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오영수,김은주,김홍수,이문호,김선주,박상흠,정일권,권광안 대한소화기내시경학회 2000 Clinical Endoscopy Vol.21 No.1
A lymphangionma is a rare benign tumor occuring in the gastrointestinal tract, which is composed of lymphatic vessels of various size. A sharply demarcated smooth, soft, cystic submucosal tumor which is easily compressible and covered with normal mucosa is a characteristic ally an endoscopic feature. This lesion is considered to be a benign lesion, which does not need to be treated, but in cases that involve risk of any complications or symptoms, the lesion needs to be removed. Servral endoscopic treatment methods for a symptomatic lymphangioma have been introduced, but accompanying risk of complications, such as bleeding or perforation were reported. As complete removal of a lymphangioma is impossible due to its broad base, a newly developed unroofing method is presented to be effective and safe for resection of a large lymphan-gioma. Recently, 2 cases were experienced involving a lymphangioma in the large intestine, which was removed successfully by colonscopic unroofing therapy.
오영수 보험연구원 2011 KIRI Weekly(주간포커스) Vol.125 No.-
금융지주회사가 새로운 성장을 위해 인수 합병을 통한 규모의 확대와 비은행업무 영역으로 사업영역을 확장하는 전략을 추진함에 따라 시장에 의한 금융산업 개편이 예상되고 있다. 이러한 변동의 와중에서 보험회사는 새로운 사업모형 개발과 경영자원의 효율적 사용을 통해 경쟁력을 높일 수 있도록 적절한 경영전략 개발과 실행이 필요할 것이다.
오영수,윤정식 한국교육재정경제학회 2003 敎育財政 經濟硏究 Vol.12 No.1
본 연구는 대구광역시의 한 일반계 고등학생을 대상으로 교육생산함수적 접근을 통해 학업성적에 영향을 미치는 요인을 분석한 것이다. 수학과 영어점수를 종속변수로 한 회귀분식의 결과 전체적으로는 가정의 사회경제적 배경보다는 학생 개인의 동기나 특성이 보다 중요한 변수로 나타났다. 특히 과외는 전체적으로 학교 성적이 그다지 의미있는 영향을 보이지 않았는데, 특히 수학보다는 영어에서 이러한 현상이 두드러졌다. 또 일년동안의 성적변동 결정요인 분석에서는 유량(flow) 변수의 영향력이 보다 강해진 특징을 보였다.
내시경적 담도삽관을 위한 침형절개도를 이용한 누두절개술 (Infundibulotomy) 의 유용성
오영수,김은주,김홍수,이문호,김선주,박상흠,정일권 대한소화기내시경학회 2000 Clinical Endoscopy Vol.20 No.4
Background/Aims : Cannulation failure to biliary tract has been reported in 10% of patients who are performed diagnostic and therapeutic ERCP. Infundibulotomy by use of needle knife is cutting a bulbar part of protruding papilla, which has merit to avoid complete destruction of sphincter of Oddi and serious side effects than general precutting method. We want to know effectiveness and safety of infundibulotomy. Methods : From January 1997 to December 1998, 36 patients who failed cannulation over three times trial by conventional method are included to this study. We compared the success rate of cannulation and procedure related complication according to bile duct dilatation, periampullary diverticulum and shape of ampulla of Vater. Results : 1) Success rate of cannulation to bile duct is 81% (29/36). 2) All patients in group of bile duct dilatation (14) are succeed to cannulation, which is significantly high compare to other group (p=0.0288). 3) There was no statistical difference in success rate according to presence of periampullary diverticulum. 4) In groups of bulging prominent papilla are succeed in 23 among 26 patients, which is tendency of high in patients than other group (p=0.0760). 5) Total occurrence of procedure related complication was 33% (12/36). 6) The complication rate was not different in two groups according to cannulation success 7) The complication rate was tendency of high in patients without bile duct dilatation (p=0.0756). Conclusions : Infundibulotomy by use of needle knife is effeetive and safe cannulation method to patient who failed cannulation to bile duct. Success of cannulation is low and occurrence of complication is tendency of high in patient without bile duct dilation, which propose endoscopists attention in selection of indications.