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윤성운,정진숙,김수영,이성욱,박선자 고신대학교(의대) 고신대학교 의과대학 학술지 2017 고신대학교 의과대학 학술지 Vol.32 No.2
Radiofrequency ablation (RFA), a local ablative modality, is gaining acceptance for the treatment of liver malignancies. Despite a relatively low complication rate, tumor seeding resulting from RFA in hepatocellular carcinoma (HCC) treatment can occur. A 44-year-old woman was diagnosed with HCC. Spiral computed tomography (CT) revealed a 2.3 × 2.0-cm mass in the S5 segment, which was treated with RFA on May, 2005. Follow-up imaging, performed at 6-month intervals after RFA, showed complete tumor necrosis. In October 2009, CT revealed a heterogeneous mass, 5.7 cm in diameter, in the right ovary. Since the lesion was limited to the right ovary without evidence of spread, bilateral salpingo-oophorectomy was performed. Histopathology indicated that the metastatic spread from the HCC to the ovary was positive for hepatocyte-specific antigen on immunohistochemistry. The ovary is a rare site for HCC metastasis. Moreover, needle tract implantation of HCC in the ovary is very rare.
Supreme Court Rulings on Determining the Cartel End Date
윤성운,문성호,김남우 서울대학교 아시아태평양법연구소 2015 Journal of Korean Law Vol.15 No.1
Since the very nature of cartels is to operate in ways that are undisclosed and difficult to track, it is often a matter of heated dispute in courts as to when a cartel has ended or been abandoned. Moreover, the cartel duration is a critical issue because it affects not only the level of sanctions imposed, but also the damages amount sought against the cartelists. The Korean Supreme Court has issued several important rulings regarding this matter, but there still remain areas where further guidance and clarification would be beneficial. Thus, this article explores the relevant Korean Supreme Court rulings and concludes that it is time for the highest court to further articulate the legal test for determining the ending date of a cartel in an effort to eliminate legal uncertainty and establish clearer guidance for market participants.
영유아 놀이 지원 관련 연구 동향 분석 -국내 학위논문과 학술지를 중심으로-
윤성운,성은영 한국영유아교육지원학회 2022 영유아교육지원연구 Vol.7 No.2
The purpose of this study is to explore ways to cultivate teachers' play support competences by analyzing trends in domestic play support and guidance-related research over the past 10 years. The results of analyzing a total of 67 academic journals and dissertations from 2012 to 2022 are as follows. First, when analyzing the trend of research topics on play support, studies were conducted to explore various ways to support play led by children. Second, the qualitative research was the predominant research methodology utilizing observation and interview methods. However, quantitative research methods were also conducted with the purpose of finding the perception and reality through questionnaires. Third, since the necessity of strengthening the play support capability of early childhood teachers is emerging, continuous research on the play support capability is needed. As a result, in order to cultivate the teacher's play support competency, education on play support ways for infants should be provided in the pre-service early childhood teachers training process. In addition, education on the meaning and practical method of 'play support' based on the actual play experiences of infants and children should be provided. In conclusion, it is suggested that education on various factors that can strengthen teachers' play support competences should be provided for inservice teachers.
윤성운,여창우,강진두,이혜원,김수형,김병수 대한내과학회 2015 대한내과학회 추계학술대회 Vol.2015 No.1
HIV-associated myocarditis is defined as inflammation and damage of the myocardium due to HIV infection. Its disease progression vary, as it may be asymptomatic or manifest as dilated cardiomyopathy,heart failure A 28-year-old male presented cough that persisted for 6 months and aggravating dyspnea. Chest x-ray showed cardiomegaly and pulmonary edema. Laboratory tests revealed CK-MB 0.6 ug/L, Troponin I 0.21 ng/mL, and proBNP of 11,072 pg/mL. Echocardiography showed findings of dilated cardiomyopathy with dilated atrium, ventricles and severe left ventricular systolic dysfunction. Chest CT showed multiple ground-glass opacities. Anti-HIV Ab (ELISA) was performed, considering pneumocystis pneumonia associated with AIDS. ELISA and Western blot results were positive, HIV RNA was 122,000 copies/mL, CD4+ lymphocytes were 27 cells/mL. The patient was diagnosed as dilated cardiomyopathy due to HIV-associated myocarditis. He afterwards complained of decreased visual acuity and was diagnosed as cytomegalovirus (CMV) retinitis.