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간세포암과 하대정맥 막성폐쇄의 치료 후 호전된 백혈구파괴혈관염 1예
이준엽 ( Jun Yeob Lee1 ),이주원 ( Ju Won Lee1 ),이진욱 ( Jin Wook Lee ),박현준 ( Hyun Joon Park ),장국환 ( Gook Hwan Jang ),김다정 ( Da Jung Kim ),김선민 ( Sun Min Kim ),한병훈 ( Byung Hoon Han ),정규식 ( Gyoo Sik Jung ),김근태 ( 대한류마티스학회 2015 대한류마티스학회지 Vol.22 No.5
저자들은 하지 자색반과 고환 통증으로 내원한 알코올성 간경화증 환자에서 LCV의 원인 감별하는 과정에서 HCC와 하대정맥 막성폐쇄를 진단하고 이에 대한 치료 후 LCV의 호전된 증례를 경험하였기에 문헌고찰과 함께 보고하는 바이다. Vasculitis is a heterogeneous group of diseases that destroy blood vessel walls by inflammation. Approximately half of vasculitis cases are idiopathic, but sometimes associated with genetic factors, medicines, chronic infection, autoimmune diseases, and malignancies. Although the mechanism remains unclear, vasculitis secondary to malignancy, also known as paraneoplastic vasculitis, has been reported. It is generally associated with hematologic malignancies rather than solid malignancies and commonly presents as leukocytoclastic vasculitis or polyarteritis nodosa. We experienced a case of leukocytoclastic vasculitis in a patient with hepatocellular carcinoma and membranous obstruction of the inferior vena cava. Here, we report this case with a brief review of literature. (J Rheum Dis 2015;22:322-326)
( Myeong Jun Song ),( Jung Hyun Kwon ),( Soon Woo Nam ),( Tae Hee Lee ),( Young Woo Kang ),( Ji Woong Jang ),( Seok Hyun Kim ),( Byung Seok Lee5 ),( Sea Hwan Lee ),( Hong Soo Kim ),( Ji Hoon Kim ),( S 대한간학회 2017 춘·추계 학술대회 (KASL) Vol.2017 No.1
Aims: We aimed to evaluate the efficacy and safety of Daclatasvir (DAV) and Asunaprevir (ASV) in patients with chronic hepatitis C virus (HCV) and chronic renal failure (CRF). Methods: 22 chronic hemodialysis patients with HCV infection at 12 medical centers have prospectively enrolled from Feb, 2016 to Feb, 2017 (NCT02580474). Of those, 9 patients who were followed 12 weeks after treatment ended were included. We evaluated the virological responses at each week 4, 12, 24 and the 12-week sustained virologic response (SVR12). The tolerability and safety of patients were also evaluated. Results: Of these 20 patients, there had no resistance-associated variant of NS5A (NS5A RAVs) and 2 patients showed indeterminate NS5A RAVs. 12 patients (54.5%) completed the 24 weeks treatment of DAV and ASV. 6 patients (27.2%) have continued, but 4 patients discontinued study prior to 12 weeks. Overall, all patients (n=9) achieved SVR12. Virologic response at week 4, 12 and 24 showed 94.4% (17/18), 93.3% (14/15), and 100% (12/12) respectively. DCV and ASV were well tolerated among the majority of patients and discontinuation of the treatment due to adverse events (hypertension, bradycardia, leukemia) was occurred in 3 patients. In two patients with indeterminate NS5A RAVs, one achieved SVR12 but the other showed viral breakthrough and discontinued treatment. Conclusions: In this study, DAV and ASV combination therapy for chronic hemodialysis patients with HCV infection achieved high sustained virological response with few adverse events. Close monitoring of safety and tolerability may be necessary when treating chronic hepatitis C patients with CRF receiving DCV and ASV.
자동차차체 및 부품제조업 산업장의 작업환경실태에 관한 조사 연구
서준호,문덕환,김정호,이채관,황용식,손병철,김대환,이창희,김휘동,이채언 인제대학교 백병원 2002 仁濟醫學 Vol.23 No.5
Objectives: For the purpose of preparing the fundamental data and control the working environment and assessing the status of working environmental in manufacturing industry of bodies for motor car and of parts. Methods and Materials: Accessories for motor car and its engines the auther measured the noise level, concentration of dust, heavymetals, organic solvents, chemicals to 99 industries(24 working processes) form Feb. 2000 to Oec. 2000. Results: The results were as follows : 1. Mean noise level cutting, grinding, pressing, foundries and shot-blast was exceeded to threshold limit value(TLV) of noise. 2. Mean concentration of total dust was not exceeded to TLV. 3. Mean concentration of Mn in welding process and Pb in drying, welding, fabricating, rolling was exceeded to TLV. 4. Mean concentration for chemicals and organic solvents were not exceeded to TLV. 5. Mean concentration of dust and heavymetals were statistical significant difference between with local ventilation system and without local ventilation system. Conclusion: Above results, author suggest to prepare more passively control to working environment where exceeded the TLV.
Sarcomatoid Carcinoma Arising from Mature Cystic Teratoma
Ho-Chang Lee1, Seung-Myoung Son, Yong-Moon Lee, Ji Hae Koo, Song-Yi Choi, Ok-Jun Lee, Eun-Hwan Jeong 충북대학교 동물의학연구소 2012 Journal of Biomedical and Translational Research Vol.13 No.2
Malignant transformation of mature cystic teratoma (MCT) is rare. Sarcomatoid carcinoma is a neoplasm comprising malignant mesenchymal cells and a conventional carcinomatous area. Here, we report on a case of sarcomatoid carcinoma arising from an MCT in the left ovary of a 45-year-old female. A unilocular cyst consistent with MCT was observed; however, a nodule within the cyst was confirmed from the resected ovary. Microscopically, the nodule showed both squamous cell carcinoma and pleomorphic sarcomatous components admixing with each other. Lining epithelial cells at the periphery of the main tumor showed squamous metaplasia. When a sarcomatous component is observed in the ovary tumor, it is important to find a squamous cell component, either benign or malignant.
An Investigation on the Life of Master Won Guk Lee, the Creator of Chung-Do-Kwan
( Seon Young Jung ),( Jun Ho Lee ),( Seung Woo Shin ),( Chun Hwan Cho ),( Seung Hyun Jang ),( Won Shin ) 경남대학교 기초과학연구소 2014 기초과학지 Vol.31 No.-
The purpose of this study is to review (or, investigate) the life of Won Guk Lee. He is the creator of Chung-Do-Kwan, which is one of the five original Taekwondo kwans. Data was gathered from advanced research, newspapers, documentaries, the Internet, magazines, and journals etc. Thus, we were able to create a sequence of events based on the research data. First, we can say that in Won Guk Lee``s career, he created Chung-Do-Kwan and brought Dangsoodo to Korea. These events have had a significant development on Taekwondo. Second, Taekwondo curriculum, which was published by Won Guk Lee, established the foundation of Taekwondo poomsae, as well as giving us the pure spirit of Korean martial arts.
Sn-3.5wt%Ag 무연솔더를 이용한 μBGA 솔더접합부의 열피로수명 예측
이준환,하범용,신영의 중앙대학교 기술과학연구소 2000 기술과학연구소 논문집 Vol.30 No.-
본 연구에서는 μBGA와 Pb-free 솔더에 대한 수명평가방법을 제시하기 위하여 μBGA에 대하여 37wt%Pb-Sn 공정 솔더와 Sn-3.5wt%Ag 솔더를 채택한 3차원 유한요소해석모델을 구성해 보았다. 점탄소성거동에 대비하여 구성되어진 각각의 모델 중, 먼저 일반적인 솔더 형상을 가진 모델에 대하여 솔더 재질별로 온도범위 -40∼120℃, -20∼100℃, 20∼100℃의 세 가지 열사이클을 3회씩 가하여 솔더 접합부 계면에 집중되어진 응력과 변형율의 분포를 유한요소해석을 통해 살펴보았다. 또한 온도 변화에 따른 ΔT와 용융온도 T_M등의 변수를 이용하여 얻어진 γ를 이용하여 열피로수명식을 유도하였다. This study discusses thermal fatigue prediction of μBGA(Micro Ball Array) solder joint. Analysis method is used to three-dimensional finite element analysis with various solder alloys such as Sn-37wt%Pb, Sn-3.5wt%Ag under temperature cycling. Strain values, along with the result of solder material fatigue tests, were then used to predict the solder joint fatigue life with Coffin-Manson equation. As a result, it could be found that Sn-3.5wt%Ag has longer fatigue life than Sn-37wt%Pb in Low cycle fatigue. And using the analysis result, derive modified Coffin-Manson equation with temperature dependent factor γ.
주요우울증에서 우울과 불안 증상의 심각도에 따른 뇌파 A1,A2, Percent 비대칭 지표들의 특성 연구
이준석,양병환,오동열,김기성 大韓神經精神醫學會 2007 신경정신의학 Vol.46 No.2
Objectives : In this study we investigated characteristics of asymmetry pattern of EEG in patients with major depressive disor-der according to the severity of depression and anxiety symptoms, employing A1, A2, and Percent (PCT) asymmetry indices. Methods : Subjects involved in this study were 11 healthy controls and 11 patients with major depressive disorder who have taken no medicines for four weeks just before the study. These subjects were selected so that the two groups can have no difference in gender and age. Beck Depression Inventory (BDI), 17-item Hamilton Depression Rating Scale (HDRS), Zung's Self-Rating Depression Scale (SDS) and Spielberger's State-Trait Anxiety Inventory (STAI) were used to evaluate depression and anxiety symptoms, respectively. Resting EEG was recorded &om F3, F4, C3, C4, T7, T8, 01 and 02 electrode sites. Results : The temporal region showed a difference in A1, A2, and PCT asymmetry indices between the depression group and the control group. Frontal (F3, F4) and temporal (T7, T8) regions showed correlation between STAI-T score and A1, A2, and PCT asymmetry indices. Conclusion : The results of this study showed that EEG A1, A2, and PCT asymmetry indices can be used as useful indices for depression. Also, it was found that trait anxiety had influence on A1, A2, and PCT asymmetry indices.