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유수은,주강,송소향,김치홍,Yu, Su-Eun,Joo, Kang,Song, So-Hyang,KIim, Chi-Hong 대한기관식도과학회 2002 大韓氣管食道科學會誌 Vol.8 No.2
Actinomycosis is a chronic infectious disease, which is produced by Gram-positive anaerobic organisms, actinomycetes, normally inhabit in the mouth, bowel and female genital tract. Primary endobronchial actinomycosis is relatively rare infection and can be misdiagnosed as endobronchial tuberculosis or malignancies. We experienced a case of primary endobronchial actinomycosis in a 49-year-old man presented with fifteen-days history of hemoptysis and cough. He had a past history of extraction of teeth because of dental caries six months ago. Chest X-ray showed irregular consolidation ad bronchoscopic findings revealed nearly obstruction by tumor mass with active bleeding in RLL. Pathologic finding of the bronchial mass showed sulfur granule with granulation tissue formation. Intravenous administration of penicillin G followed by oral ampicillin therapy for 6 months resulted in marked improvement in symptoms and chest X-ray findings. We report this case with review of literature.
신이식 환자에서 발생한 결핵에 의한 혈구탐식 증후군 (Hemophagocytic Syndrome)
유수은 ( Su Eun Yu ),김형욱 ( Hyung Wook Kim ),신영신 ( Young Shin Shin ),김혜수 ( Hye Soo Kim ),이종민 ( Jong Min Lee ),김희정 ( Hee Jung Kim ),김석영 ( Suk Young Kim ),방병기 ( Byung Kee Bang ) 대한신장학회 2002 Kidney Research and Clinical Practice Vol.21 No.6
Hemophagocytic syndrome is a rare syndrome characterized by fever, weight loss, profound pancytopenia, lymphadenopathy, hepatosplenomegaly and the pathologic finding of hemophagocytosis (phagocytosis by macrophages of erythrocytes, leukocytes, platelets, and their precursors) in bone marrow and other tissue. This syndrome can be associated with viral infections and lymphoid neoplasia, bacteria, fungus and drugs. Hyperproduction of cytokines, including interferon-γ, tumor necrosis factor-α, may play a role in the pathogenesis of hemophagocytosis. Authors experienced a rare case of bemophagocytic syndrome associated with tuberculosis in a 40-year-old female who had undergone renal transplantation 12 years ago and received triple immunotherapy. After the beginning of antituberculosis therapy, the laboratory disturbances disappeared and clinical symptoms improved. Tuberculosis is a common infection in Korea. Therefore, we would like to recommend early bone marrow biopsy and antituberculosis therapy if fever of unknown origin, hepatosplenomegaly and pancytopenia in immunosupressive patients.
이성구,유진영,김정아,최윤석,유수은,임현미,안유배,강진형 대한내과학회 2001 대한내과학회지 Vol.61 No.2
Adrenal gland is an uncommon primary site in non-Hodgkin's malignant lymphoma and reports of primary bilateral adrenal lymphoma with its functional impairment are extremely rare. Only 15 cases were reported during past 50 years, and 11 of them expired within 6 months after diagnosis. A woman came to emergency room with lethargy, abdominal pain and diarrhea. Bilateral adrenal enlargement was found on a previous abdominal sonogram. Under the impression of acute adrenal insufficiency, intravenous hydrocortisone and vigorous saline infusion were given immediately. Later, the endocrine function tests revealed primary hypoadrenalism. The 1st CHOP chemotherapy was administered after tissue diagnosis. This report describes the clinical, radiologic, and pathologic findings in a 58-year-old woman with adrenal insufficiency due to primary bilateral adrenal lymphoma with the review of previous literatures.(Korean J Med 61:184-189, 2001)
국제경제 ; 시계열 자료의 관찰빈도 및 기간이 VAR 분석결과에 미치는 영향 차이 검증 -한국 환율과 주가를 중심으로-
황윤섭 ( Yun Seop Hwang ),유승직 ( Seung Jik Yoo ),김수은 ( Soo Eun Kim ) 국제지역학회 2009 국제지역연구 Vol.13 No.1
거시경제변수들 간의 영향관계에 대한 논의는 매우 중요한 연구주제로 자리잡고 있다. 자본자유화와 관련하여 가장 많이 논의되는 경제변수들은 환율과 주가이며, 이 두 변수들은 상호영향관계를 가지는 것으로 파악되고 있다. 그러나 변수의 관찰빈도와 관찰기간에 따라 그 결과는 다르게 나타나고 있다. 본 연구의 목적은 관찰빈도와 관찰기간에 따라 변수의 영향관계가 달라지는 것으로 나타날 경우 기존 연구들이 제시하고 있는 분석 결과의 불일치에 대한 원인을 설명함과 동시에 신뢰성 있는 연구결과의 제시 방법을 논의하는 것이다. 본 연구에서도 관찰빈도와 관찰기간을 달리했을 때, 환율과 주가에 대한 VAR분석 결과가 다르게 나타남을 볼 수 있었다. 따라서 환율과 주가에 관한 연구를 수행함에 있어서 보다 신뢰성있는 연구결과를 도출하기 위한 적절한 관찰빈도와 관찰기간의 적정수준을 제시하기 위하여 몬테칼로 시뮬레이션을 이용하였다. 몬테칼로 시뮬레이션 결과 추정된 각 계수값의 95% 신뢰구간에 실제 VAR모형 분석과정에서 도출된 계수값이 포함될 비율은 관찰 빈도가 높을수록(예를 들어 일별 혹은 주별), 관찰 기간에 있어서 짧은 기간보다 보다 더 긴 기간을 적용할 때 더 설명력이 높다는 기존의 연구결과를 지지하는 것으로 나타났다. The discussion of the relationship between macro-economic variables is very important research topic. the most economic variables discussed in connection with the liberalization of capital is the exchange rate and stock prices and these two variables have a relationship of mutual influence are identified. However, the results on the time frequency and the time span of a variable appear differently. Therefore, the purpose of this research describes a cause that the result of prior research varied and presents more reliable research methodology. In this research, when the time frequency and span varied, the VAR analysis of the exchange rate and stock prices appeared differently. So, we use the Monte Carlo simulation method in order to performing our purpose. Our research supports the existing research said the ratio that each coefficient VAR model contained 95% confidence interval of estimated coefficient in Monte Carlo simulation is higher when it is applied more the long term and frequent observation.
이상훈,김진일,박선미,이광민,박영민,정규원,배시현,방춘상,선희식,장은덕,유수은,박두호,김동빈,성용직 대한간학회 1999 Clinical and Molecular Hepatology(대한간학회지) Vol.5 No.3
Hepatocellular carcinoma (HCC) is one of the most common fatal malignancies worldwide, especially in Korea. The recent advances in diagnostic techniques, such as serum tumor marker assay, ultrasonography, computerized tomography (CT), magnetic resonance imaging (MRI), and angiography, allow us to detect HCC at early stage. Even though, it remains difficult to distinguish malignant nodules from benign space-occupying lesions of liver. Distinction of HCC from benign entities such as liver abscess is important because failure of prompt diagnosis could result in a missed opportunity for curative treatment. The differential diagnosis of HCC and liver abscess, especially HCC presenting as abscess, is sometimes very difficult. We report a case of HCC with liver abscess caused by secondary infection of CBD stone and cholangitis, that mimicked the dynamic CT findings of liver abscess, in an elderly patient with chronic hepatitis C virus infection. (Korean J Hepatol 1999;5:253-258)
Pneumobilia 가 동반된 간세포암종에서 간동맥 화학색전술 후 비암성 간 내에 발생한 간농양 1 예
김영철,이성구,박영민,이소영,김용균,정규원,배시현,김부성,정연주,선희식,유수은,박두호,변병훈,최종영,신제현,홍창균 대한간학회 2001 Clinical and Molecular Hepatology(대한간학회지) Vol.7 No.2
Transcatheter arterial chemoembolization (TACE) is widely used to treat inoperable hepatocellular carcinoma and metastatic tumor of the liver. Among the complications occurring after TACE, liver abscess formation in HCC is a fatal complication. The reported incidence of this complication ranges from O% to 3.3%. Moreover, liver abscess formation in non - tumorous parenchyma is very rare. The pathogenic mechanism of this complication has been linked to several factors but retrograde enteric bacterial contamination of the biliary tract appears to be the most commonly implicated cause. The major risk factors of the biliary tract infection are pneumobilia, portal vein thrombosis, bilo - enteric anastomosis and biliary obstruction. We report a rare case of liver abscess formation in non - tumorous liver parenchyma after TACE for the treatment of hepatocellular carcinoma in a patient with pneumobilia(Korean J Hepatol 2001;7:189-194)