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내시경적 점막절제술로 진단된 Proctitis Cystica Profunda 1예
강대환,박승근,양웅석,송근암,조몽,송철수,신호진 대한소화기학회 1998 대한소화기학회지 Vol.32 No.4
Proctitis cystica profunda is an uncommon benign rectal condition characterized by bloody stool and/or mucus, diarrhea, tenesmus, abdominal pain, or rectal pain. Since thickened muscularis mucosa and misplaced hyperplastic glands containing pools of mucin into the submucosa are pathologically typical features, it is easily diagnosed. Physical findings are varied, and include palpable mass, polyp, or irregular mucosal surface on digital rectal examination. On endoscopic examination, polyps, submucosal cysts, ulcerations, or irregular villous masses may be observed. Since it could be mistaken for malignant tumor both grossly and microscopically, it is important to differenciate proctitis cystica profunda from malignant tumor. We present an unusual case of proctitis cystica profunda diagnosed by endoscopic mucosal resection. It has been previously interpreted as adenomatous polyp by simple biopsy.
姜大環 광주대학교 산업경영연구소 1990 산경연구 : 광주대 Vol.3 No.-
Since the second world war, the free trade and the international monetary order formulated by IMF and GATT. But recently there has been dispersed in international economic order, so the regionalism of each country growth has been diffused. Besides the open-door policy changes a world economy. So I studied the changes of international trade environment. In chapter 2, international trade environment were reviewed. They are as foolows 1. multiformity of inthernational trade structure. 2. development of UR 3. market integration of EC 4. open-door policy of communist countries In chapter 3, our effect and countermeasure to international trade environment changes were investigated as follows. 1. regionalism in world economy 2. effect of UR in Korean Economy. 3. present condition in EC and countermeasure 4. north-word policy in Korea In conclusions, the auther's suggetions regarding the countermeasures are as follows. 1. Economic coporation should be needed in Asian area. 2. As korean firms should be increase the international competetion power and foreign direct investment activity. 3. The korean government should increase the support for research on foreign market.
소화성 궤양 환자에서 cagA 양성 Helicobacter pylori의 유병율
강대환,박승근,양웅석,송근암,조몽,송철수 대한소화기학회 1998 대한소화기학회지 Vol.31 No.2
Background/Aims: Helicobacter pylori is an important factor in the significant gastrointestinal diseases. It has been suggested that the cytotoxin associated gene (cagA) is a marker of a more virulent strain of H. pylori. We tried to evaluate the prevalence of cagA-bearing H. pylori in patients with non-ulcer dyspepsia (NUD), duodenal ulcer (DU), and gastric ulcer (GU). Methods: Thirty eight NUD, 42 DU, 33 GU patients were included in this study. The rapid urease (CLO) test and PCR assay for the detection of H. pylori (ureA PCR) and cagA+ H. pylori (cagA PCR) were performed in the gastric mucosal biopsy specimen. Results: H. pylori were identified in 27/38 (71.1%) NUD, 38/42 (90.1%) DU, and 16/33 (48.5%) GU by rapid urease test. The ureA primer set amplified the 109bp of urease gene in 28/38 (73.7%) NUD, 34/42 (81.0%) DU, and 19/33 (57.6%) GU patients. The positivity of cagA+ strain in H. pylori were 18/28 (64.3%) NUD, 21/34 (61.8%) DU, and 11/19 (57.9%) GU patients when cagA PCR were performed in the H. pylori positive gastric mucosae. Although the prevalence of H. pylori in DU patients was higher than NUD patients, the prevalence of cagA+ strain of H. pylori did not differ in both groups. Conclusions: The prevalence of cagA+ strains in H. pylori positive gastric mucosae did not differ in the NUD, DU, and GU patients. There may be other important factors in the H. pylori associated pathogenesis of peptic ulcer diseases.
강대환,김도훈,안진광,문재현,양웅석,이준홍,송근암,조몽 대한간학회 2000 Clinical and Molecular Hepatology(대한간학회지) Vol.6 No.1
Background/Aims : Although an Insulin-like growth factor-1(IGF-1) and an Insulin-like growth factor binding protein-3(IGFBP-3) have been reported to be valuable indices of nutritional state in cirrhotic patients, there is still a dispute. The controversy may be caused by the fact that most studies included heterogeneous groups of patients such as alcoholic and posthepatitic cirrhosis. The aim of this study was two fold: to evaluate whether the Growth hormone(GH), IGF-1, and the IGFBP-3 are significant or not as valuable indices of hepatic function as well as the nutritional state in hepatitis B or C associated cirrhotic patients. Methods : This study consisted of 36 patients with liver cirrhosis associated with hepatitis B or C. Patients with alcoholic cirrhosis were excluded. The serum GH, IGF-1, and IGFBP-3 were measured while patients were fasting. The variables of liver function and nutritional state included Child-Pugh score, serum bilirubin, albumin, prothrombin time, triceps skinfold thickness(TSF), and midarm muscle circumference (MAMC). The correlation between the variables of liver function or nutritional state and the serum GH, IGF-1, or IGFBP-3 was evaluated. Results : The IGF-1 correlated very well with IGFBP-3 (P$lt;0.001). Both the IGF-1 and IGFBP-3 correlated inversely with Child-Pugh score (P$lt;0.01, P$lt;0.001 respectively). IGFBP-3 correlated very well with the serum bilirubin level as well as the albumin level (P$lt;0.001). Neither the IGF-1 nor IGFBP-3 showed any correlation with TSF or MAMC. Conclusions : Both IGF-1 and IGFBP-3 were clinically significant as indices of hepatic function in the patients with hepatitic B or C associated cirrhosis but neither of them were significant as indices of nutritional state.(Korean J Hepatol 2000;6:52-58)
姜大環 광주대학교 1986 광주개방대학 논문집 Vol.3 No.-
This study is intended to facilitate the trade Procedures and to design the direction of Korea Strengthening its' competitive power in international markets. This paper is consist of five chapters as follows 1. Chapter Ⅰ is devoted to the purpose of method and study. 2. Chapter Ⅱ described the necessity of simplification of trade procedures. 3. Chapter Ⅲ investigated our situation of trade procedures. 4. Chapter Ⅳ Considered the improvement directions of trade procedures. 5. Chapter Ⅴ suggests some measures which may be considered appropriate to facilitating our trade procedures. As inward versus outward condition changes rapidly, simplification of trade procedures necessitates international competitive power in recent. So gavernment has try to give the various support in export department. To this, I was surveyed simplification of trade procedures. It was given the five following factors as reasons a. The arrangement of related laws and regulations, and the reduction of export inspection item. b. The coordination of expenditure incedental to export. c. The stardardization of export documentation. d. The use of standard marks. e. The construction of trade information system.