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Eun Mee Oh<SUP>1<,SUP>,Yoo Seung Chung<SUP>1<,SUP>,Won Jong Song<SUP>1<,SUP>,Yeun Sun Kim<SUP>2<,SUP>,Young Don Lee<SUP>1<,SUP> 대한갑상선-내분비외과학회 2013 The Koreran journal of Endocrine Surgery Vol.13 No.3
Purpose: Neck ultrasonography (NUS) is one of the most commonly used methods for evaluating thyroid nodules and preoperative higher TSH levels are known to be associated with differentiated thyroid cancers. This study was conducted to assess whether serum TSH levels and neck ultrasonography are of value in predicting malignancy in patients with atypia of undetermined significance/follicular lesions of undetermined significance (AUS). Methods: A total of 62 patients (7 men, 55 women; mean age 48.4±11.9 years) who had indeterminate cytologic results indicating AUS underwent thyroidectomy. Preoperative clinical data including serum TSH and the findings of NUS were analyzed retrospectively between malignant and non-malignant groups. Results: The final pathologic results of malignancy were reported in 53 of 62 (85.5%) patients with AUS. There was no significant difference in the mean value of preoperative serum TSH between malignant and non-malignant groups (1.5±1.3 vs. 1.9±1.2, P=NS). In NUS, the patients diagnosed with malignancy in histology showed a higher proportion of calcification, taller-than-wide shape, hypoechoic texture and irregular margin (58.5% vs. 22.2%, P=0.044; 34% vs. 0%, P=0.038; 98.1% vs. 44.4%, P<0.01; 47.2% vs. 0%, P= 0.008). Conclusion: Serum TSH was not related to malignancy in thyroid nodules showing AUS. However, ultrasonographic features including calcifications, taller-than-wide shape, hypoechoic pattern and irregular margin could be used to predict malignancy. Ultra-sonography should be the first useful methods when making decisions regarding mana-gement of thyroid nodules showing indeterminate cytologic results as AUS.
Eun-Jeong Jeon,Byeong-Hoon Kim,Chi-Hoon Lee1,Young-Don Lee 제주대학교 해양과학연구소 2020 해양과환경연구소 연구논문집 Vol.44 No.-
Growth of fish is controlled by various environmental factors, including water temperature (WT). WT is also a major factor that affects the eating behavior of fish. In this study, we studied the relationship between WT and expression profiles of factors involved in appetite regulation and digestion in red spotted grouper. Fish were divided into three groups with 30 fish per group and reared for 2 weeks in a recirculating system at three different WT (natural WT, 20 °C, and 25 °C). After 2 weeks, they were sacrificed immediately after food intake (+ 0 h), 3 h after (+ 3 h), 6 h after (+ 6 h), and 3 h before being fed the next day (− 3 h). Fish samples were obtained for analysis of mRNA expression levels of cholecystokinin (CCK), leptin A (LepA), leptin B (LepB), and neuropeptide Y (NPY) in the brain, liver, and intestine. Expression of CCK and NPY mRNA was significantly higher at 25 °C compared to that at natural WT and 20 °C, but no difference was observed for leptin. This suggests that the red spotted grouper shows characteristics typical of subtropical fish and has higher levels of feeding and digestion when reared at 25 °C water temperature condition.
Cystic Medullary Thyroid Carcinoma: A Case of Undergoing Endoscopic Thyroid Lobectomy
Dong Hae Chung,Jae Yeon Seok,Yoo Seung Chung1,Eun Mee Oh1,Jung Won Ryu1,Young Don Lee1 대한갑상선-내분비외과학회 2015 The Koreran journal of Endocrine Surgery Vol.15 No.1
On ultrasonography, medullary thyroid carcinoma (MTC) shows hypoechogenicity, an irregular margin, a predominantly solid composition, and microcalcifications, similar to those observed in papillary thyroid carcinoma (PTC). MTC presenting as a cystic lesion is rare, and endoscopic thyroidectomy can be performed for benign thyroid masses and early stage PTC, however it is inappropriate for MTC regardless of cystic change. The authors report a case of cystic MTC found after endoscopic thyroid lobectomy and provide a review of the literature on this topic.