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강명주,지삼룡,박석주,이재익,조영완,김준영,박성재,박은택,이연재,이상혁,설상영,배상균 인제대학교 2006 仁濟醫學 Vol.27 No.-
Carcinoid tumors have been reported in a wide range of organs but most commonly involve the lungs, bronchi and gastrointestinal tract. Within the gastrointestinal tract, appendix is the most common location for carcinoid, followed by the distal small intestine, the rectum, and the stomach. Among these, primary involvement of the ampulla of Vater is extremely rare. We report a case of carcinoid tumor of ampulla of Vater. A 62-year-old man presented with epigastric soreness. Gastroduodenal endoscopy showed hyperemic bulging mass on ampulla of Vater and diagnosed as carcinoid tumor by histologic finding, with immunohistochemical study. In ^(111)In-octreoscan, tumor had regional lymph node metastasis, but no evidence of distant metastasis. Pancreatoduodenectomy with lymph node dissection was performed.
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지능형 전자상거래를 위한 적응형 에이전트 기반 교섭 모델에 관한 연구
강재연,이은석 成均館大學校 科學技術硏究所 1998 論文集 Vol.49 No.2
With the growth of EC(Electronic Commerce) on the Internet and the increase of interests in software agents, researches for the automated negotiation are proceeding rapidly. We divide the present EC into two types - EC without a negotiation process and EC with a negotiation process - in the light of a negotiation process and look into characteristics and problems of them. We propose a flexible negotiation model for agent-based EC systems, and present the use of ontology to be open and shared as an expressive knowledge representation and strategy to be environment-adaptive as a function for the best transactions. The proposed negotiation model make it possible to negotiate for diverse attributes simultaneously and grip the progressive process of a negotiation via BB(Black Board), one that used in learning strategy. Finally, we evaluate the proposed negotiation model qualitatively.
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대규모 지하 상업공간에서의 보행자의 움직임과 경로선택 특성에 관한 연구
안은희,강석진,이경훈 대한건축학회 2004 대한건축학회논문집 Vol.20 No.9
The main purpose of this study is to understand pedestrians' movement pattern In large-scale underground shopping environment by Investigating the relationship between spatial configuration and actual movement of visitors. In addition, this study also attempts to Identify factors affecting visitors t decision making at the points which have more than two alternative routes. Coex Mall In Samsung-dong was selected for this purpose The plan of Coex Mall was analyzed by Space Syntax method while the data about visitors' spatial choice and preference In transition space was acquired by questionnaire The result of analysis showed that people's movement 10 large-scale underground shopping environment are decided not by Its spatial configuration only but also by major attractor and generator of movement such as Mega-box The results also showed that people intuitively tend to choose the shortest route and to move forward the brighter route Finally, this study suggested and discussed some design concept that can potentially create an flow of Visitors by locating and connecting several attractors in order to distribute the flow evenly In the shopping mall.
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공동주택 주호 내부구성재의 내용연한 및 수선주기 설정연구
임석호,황은경,이강희,김수암 대한건축학회 2003 대한건축학회논문집 Vol.19 No.3
In case of an apartment house, the application of LC(Life Circle) design that considers remodeling and reconstruction when the a house reaches a certain time after its erection needs to be reviewed for longevity from time series life perspectives that set up a period of durability for components and maintains and improves their performances through systematic replacement and repair. Apartment houses are constructed with parts of different sizes and life. It is important to manufacture materials and components with high durability. However, more importantly, well-thought-out and systematic plans are needed between parts with a space module and a life module and construction space. Hence, this research sought to investigation of the expected service life of parts or members according to repair or replacement cycles with social and functional aspects, considering the establishment of housing parts hierarchy through the analysis of expected service life. Consequently, the establishment of the repair cycle and estimation of the service life of housing parts have the remodeling in place in the frontline construction business and cut cost on remodeling, thus activating remodeling.
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이강현,임경수,홍은석,황성오 대한응급의학회 1996 대한응급의학회지 Vol.7 No.2
Some emergency physicians neglect abdominal injuries if a patient does not complaint of abdominal pain or abdominal tenderness was absent on physical examination. But intra-abdominal injuries are correlated closely with lower rib fractures and pelvic bone fractures. In cases of lower rib fractures, intra-abdominal organs are injured as a diaphragm is elevated as high as 5th intercostal space in expiration period. When intra-abdominal solid organ is ruptured, a patient complaints of abdominal pain, but there`s no abdominal pain if small hematoma occurs in solid organs. Although the most of solid organ hematoma are resolved spontaneously without complications, sometimes delayed rupture of hematoma occurs especialy in patients with the coagulopathy. So emergency physician must evaluate the abdomen closely when the possibility of intra-abdominal injury is high. To evaluate the intra-abdominal injuries, we investigated 57 patients with lower rib fractures by ultrasonography. The patients were divided in 2 groups according to presence of abdominal symptomes; patients with abdominal symptoms(n=10). Among 57 patients, intra-abdominal injuries were found in 35 patients. In group with lower rib fractures and presence of abdominal symptoms, intra-abdominal injuries were diagnosised in 32 patients(68.9%) with 48 cases(hepatic injury; 20, spleen injury; 19, renal injury 7, hemoperitoneum without solid organ injury; 2). In group with lower rib fractures and abscence of abdominal symptoms, intra-abdominal injuries were diagnosised in 3 patients(30.0%) with 3 cases(spleen injury; 1. hemoperitoneum without solid organ injury;2). In conclusion, emergency physician must do ultrasonography to evaluate intra-abdominal injuries in patients with lower rib fractures although a patient does not complaint of abdominal pain.
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이강욱,전은석,박종훈,신영태,노흥규 충남대학교 의과대학 지역사회의학연구소 1993 충남의대잡지 Vol.20 No.2
In order to evaluate clinical utilities of Tc-99m MIBI dipyridamole stress myocardial SPECT in patients with coronary artery disease (CAD), we compaired tomographic and polar map images of Tc-99m MIBI myocardial SPECT with the results of coronary angiography in 25 patients with CAD (myocardial infarction 13,angina pectoris 12) in Chungnam National University Hospital from Oct. 1991 to Oct 1993. Percutaneous transcoronary angioplasty (PTCA) was done in three patients of 25 CAD patients and follow up SPECT studies were done in same three patients within 2 months after PTCA. The results were as follows : 1. Mean age of patients was 57.4 years. Man was 2.7 times more than woman. 2. Sensitivity and specificity of Tc-99m MIBI myocardial SPECT for the detection of coronary artery stenosis in patients with myocardial infarction were 92.7 % anf 85 %, respectively. 3. Sensitivity and specificity of Tc-99m MIBI myocardial SPECT for the detection of coronary artery stenosis in patients with angina pectoris were 100 % and 67 %, respectively. 4. After PTCA size of perfusion defects in stress SPELT images was decreased in all three patients . With the results above,we thought that Tc-99m MIBI myocardial SPECT is useful noninvasive method to detect stenosed coronary artery in patients with CAD and it can be used as a method to evaluate the result of PTCA.
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양은석,김강호,박상기,나창수 朝鮮大學校 附設 醫學硏究所 1989 The Medical Journal of Chosun University Vol.14 No.1
A clinical study was made on 157 newborns of mothers with premature rupture of membranes (study group) and 916 newborns of mothers without rupture of membranes (control group) at Chosun University Hospital from Jaunary 1987 to Decembcr 1988. The results were as follows: 1) The incidence of PROM was 14.6%. 2) 10.2% of all babies with PROM were born prematurely, significantly higher than the incidence of PROM in all newborn cases with 4.8% (P<0.005). 3) The incidence of neonatal sepsis in the PROM group (4.5%) was four times higher than in the normal group(1.1%) (P<0.005). The incidience was related to the gestational age at birth, and also increased with increasing time interval after PROM. 4) The incidence of neonatal asphyxia in PROM group (7.6%) was twice the normal group (3.6%) (P<0.025). The premature babies had greater incidence in both groups. Also, a positive correlation was found with increasing time interval PROM. 5) Neonatal respiratory distress syndrome(RDS) was found in 1.3% of babies with PROM, whereas 1.4% of babies in the normal group had the syndrome. Premature babies had higher incidence of RDS in both normal and PROM groups, but the latter had an incidence amounting the only 1/5 of the former. And it tended to diminish with creasing time interval after PROM.
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