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조갑 전체를 덮는 드문 양상의 후천성 조갑 주위 섬유각화종 1예
류재연 ( Jae Yeon Ryu ),박철종 ( Chul Jong Park ),이경호 ( Kyung Ho Lee ) 대한피부과학회 2019 大韓皮膚科學會誌 Vol.57 No.10
Acquired periungual fibrokeratoma, first reported by Cahn in 1977, is a rare, benign fibrous tissue tumor located in the periungual area. The pathophysiology of acquired periungual fibrokeratoma is unknown. In general, trauma is often thought to be a predisposing factor. A 57-year-old woman presented with a 15-year-old asymptomatic, solitary, 1.8×1.5-cm, skin-colored mass on the Lt. thumb nail. The patient reported that they had been wounded on the nail root and the mass had since grown. For differential diagnosis and to determine the extent of the tumor, MRI of the finger was performed. Radiologic presentation showed a non-enhancing T2 low, T1 low signal mass above the nail plate. Histopathologic examination demonstrated a dome-shaped tumor consisting of thick dermal collagen bundles with increased capillaries. Through clinical, radiological, and histopathologic findings, we diagnosed the tumor as acquired periungual fibrokeratoma, and the lesion was removed through complete excision. Herein, we present a rare case of acquired fibrokeratoma covering whole thumb. The specific diagnosis was aided by MRI more through the acquisition of more accurate information about the location and signal characteristics that reflect underlying pathological features. (Korean J Dermatol 2019;57(10):617∼620)
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류재연 ( Jae Yeon Ryu ),박철종 ( Chul Jong Park ),이경호 ( Kyung Ho Lee ) 대한피부과학회 2020 大韓皮膚科學會誌 Vol.58 No.6
Lipoma is a very common benign tumor of the adipose tissue, but it occurs infrequently in the oral cavity. A 66-year-old man presented with an asymptomatic, solitary, 1×1-cm-sized yellowish mass on the lower lip, since 2 years. For differential diagnosis, skin biopsy was performed, and histopathologic examination showed features indicative of lipoma. We herein report a rare case of oral lipoma occurring on the lower lip. (Korean J Dermatol 2020;58(6):416∼418)
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장애인 당사자의 특수교육 관련 법률 제,개정 참여에 대한 의미 연구
류재연 ( Jae Yeon Ryu ) 한국특수교육문제연구소 2012 특수교육저널 : 이론과 실천 Vol.13 No.4
우리나라 특수교육의 본격적인 발달은 1977년에 제정된 「특수교육진흥법」의 제정에서 비롯된다. 「특수교육진흥법」은 특수교육에 대한 인식이 없던 시기에 특수교육에 적극적이었던 소수의 전문가들과 정부의 노력에 의한 정부 주도형 법률이다. 이후 군사정부에서 문민정부로 정권이 바뀌면서 시민의식의 성숙과 함께 1994년에는 특수교육 당사자가 법률 과정에 참여하여 「특수교육진흥법」의 전면 개정을 이루게 된다. 이후 장애 당사자 권리의 신장에 힘입어 2007년에는 「특수교육진흥법」이 폐지되고 「장애인 등에 대한 특수교육법」이 새롭게 제정된다. 이 과정에서 특수교육 전문가와 장애 당사자 간에 관련 법률 제정의 주도권 다툼에 따른 갈등이 표출되기도 하였지만, 이는 특수교육 발전에 대한 긍정적인 관심으로 해석되어져야 한다. 장애당사자의 입법 활동은 특수교육 의무교육과 무상교육의 확대, 국가 및 지방자치단체의 임무 강화, 그리고 보호자의 의무규정 신설 등과 같은 긍정적인 결과를 만들어냈다. 하지만 특수교육의 발전을 위해서는 법률 내용을 실천해야 하는 구성원들의 신뢰가 무엇보다도 중요하다. 따라서 특수교육 발전을 위하여 관련 법률의 제ㆍ개정에 참여한 조직과 구성원 모두는 신뢰형성을 위하여 함께 노력할 의무가 있다. 또한 법률 제ㆍ개정의 주도권 다툼이 긍정적인 특수교육 발전의 동인(動因)이 되도록 하기 위해서는 보다 전문적으로 특수교육 관련 법률을 연구하는 다양한 주체들의 공동 협의체를 통하여 정보를 공유할 필요성이 있다. Development of special education starts from the Special Education Promotion Law in 1997. The time when Special Education Promotion Law was established, only minor professions were interested in special education while people’s perception and knowledge were below the standard. Experts established Special Education Promotion Law by persuading government in 1977. However, the law which were only influenced by minor specialists, showed passive attitude toward government’s role. Since then, the efforts to build a law were strengthened, as awareness of the people involved in special education. Therefore, the special education laws developed gradually to reinforce the government role, free education, and compulsory education. Although there were some conflicts between government and disabled people, it brought us to have the law containing much of higher contents. In conclusion, cooperation is needed to establish a law that can be trusted, in order to bring development of special education for government and also, for disabled people.
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류재연(Ryu Jae Yeon),이준석(Yi Joon Suk) 한국통합교육학회 2019 통합교육연구 Vol.14 No.2
이 연구는 유아용 적응행동검사 표준화를 목적으로 하였다. 연구 대상은 2세에서 6세유아 2,514명이었다. 국내외 적응행동검사 및 연구문헌을 바탕으로 문항을 개발하고 교사와 관련 전문가의 자문을 거쳐 개념적 기술 33문항, 사회적 기술 49문항, 실제적 기술 43문항으로 최종 문항을 구성하였다. 문항변별도와 관련한 집단간 빈도차이의 검사를 실시한 결과는 통계적으로 유의하여 집단간 차이를 잘 변별하는 것으로 나타났다. 반분신뢰도는 .836~.979 사이에 분포하였으며, 문항내적일치도는 .823~.970 사이에 분포하였다. 하위영역별로 탐색적 요인분석을 실시한 결과, 요인 수는 1개가 적합한 것으로 나타났으나, 확인적 요인분석 결과에서는 3요인모형이 더 적합한 모형으로 나타나서 심리측정학적으로 일관성 있고 타당한 것으로 나타났다. 끝으로 검사활용시 유의할 사항에 대해서 논의하였다. The purposes of this research were to develop a adaptive behavior scale to identify overall levels of adaptive behaviors and characteristics of young children and to conduct standardization study to examine the reliability and validity of this test. The target population for the study were 2,514 children with the age distribution of 2 to 6. Through extensive literature and existing adaptive tests with feedback from teachers and experts, 3 scales were developed:(a) conceptual skills 33 items, (b) social skills 49 items, (c) practical skills 43 items. Explorations of item discrimination yielded evidence of content validity. The results of split-half reliability and internal consistency reliability demonstrates strong stability. Exploratory factor analysis of subscale variables produced one factor solution. Structural Equation Modeling was used for confirmatory factor analysis. Three factors model was more fitted than the latter. Therefore, reliability and validity of this scale are considered as satisfactory. Instructional suggestions are provided for test users.
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이석준 ( Suk Jun Lee ),전종수 ( Jong Soo Jeon ),류재연 ( Jae Yeon Ryu ),송현정 ( Hyun Jeong Song ),조윤재 ( Yoon Jae Jo ),방철환 ( Chul Hwhan Bang ),박영민 ( Young Min Park ),이지현 ( Ji Hyun Lee ) 대한피부과학회 2018 대한피부과학회지 Vol.56 No.7
Background: Acne is a chronic inflammatory disease of the pilosebaceous unit, mainly on the face. It can have various clinical manifestations and should be appropriately treated based on the severity. In Korea, the 'Korea Acne Severity Rating System (KAGS)' is a standardized index to determine the severity of acne according to specific Korean characteristics. However, the actual use of the KAGS in clinical settings has been limited. Objective: We sought to analyze whether we could effectively measure acne severity using a deep learning algorithm, which is an image learning method. Methods: Acne severity was classified into three levels of mild, moderate, and severe based on the KAGS, and learning and verification were performed using the CNN (Convolutional Neural Network), a deep learning technique. Results: GoogLeNet's Inception-v3 algorithm showed the highest accuracy at 86.7%. Conclusion: This study confirmed that the use of a deep learning algorithm may facilitate the scoring of acne severity. (Korean J Dermatol 2018;56(7):421∼425)
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