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우주연 ( Ju Yun Woo ),이상우 ( Sang Woo Lee ),변지연 ( Ji Yeon Byun ),최유원 ( You Won Choi ),오지원 ( Chee Won Oh ),최혜영 ( Hae Young Choi ) 대한피부과학회 2015 대한피부과학회지 Vol.53 No.2
Eruptive collagenoma is a rare acquired type of connective tissue nevus that predominantly consists of collagen. It usually presents as multiple, asymptomatic, firm, flesh-colored or pink nodules or plaques that are symmetrically distributed over the trunk and upper extremities. Four cases of eruptive collagenoma in linear or zosteriform arrangements have been reported in the English literature. A 16-year-old boy presented with multiple asymptomatic erythematous papules and nodules on the left side of his sternal margin and the posterior side of his left neck. A punch biopsy taken from one of the nodules on the chest showed thickened collagen fibers in the dermis. Masson-Trichrome staining revealed an increase in the collagen fibers, which were broad and arranged haphazardly, and the elastic staining indicated a reduction in the elastic fibers in the dermis, which are findings that are consistent with collagenoma. We report a case of eruptive collagenoma that presented in a linear arrangement, which is a rare distribution pattern for connective tissue nevi. (Korean J Dermatol 2015;53(2):148∼151)
지자기 폭풍 연구를 위한 20~400 keV 대역의 플라즈마 입자 검출기
서용명(Yongmyung Seo),윤세영(Seyoung Yoon),우주(Ju Woo),설우형(Woohyung Seol),이채안(Chaean Lee),이찬행(Chanhaeng Lee),선종호(Jongho Seon),손종대(Jongdae Sohn),민경욱(Kyoungwook Min),강경인(Kyungin Kang),신구환(Goohwan Shin),채장수(Jan 한국항공우주학회 2016 한국항공우주학회 학술발표회 논문집 Vol.2016 No.4
경희대학교가 제작한 중에너지 입자 검출기(Medium Energy Particle Detector, MEPD)는 우주폭풍 연구에 필요한 물리량 획득을 위한 과학 탑재체(Instrument for the Study of Space Strom, ISSS)중 20~400 keV 대역의 전자, 양성자 및 중성 입자를 6.25 keV 와 1 sec ~ 10 msec의 에너지 및 시간 분해능으로 검출한다. 본 검출기는 지자기 폭풍 발생 시 급격히 증가하는 대전 입자들을 정전 편향기(electrostatic deflector)와 감쇄기가 적용된 망원경 2대의 수직 배치를 통하여, 데이터 오염과 전장부 포화를 방지하고 예상되는pitch angle에 따라 입자의 종류 및 에너지를 구분 검출 하도록 제작 되었다. 해당 탑재체의 위성 본체는 한국과학기술원 인공위성연구센터가 개발 중인 차세대 소형위성 1호 (Next Generation Small Satellite-1, NEXTSat-1) 이며, 2017년 발사 예정이다. Measurement of energies and fluxes for the charged particles and neutral is required for research of space storms. The measurement requires a careful calibration of the instrument to detect significantly varying fluxes of those particles relative to the occurrence of geomagnetic storms without saturation or loss of information on the mission orbit. The Medium Energy Particle Detector (MEPD) will have an energy range from 20~400 keV and resolution 6.25 keV with orthogonal field-of-views of two telescopes for the detection of charged particles in terms of different pitch angles. The MEPD is one of a subset instrument within the Instrument for the Study of Space Strom (ISSS) which contains both space radiation detectors and space plasma instruments. The ISSS is developed to measure space storms in low altitude polar orbits and will be aboard the Next Generation Small Satellite-1 (NEXTSat-1) scheduled for launch in 2017.
델파이(Delphi)기법과 계층분석모형(AHP)으로 본 스포츠계 유리천장 분석과 전략방안
우주연(Woo, Ju-Youn) 한국체육과학회 2022 한국체육과학회지 Vol.31 No.5
The Economist published the Glass Ceiling Index of OECD member countries in 2021. Unfortunately, Korea has been at the bottom of the list from 2013 to 2022. This ratio of gender employment in Korea is also appearing in the sports field. Therefore, the purpose of this researcher is to analyze the glass ceiling of the sports world and derive strategies to overcome it in the future. For this purpose, Delphi technique and AHP were used for field experts who had more than 10 years of professional athlete experience in the past and more than 10 years of experience in the sports field after retirement. For the analysis of the questionnaire, SPSS 23.0 program and Expert Choice 2000 program were used. The research results showed that the top four factors were administrative and financial support, respect for diversity, improvement of customary discrimination, and support for educational programs in order. The results of sub-categorization were ‘legalization of the male to female ratio in the hiring of senior positions’ in ‘Administrative and financial support’, ‘Preparing a generational change plan’ of ‘respect for diversity’, ‘Improving the perception of women’s work ability’ of ‘Improving customary discrimination’, ‘Development of a system for nurturing female leaders’ of ‘Educational Program Support’ each was identified as a priority. In conclusion, first, it is necessary to stipulate specific conditions related to recruitment so that anyone can be hired without being marginalized. Second, among the subcategorization of respect for diversity, the necessity of generational change was selected as the highest priority, and the reason can be said to be due to the double suffering of exclusion from the previous generation and exclusion as women. Third, they said that the process of public discussion was important to improve awareness, and Finally, they wanted a substantial educational program.
우주현(Ju-Hyun Woo),최금자(Kum-Ja Choi) 대한외과학회 2010 Annals of Surgical Treatment and Research(ASRT) Vol.78 No.3
Purpose: A precise and simple tool for diagnosis and the growing public interest in health caused infantile hypertrophic pyloric stenosis (IHPS) to be diagnosed in good time. The approach to pyloromyotomy as the standard treatment is undergoing changes. We compared 2000’s IHPS patients with 1980’s to identify the clinical features and management. Methods: We analyzed, retrospectively, the clinical findings, diagnoses, and treatment of 68 patients with IHPS who underwent pyloromyotomy at Ewha Womans University Medical Center from January 2000 to December 2008 (2000’s group), and compared the results with that of 42 patients in the 1980’s (1980’s group). Results: There were no significant differences in age, gender, birth rank, seasonal distribution, and symptoms between both groups, but the number of patients with metabolic changes and palpable ‘olive’ was significantly lesser in the 2000’s group. Upper gastrointestinal series (UGI) was the most common imaging tool in the 1980’s (71.4%) but USG has become the standard diagnostic tool in the 2000’s (88.2%). All patients received open pyloromyotomy using traditional incision in the 1980’s, and supraumbilical semicircular incision in 36.8% of patients in the 2000’s. The average length of hospital stay after operation was significantly shorter in the 2000’s group. In the 2000’s, the mean preoperative stay at hospital was 4.4±4.3 days. Twenty-nine (42.0%) patients did not vomit postoperatively and postoperative vomiting did not delay discharges of any patients. Conclusion: There were significant improvements in diagnosis and treatment in the 2000’s. We suggest that the surgeon, without the need for a radiologist perform USG for IHPS in order to shorten the preoperative hospital stay.
우주연(Woo, Ju-Yeon),강현욱(Kang, Hyun-Wook) 한국체육과학회 2016 한국체육과학회지 Vol.25 No.5
The purpose of this study is to analyze the means to cope with the conflicts and stress that female golf instructors are facing in the process of socializing the status of female golf instructors. The study aims to understand the type and reasons of their stress, conflict and furthermore, suggest a way to effectively react to these problems. The reason behind this is because this approach can relieve the problems in advance or enable them to sensibly react to these issues as they proceed with their career as an instructor. It will also contribute to the career development of female instructors because the objective of this study is to propose an individual and social solution to better this issue because women are likely to be discriminated and it is necessary to comprehend the reason behind this phenomenon. The study was based on a phenomenological analysis within the qualitative research. Phenomenology focuses on identifying the meaning of a phenomenon through the participant’s experience and is widely used to analyze experience.
급성 충수염이 의심되는 소아환자에서 응급 충수절제수술이 최선인가?
우주현(Ju-Hyun Woo),최금자(Kum-Ja Choi) 대한외과학회 2011 Annals of Surgical Treatment and Research(ASRT) Vol.80 No.3
Purpose: The emerging studies have suggested steadily negative appendectomy rates. The purpose of this study is to verify that short-term observation under conservative management helps surgeons avoid unnecessary surgery without poor progress in pediatric patients with presumed acute appendicitis. Methods: We reviewed 650 medical records of pediatric patients aged 12 years and younger with presumed acute appendicitis at Ewha Womans University Medical Center between January 2005 and December 2009. We then compared 283 ‘appendectomy group (AG)’ including 229 suppurative appendicitis (SA) and 54 normal appendix or mild appendicitis (MA), pathologically, with 96 ‘conservative treatment group (CG)’ who were diagnosed with mesenteric lymphadenopathy associated with early appendicitis or normal appendix in radiologic study and effectively treated with conservative management. Results: There was no significant difference in gender and age distribution between SA and MA groups, but the mean age of CG was younger than MA group (P=0.000). The main clinical findings between SA, MA and CG were similar but the mean duration of symptom was longest in CG. ‘Delayed’ and ‘night-time’ surgery was frequent in MA (P=0.006, P=0.027). Thirteen patients(4.6%) developed complications in AG without significant difference between SA and MA. The mean hospital stay was significantly shorter in CG than MA (P=0.000) without significant difference between SA and MA. The medical cost of CG was much cheaper than AG (P=0.000). No patient in CG needed appendectomy for the follow-up period. Conclusion: The authors suggested that short-term watchful waiting for presumed appendicitis in pediatric patients under conservative treatment could reduce unnecessary appendectomy, complications and cost.