosis, the preferential oxidation of the free fatty acids may explain the decreased glucose tolerance in hyperthyroidism. The aim of this study was to investigate whether lowering plasma free fatty acid(FFA) by acipimox, a long-acting antilipolytic agent, could affect glucose metabolism in thyrotoxicosis. We performed intravenous glucose tolerance test with acipimox or placebo in 6 untreated thyrotoxicmen and 6 age-and body mass index(BMI)-matched controls. The following results were obtained.1) The basal plasma FFA concentration in thyrotoxic patients were significantly higher than those in controls(997.0+-303.4 uEq/L vs. 290.5+-169.1 uEq/L; p<0.01). 2) Plasma FFA concentrations decreased rapidly with acipimox ingestion in both controls and thyrotoxic patients.3) Plasma glucose concentrations were significantly lower with acipimox ingestion than with placebo in thyrotoxic patients from 17min after intravenous glucose load and to the end of the study.4) Plasma insulin concentrations in thyrotoxic patients with acipimox ingestion were higher at 5, 7 min after iv glucose load.5) In thyrotoxic patients, glucose disappearance rate(K_glucose) in acipimox treatment was significantly higher than that in placebo treatment(2.44+-0.84 vs. 1.58+-0.37;p<0.05). 6) K_glucose values were inversely correlated with basal FFA concentrations(r=-0.58, p<0.05). In summary, in thyrotoxic patients with elevated plasma FFA levels, acipimox lowered plasma FFA, which in turn improved glucose tolerance.
- Obesity and Metabolism
- Association between Serum Albumin, Insulin Resistance, and Incident Diabetes in Nondiabetic Subjects
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Ji Cheol Bae, Sung Hwan Seo, Kyu Yeon Hur, Jae Hyeon Kim, Myung-Shik Lee, Moon Kyu Lee, Won Young Lee, Eun Jung Rhee, Ki Won Oh
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Endocrinol Metab. 2013;28(1):26-32. Published online March 25, 2013
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DOI: https://doi.org/10.3803/EnM.2013.28.1.26
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- Background
Serum albumin has been suggested to be associated with insulin resistance. We evaluated the association between serum albumin concentration and insulin resistance. We also investigated whether serum albumin level has an independent effect on the development of diabetes.
MethodsIn our study, 9,029 subjects without diabetes, who underwent comprehensive health check-ups annually for 5 years, were categorized into tertiles based on their serum albumin levels at baseline. The odds ratio (OR) for the prevalence of insulin resistance, defined as the top quartile of homeostasis model assessment of insulin resistance and the presence of impaired fasting glucose and nonalcoholic fatty liver disease, was evaluated cross-sectionally. Also, the hazard ratio (HR) for incident diabetes was estimated longitudinally, according to the baseline albumin tertiles using Cox proportional hazard analysis respectively.
ResultsFrom the lowest to the highest tertile of albumin, the multivariable-adjusted ORs of insulin resistance increased significantly in both men and women. During the mean follow-up period of nearly 4 years, 556 (6.1%) subjects progressed to diabetes. The multivariable-adjusted HR (95% confidence interval [CI]) of diabetes in men were 1, 1.09 (95% CI, 0.86 to 1.40), and 1.10 (95% CI, 0.86 to 1.41), respectively, from the lowest to the highest tertiles of baseline albumin. Corresponding values for women were 1, 1.21 (95% CI, 0.66 to 2.21), and 1.06 (95% CI, 0.56 to 2.02), respectively.
ConclusionOur study showed that increased serum albumin level was associated with insulin resistance. However, serum albumin did not have an independent effect on the development of diabetes.
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- Clinicopathological Characteristics and Prognostic Factors of Medullary Thyroid Carcinoma.
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Hye Won Jang, Ji In Lee, Kyu Yeon Hur, Jae Hyeon Kim, Sun Wook Kim, Yong Ki Min, Myung Shik Lee, Moon Kyu Lee, Kwang Won Kim, Jae Hoon Chung
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Endocrinol Metab. 2010;25(3):183-191. Published online September 1, 2010
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DOI: https://doi.org/10.3803/EnM.2010.25.3.183
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- BACKGROUND
Studies on the clinicopathological characteristics and prognostic factors of medullary thyroid carcinoma (MTC) in Korea are very rare. METHODS: We enrolled 56 MTC patients who underwent surgery at Samsung Medical Center from 1995 to 2006. We analyzed their gender, age at diagnosis, the pathologic findings, the TNM stage, the association with multiple endocrine neoplasia (MEN), RET protooncogene mutation and the, serum basal calcitonin levels before and after the surgery. We investigated the overall survival and the prognostic factors. RESULTS: The mean age at diagnosis was 46 years and the male/female ratio was 1:2.7. Fine needle aspiration cytology detected 61% of the MTC. The mean tumor size was 2.6 cm (range: 0.2-9.0 cm). Fifty-two percent of patients had the TNM stage more than III at the time of diagnosis. Distant metastasis was found in 5.3% (3/56) of the patients, either at the time of diagnosis or during the follow-up period. Hereditary MTC comprised of 23% of the patients and the disease developed at a younger age (38 years vs. 48 years, respectively, P < 0.05) with more bilaterality. RET protooncogene mutations were found in 27% (9/33) of the patients and most of them were in codon 634. After the primary surgery, the serum basal calcitonin levels were persistently elevated over 13 ng/L in 49% of the patients. The overall 5-year survival rate was 95.5%. Tumor size and distant metastasis were the significant prognostic factors for survival by univariate analysis (P < 0.05). CONCLUSION: There were no significant differences in the clinicopathological characteristics of MTC and survival in Korea compared to those of the Western countries.
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Citations
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- Preoperative Clinical and Sonographic Predictors for Lateral Cervical Lymph Node Metastases in Sporadic Medullary Thyroid Carcinoma
Hye-Seon Oh, Hyemi Kwon, Eyun Song, Min Ji Jeon, Dong Eun Song, Tae Yong Kim, Jeong Hyun Lee, Suck Joon Hong, Won Bae Kim, Young Kee Shong, Jung Hwan Baek, Won Gu Kim
Thyroid.2018; 28(3): 362. CrossRef - The Relationship between Ultrasonographic Features and Clinical Characteristics of Medullary Thyroid Carcinoma
Min Joon Park, Young Sik Choi, Hee Sung Song, Beom Su Kim
Clinical Ultrasound.2018; 3(1): 8. CrossRef - Dynamic risk stratification for medullary thyroid cancer according to the response to initial therapy
Hyemi Kwon, Won Gu Kim, Min Ji Jeon, Dong Eun Song, Yu-Mi Lee, Tae-Yon Sung, Ki-Wook Chung, Jong Ho Yoon, Suck Joon Hong, Jung Hwan Baek, Jeong Hyun Lee, Tae Yong Kim, Won Bae Kim, Young Kee Shong
Endocrine.2016; 53(1): 174. CrossRef - Postoperative biochemical remission of serum calcitonin is the best predictive factor for recurrence‐free survival of medullary thyroid cancer: a large‐scale retrospective analysis over 30 years
Kyong Yeun Jung, Seok‐Mo Kim, Won Sang Yoo, Bup‐Woo Kim, Yong Sang Lee, Kyung Won Kim, Kyu Eun Lee, Jong Ju Jeong, Kee‐Hyun Nam, Se Hoon Lee, Jeong Hun Hah, Woong Youn Chung, Ka Hee Yi, Do Joon Park, Yeo‐Kyu Youn, Myung‐Whun Sung, Bo Youn Cho, Cheong Soo
Clinical Endocrinology.2016; 84(4): 587. CrossRef - Changing trends in the clinicopathological features and clinical outcomes of medullary thyroid carcinoma
Hyemi Kwon, Won Gu Kim, Tae‐Yon Sung, Min Ji Jeon, Dong Eun Song, Yu‐Mi Lee, Jong Ho Yoon, Ki‐Wook Chung, Suck Joon Hong, Jung Hwan Baek, Jeong Hyun Lee, Tae Yong Kim, Young Kee Shong, Won Bae Kim
Journal of Surgical Oncology.2016; 113(2): 152. CrossRef - Localization of medullary thyroid carcinoma after surgery using 11C-methionine PET/CT: comparison with 18F-FDG PET/CT
Hye Won Jang, Joon Young Choi, Ji In Lee, Hee Kyung Kim, Hyun Won Shin, Jung Hee Shin, Sun Wook Kim, Jae Hoon Chung
Endocrine Journal.2010; 57(12): 1045. CrossRef
- Clinico-pathologic Characteristics of the Primary Thyroid Cancer in Patients with Breast Cancer.
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Hyun Won Shin, Hye Won Jang, Ji Young Park, Jae Hoon Chung, Young Ki Min, Myung Shik Lee, Moon Kyu Lee, Kwang Won Kim, Sun Wook Kim
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J Korean Endocr Soc. 2009;24(4):240-246. Published online December 1, 2009
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DOI: https://doi.org/10.3803/jkes.2009.24.4.240
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- BACKGROUND
Both thyroid and breast cancers occur more frequently in women than in men. Some suggest that estrogen plays a role in the tumorigenesis of both cancers. The aim of this study was to identify the prevalence and clinico-pathologic characteristics of primary thyroid cancer in patients with breast cancer. METHODS: We retrospectively obtained clinical and pathologic data for 112 patients diagnosed with both thyroid and breast cancer from a single center. Patients with thyroid cancer were grouped according to the chronological sequence of tumor diagnosis. When thyroid and breast cancers were diagnosed within 12 months of each other, they were considered to have been diagnosed simultaneously. Female patients who had only papillary thyroid cancer were used as a historic control. RESULTS: Between 1994 and 2008, 7,827 patients at our hospital were diagnosed with breast cancer and 6,571 patients with thyroid cancer. There were 112 patients who had both thyroid and breast cancer. All thyroid cancers (111/112) except one hurthle cell cancer were papillary thyroid cancers. Average tumor size of thyroid cancer cases diagnosed 1) after or 2) simultaneously with the diagnosis of breast cancer was significantly lower than that for 3) thyroid cancer cases found before breast cancer diagnosis or 4) historical controls with papillary thyroid cancer [sizes (in cm), respectively, were: 1) 0.9 +/- 0.6 2) 0.9 +/- 0.5 vs 3) 1.4 +/- 0.9 4) 1.4 +/- 1.1, P < 0.05]. No patients had distant metastases and there were no statistically significant differences in known risk factors for recurrence and survival of patients with thyroid cancer. CONCLUSION: Thyroid cancer is the most common second primary malignancy in patients with breast cancer and most of them are papillary thyroid cancers. There are no differences in risk factors for tumor recurrence and patient survival compared with those with conventional papillary thyroid cancer except for differences in tumor size. These difference in size may reflect an increase in medical surveillance in patients after they are diagnosed with breast cancer.
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- Survival Outcomes in Thyroid Cancer Patients with Co-Occurring Breast Cancer: Evidence of Mortality Risk Attenuation
Matheus Wohlfahrt Baumgarten, Iuri Martin Goemann, Rafael Selbach Scheffel, Ana Luiza Maia
Clinical Breast Cancer.2024;[Epub] CrossRef - The prognosis and treatment of primary thyroid cancer occurred in breast cancer patients: comparison with ordinary thyroid cancer
Chang Min Park, Young Don Lee, Eun Mee Oh, Kwan-Il Kim, Heung Kyu Park, Kwang-Pil Ko, Yoo Seung Chung
Annals of Surgical Treatment and Research.2014; 86(4): 169. CrossRef - Thyroid Metastasis from Breast Carcinoma Accompanied by Papillary Thyroid Carcinoma
Song-I Yang, Kwang-Kuk Park, Jeong-Hoon Kim
Case Reports in Oncology.2014; 7(2): 528. CrossRef
- Search for Materials that Influence Human Medullary Thyroid Carcinoma Cell Proliferation.
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Hyun Won Shin, Hye Won Jang, Keun Sook Kim, Ji In Lee, Ji Young Park, Sun Wook Kim, Yong Ki Min, Myung Shik Lee, Moon Kyu Lee, Kwang Won Kim, Jae Hoon Chung
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J Korean Endocr Soc. 2009;24(2):93-99. Published online June 1, 2009
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DOI: https://doi.org/10.3803/jkes.2009.24.2.93
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- BACKGROUND
Surgical excision is the only effective treatment of medullary thyroid carcinoma (MTC) and there is no certain treatment for recurrence or distant metastasis. Materials that influence MTC cell proliferation were recently reported. Presently, we evaluated the influence of dexamethasone, somatostatin, progesterone, estradiol-17-beta, forskolin and gastrin on MTC cell proliferation and calcitonin secretion. METHODS: Genomic DNA was extracted and sequenced from untreated thyroid TT cells and cells treated with 10-5~10-10 M dexamethasone, somatostatin, progesterone, estradiol-17-beta, forskolin or gastrin, and cultured for 1~6 days. Cell proliferation was assessed using a BrdU assay at days 1, 2, 3, and 6. Calcitonin in the culture medium from dexamethasone-treated TT cells was measured at days 1~3. RESULTS: Replacement of cysteine with tryptophan at codon 634 of exon 11 was evident in treated TT cells. There was no significant difference in cell proliferation at days 1~3 in cells treated with somatostatin, progesterone, estradiol-17-beta, gastrin and forskolin, while proliferation was inhibited in dexamethasone-treated cells in a concentration-dependent manner from 10-5~10-8 M with no inhibition evident at 10-10 M. Calcitonin levels in 10-5~10-8 M dexamethasone-treated cells were decreased. CONCLUSION: Dexamethasone is a potentially useful compound to suppress MTC cell proliferation. Further studies are necessary to explore this potential further prior to clinical use.
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- Identification of Growth Regulatory Factors in Medullary Thyroid Carcinoma Cell Line
Young Suk Jo, Minho Shong
Journal of Korean Endocrine Society.2009; 24(2): 84. CrossRef
Case Report
- A Case of Hyalinizing Trabecular Adenoma of the Thyroid Gland.
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Hyun Won Shin, Young Lyun Oh, Hye Won Jang, Ji In Lee, Sun Wook Kim, Yong Ki Min, Myung Shik Lee, Moon Kyu Lee, Kwang Won Kim, Jae Hoon Chung
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J Korean Endocr Soc. 2009;24(1):54-57. Published online March 1, 2009
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DOI: https://doi.org/10.3803/jkes.2009.24.1.54
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- Hyalinizing trabecular tumor is a rare benign thyroid tumor first described by Carney et al. in 1987. The tumor is characterized by an encapsulated nodule, trabecular arrangement of polygonal, oval, elongated cells, and hyalinized stroma. It is easily confused with papillary thyroid carcinoma or medullary thyroid carcinoma on surgical and cytologic specimens. A 45-year-old man presented with an incidentally detected left thyroid mass. Fine needle aspiration was performed and papillary thyroid carcinoma was suspected. However, the surgical specimen revealed a hyalinizing trabecular adenoma. We present this hyalinizing trabecular adenoma case to share our experience with physicians and specialists.
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- A Case of Multifocal Hyalinizing Trabecular Tumors of the Thyroid
Gland
Suhwan Jeong, Hanaro Park
Journal of Clinical Otolaryngology Head and Neck
Surgery.2021; 32(3): 308. CrossRef - A Case of Hyalinizing Trabecular Tumor of the Thyroid Gland
Kun Woo Kim, Sang Joon Lee, Phil-Sang Chung, Junghwan Moon
Korean Journal of Otorhinolaryngology-Head and Neck Surgery.2012; 55(12): 795. CrossRef
Retraction of Publication
- Retraction: Multi-country Study on the Prevalence and Clinical Features of Peripheral Arterial Disease in Type 2 Diabetic Patients Who are at High Risk for Atherosclerosis.
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Sang Youl Rhee, Seungjoon Oh, Young Kil Choi, Doo Man Kim, Bong Yun Cha, Hyun Chul Lee, Seung Woo Ha, In Kyu Lee, Tae Sun Park, Min Young Chung, In Joo Kim, Moon Kyu Lee, Sung Soo Koong, Kyung Soo Park, Kyung Wan Min, Young Seol Kim
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J Korean Endocr Soc. 2007;22(6):478. Published online December 1, 2007
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DOI: https://doi.org/10.3803/jkes.2007.22.6.478
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Case Report
- Solitary Papillary Thyroid Microcarcinoma (0.3 cm in Diameter) Presenting Multiple Distant Metastases at the Time of Diagnosis.
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Tae Hyun Kim, Jung Han Kim, Young Lyun Oh, You Cheol Hwang, Jung Hwa Jung, Hye Seung Jung, Mira Kang, Yong Ki Min, Myung Shik Lee, Moon Kyu Lee, Kwang Won Kim, Jae Hoon Chung
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J Korean Endocr Soc. 2007;22(4):287-291. Published online August 1, 2007
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DOI: https://doi.org/10.3803/jkes.2007.22.4.287
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- Papillary thyroid microcarcinoma (PTMC) is defined as being 1 cm or less in diameter. Although the prognosis of PTMC is known to be more favorable than that of papillary thyroid carcinoma greater than 1 cm in diameter, pathologic factors suggesting aggressiveness, such as multifocality and lymph node invasion, have been reported to be highly prevalent in PTMC. However, the rate of distant metastasis in patients with PTMC is very low. Many investigators have reported that initial distant metastasis was detected only in patients with PTMC greater than 0.4 cm in diameter, however these cases have involved only one organ, usually the lung. We report here on an extremely unusual case of solitary PTMC (0.3 cm in diameter) presenting multiple distant metastases at the time of diagnosis.
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- Clinico-pathologic Characteristics of the Primary Thyroid Cancer in Patients with Breast Cancer
Hyun Won Shin, Hye Won Jang, Ji Young Park, Jae Hoon Chung, Young-Ki Min, Myung-Shik Lee, Moon-Kyu Lee, Kwang-Won Kim, Sun Wook Kim
Journal of Korean Endocrine Society.2009; 24(4): 240. CrossRef
Original Articles
- ras Mutation in Korean Papillary Thyroid Carcinomas.
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Jung Hwa Jung, Keun Sook Kim, Tae Sik Jung, Young Lyun Oh, Hye Won Jang, Hye Seung Jung, Yong Ki Min, Myung Shik Lee, Moon Kyu Lee, Kwang Won Kim, Jae Hoon Chung
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J Korean Endocr Soc. 2007;22(3):203-209. Published online June 1, 2007
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DOI: https://doi.org/10.3803/jkes.2007.22.3.203
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- BACKGROUND
RET/PTC rearrangement and mutations of BRAF and ras are well-known oncogenes involved in the pathogenesis of papillary thyroid carcinoma (PTC). The prevalence of RET/PTC rearrangement and BRAF mutations were 0~13% and 66~83% in Korean patients with PTC, respectively. We evaluated the prevalence of ras mutations in surgical specimens of PTC, and we compared them with the patients' clinical features. SUBJECTS AND METHODS: We included the surgical specimens of 49 PTCs and a few follicular thyroid carcinomas (FTCs) and follicular adenomas (FAs) as positive controls. Polymerase chain reaction, single strand conformation polymorphism and direct sequence analysis were consecutively performed to detect ras mutations. RESULTS: No mutations of the ras oncogenes were detected in 49 PTCs. However, heterozygous mutations of the ras oncogenes were found in a FTC and FA as positive controls, respectively. CONCLUSION: These findings suggested that ras mutation is not or rarely related to the tumorigenesis of PTCs in Koreans. Therefore, BRAF mutations and RET/PTC rearrangement, rather than ras mutation, might contribute the development of PTC in Koreans.
- p53, p21 and bcl-2 Protein Expressions and the Clinical Significance in Papillary Thyroid Carcinoma.
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Tae Sik Jung, Keun Sook Kim, Young Lyun Oh, Jung Hwa Jung, Eun Young Lee, Hye Seung Jung, Yong Ki Min, Myung Shik Lee, Moon Kyu Lee, Kwang Won Kim, Jae Hoon Chung
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J Korean Endocr Soc. 2007;22(2):98-104. Published online April 1, 2007
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DOI: https://doi.org/10.3803/jkes.2007.22.2.98
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- BACKGROUND
There have been some investigations concerning the role of p53, p21 and bcl-2 protein expressions for the tumorigenesis of thyroid cancer. It had been debated that these protein expressions were associated with aggressive features of papillary thyroid carcinoma. We studied to evaluate the prevalence of these protein expressions and their clinical significances in papillary thyroid carcinoma. METHODS: We selected 49 patients with papillary thyroid carcinoma who had been operated on at Samsung Medical Center during the last 10 years. Immunohistochemical staining for p53, p21 and bcl-2 was done by the use of paraffin embedded tissues. We analyzed the results of immunohistochemical staining for p53, p21 and bcl-2 and the correlation with the patients' age, gender, tumor size, multifocality, tumor invasion to both lobes, extrathyroidal invasion, cervical lymph node invasion, distant metastasis and the clinical outcomes. RESULTS: Immunohistochemical staining for p53 was positive in 10 patients (20%), p21 was positive in 36 patients (73%) and bcl-2 was positive in 18 patients (37%). The p53 and bcl-2 expressions were not associated with the clinical parameters. Tumor multifocality and extrathyroidal invasion were significantly higher in the p21 positive group (both P < 0.05). CONCLUSION: This study showed that the p21 protein expression was associated with tumor multifocality and extrathyroidal invasion in the patients with papillary thyroid carcinoma. Immunohistochemical stains for p21 may be used as a parameter for tumor aggressiveness in papillary thyroid carcinoma.
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Citations
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- Clinicopathologic and Diagnostic Significance of p53 Protein Expression in Papillary Thyroid Carcinoma
Mi Kyung Shin, Jeong Won Kim
Asian Pacific Journal of Cancer Prevention.2014; 15(5): 2341. CrossRef
- Multi-country Study on the Prevalence and Clinical Features of Peripheral Arterial Disease in Type 2 Diabetic Patients Who are at High Risk for Atherosclerosis.
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Sang Youl Rhee, Seungjoon Oh, Young Kil Choi, Doo Man Kim, Bong Yun Cha, Hyun Chul Lee, Seung Woo Ha, In Kyu Lee, Tae Sun Park, Min Young Chung, In Joo Kim, Moon Kyu Lee, Sung Soo Koong, Kyung Soo Park, Kyung Wan Min, Young Seol Kim
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J Korean Endocr Soc. 2006;21(4):290-301. Published online August 1, 2006
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DOI: https://doi.org/10.3803/jkes.2006.21.4.290
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- BACKGROUND
PAD-SEARCH (Peripheral Arterial Disease-Screening and Evaluation of diabetic patients in Asian Regions Characterized by High risk factors) is the first international study to investigate the prevalence of peripheral arterial disease (PAD) in Asian type 2 diabetic patients and to demonstrate the relationships between the putative risk factors and PAD in this population. METHODS: A total of 6,625 type 2 diabetic patients (2,873 males and 3,752 females aged 50 and older) were enrolled in PAD-SEARCH in Korea, China, Taiwan, Hong Kong, Indonesia, Thailand and Philippines from October 2003 to March 2004. The Fukuda vascular profile VS-1000(TM) was used to determine the ankle-brachial index (ABI) and the brachial-ankle pulse wave velocity (baPWV). RESULTS: The mean patient age was 63.7 +/- 8.2 years and the mean duration of diabetes was 10.3 +/- 8.0 years. 1,172 (17.7%) subjects were diagnosed as PAD by the ABI (< or = 0.9). Subjects with PAD had a significantly longer duration of diabetes or hypertension, a higher HbA1c level and a significantly lower mean BMI than did the non-PAD subjects. In terms of the lipid profiles, triglyceride was the only significant variable. Notably, the mean ABI and baPWV in the females were significantly poorer than the age matched males for the in subjects with a normal ABI. However, the mean ABI and baPWV in males were significantly poorer than those of the age matched females for the subjects with PAD. On the multivariate analysis, gender, age, BMI, smoking status, duration of diabetes and a previous history of cerebrovascular disease were identified as the independent risk factors of PAD. CONCLUSION: These findings suggest that PAD is a common complication in Asian type 2 diabetic patients. Therefore, PAD screening and treatment should be emphasized for Asian diabetic patients with high risk factors.
- Analysis of the Pharmacokinetics of Recombinant Human TSH in Patients with Thyroid Papillary Carcinoma.
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Tae Sik Jung, Hye Seung Jung, Jung Hwa Jung, Yun Jae Chung, Eun Young Oh, Young Ki Min, Myung Shik Lee, Moon Kyu Lee, Kwang Won Kim, Jae Hoon Chung
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J Korean Endocr Soc. 2006;21(3):204-212. Published online June 1, 2006
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DOI: https://doi.org/10.3803/jkes.2006.21.3.204
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Abstract
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- BACKGROUND
Individual variations of the pharmacokinetics of recombinant human TSH (rhTSH) might influence the efficacy of the radioactive iodine (RAI) uptake. We studied to investigate the individual pharmacokinetics of rhTSH and the effect of the anthropometric parameters on the serum TSH levels in patients with thyroid papillary carcinoma. METHODS: We selected 16 patients with conventional rhTSH administration for the preparation of RAI administration between June 2004 and May 2005. We measured serum TSH levels at 24-hour (prior to second rhTSH injection), 48-hour (peak level, prior to RAI administration) and 96-hour (prior to scanning) after the first rhTSH injection. We analyzed the correlation of each TSH levels with age, height, weight, creatinine clearance, body mass index (BMI), and body surface area (BSA). RESULTS: Peak TSH levels were negatively correlated with weight, BMI, and BSA. Among them, weight was an independent parameter by multivariate analysis. Decrement of serum TSH levels from the peak to the level at 96-hour was negatively correlated with weight, BMI, and BSA. It was positively correlated with increment of serum TSH levels from the level at 24-hour to the peak level. Serum TSH level at 96-hour was lower than 25 mU/L in nine of 16 patients. CONCLUSION: Body weight was inversely correlated with peak TSH level after rhTSH administration. rhTSH-stimulated TSH levels might be exaggerated to unwanted levels, and very rapidly degraded in lower-weighted patients. We should make up for the rhTSH regimen considering the individual variations of its pharmacokinetics.
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Citations
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- Efficacy of Low-dose and High-dose Radioactive Iodine Ablation With rhTSH in Korean Patients With Differentiated Thyroid Carcinoma
Ji Young Joung, Ji Hun Choi, Yoon Young Cho, Na Kyung Kim, Seo Young Sohn, Sun Wook Kim, Jae Hoon Chung
American Journal of Clinical Oncology.2016; 39(4): 374. CrossRef