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Diffuse-Type Tenosynovial Giant Cell Tumor of the Tendon Sheath in Both Wrists
허선아,박선영,서진원,고성혜,이인재 대한영상의학회 2021 대한영상의학회지 Vol.82 No.1
Diffuse-type tenosynovial giant cell tumor (D-TSGCT), previously known as pigmented villonodular synovitis, is a locally aggressive neoplasm that may arise from the synovium, bursa, or tendon sheath. D-TSGCT is usually monoarticular and can be classified into intra- and extra-articular forms, the latter of which is rarer. Here, we report a case of D-TSGCT in a 64-year-old female that involved the entire flexor and extensor tendon sheaths of both wrists. We describe the ultrasonography and MRI findings, as well as review the relevant literature.
허선아,전은주 한국화법학회 2023 화법연구 Vol.- No.59
To achieve the goal of enhancing communication skills in speech education, it is important to provide an opportunity to perform actual discourse. However, in the actual school field, the opportunity to perform is limited owing to time and physical limitations. The use of metaverse was proposed to provide learners with an actual discourse performance experience while overcoming the limitations of the classroom. To this end, metaverse platforms, such as Gather.town, Roblox, ifland, ZEPETO, and ZEP, which are currently widely used in education, were classified according to the communication method: the characteristics of each platform were examined, and the educational utility of metaverse use was discussed. The metaverse space for teaching and learning conversation was envisioned in three ways: “lecture space,” “group space,” and “open space,” and the characteristics of each space and functions that can be used within the space were explained. Based on this spatial composition, we presented a four-step learning procedure of planning, preparing for discourse performance, discourse performance, and evaluation. A teaching and learning model that summarizes the main activities at each stage was developed, and applied to the discussion unit.
허선아,김은수,이열 대한영상의학회 2020 대한영상의학회지 Vol.81 No.5
Reversible cerebral vasoconstriction syndrome (RCVS) is a clinical and radiological syndrome with primary features that include hyperacute onset of severe headache and segmental vasoconstriction of the cerebral arteries, which resolve within 3 months. Vessel wall enhancement has been reported in some cases of RCVS; however, its pathophysiological and diagnostic implications remain unclear. We review a case of RCVS in a patient with transient vessel wall enhancement on contrast-enhanced fluid-attenuated inversion recovery images, focusing on the pathophysiological and diagnostic implications.
허선 대한비뇨의학회 2013 Investigative and Clinical Urology Vol.54 No.4
The Korean Journal of Urology began to be published exclusively in English in 2010and is indexed in PubMed Central/PubMed. This study analyzed a variety of citation indicators of the Korean Journal of Urology before and after 2010 to clarify the present position of the journal among the urology category journals. The impact factor, SCImago Journal Rank (SJR), impact index, Z-impact factor (ZIF, impact factor excluding self-citation),and Hirsch Index (H-index) were referenced or calculated from Web of Science,Scopus, SCImago Journal & Country Ranking, Korean Medical Citation Index (KoMCI), KoreaMed Synapse, and Google Scholar. Both the impact factor and the total citations rose rapidly beginning in 2011. The 2012 impact factor corresponded to the upper 84.9% in the nephrology-urology category, whereas the 2011 SJR was in the upper 58.5%. The ZIF in KoMCI was one fifth of the impact factor because there are only two other urology journals in KoMCI. Up to 2009, more than half of the citations in the Web of Science were from Korean researchers, but from 2010 to 2012, more than 85% of the citations were from international researchers. The H-indexes from Web of Science,Scopus, KoMCI, KoreaMed Synapse, and Google Scholar were 8, 10, 12, 9, and 18,respectively. The strategy of the language change in 2010 was successful from the perspective of citation indicators. The values of the citation indicators will continue to increase rapidly and consistently as the research achievement of authors of the Korean Journal of Urology increases.
허선 한국질서경제학회 2001 질서경제저널 Vol.4 No.2
공정위의 정책적 노력에도 불구하고 공정거래법 위반건수는 매년 늘어나고 있다. 그 근본적인 이유는 우리사회에 경쟁문화(competition culture)가 조성·정착되지 않고 있는 점을 지적할 수 있다. 어떠한 정책이든지 관련된 문화가 밑받침되지 않을 경우에는 목표를 제대로 달성할 수 없기 때문이다. 특히, 경쟁정책은 서구에서 태동하여 개인주의·합리주의를 바탕으로 하고 있는데 반해, 우리나라의 경우 농업사회적 전통에 기반을 둔 집단주의적 가치관이 잔존하고 있다는 점이 감안되어야 할 것이다. 경쟁문화를 체계적으로 조성·정착시키기 위해서는, 모럴해저드의 방지·기업윤리의 정착 등 경제주체의 의식선진화, 대·중소기업에 대한 자율준수문화 확산방안, 반경쟁행위에 대한 민간의 감시역량 강화, 정부부처내 경쟁원리 확산방안 등이 체계적으로 추진되어야 할 것이다.