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- 저자 : 박경남(Park Gyung-nam) (검색결과 5 건)
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김종성(Kim jong-seong),서영상(Seo young-sang),박경남(Park Gyung-nam),류남훈(Ryu nam-hoon),김응곤(Kim eung-kon) 한국콘텐츠학회 2007 한국콘텐츠학회 종합학술대회 논문집 Vol.5 No.2_2
현재 다양한 연구에서는 유체인 안개의 자연스런 표현을 위해 프랙탈과 카오스 이론을 적용한다. 이러한 연구로 적용할 수 있는 전문 툴들을 사용하는 것은 자연스러운 표현이 가능하기 때문이다. 그러나, 일반인은 이러한 것을 아직 쉽게 표현하기는 매우 어려운데 그것은 고비용과 전문가들을 필요로 하기 때문이다. 따라서 누구나 어렵고 복잡한 고가의 전문툴들과 전문적으로 프로그래밍 제작을 최소로 한 안개의 표현을 쉽게 할수 있도록 하는 것이 일반적인 과제들이다. 본 연구는 이러한 2D 이미지에 대한 유체의 표현연구를 구체화하는 것으로 다양한 이미지 표현이 전문방송에서 개인에 이르는 UCC까지 가능하도록 쉽게 구현하였다. 특히, 이 연구는 3D 공간에서 안개의 유체적인 표현이 가능하기 때문에 한국화를 3D와 같이 표현할 때 배경에 안개의 표현을 쉽게 할 수 있도록 하였다. Now various research apply Fractal and chaos theory for natural expression of the fog on the fluid that the present this studies use special tools applicable are possible expression such as nature. But, ordinary peoples these works are much difficult yet easy to express, because require high prices and high professionals. Therefore, it is general assignments that everybody need easily expression of fog from high price special tools and professional programming reduction of complication difficult. Embodying this 2D image study made easily various image expression to be possible until Dee , individual from professional broadcasting. Specially, This study can use easily background fog expression when need to image expression such as Korean traditional pictures 3D because of possible expression of fog fluid effect in 3D space.
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췌장 낭종성 종양으로 오인되었던 부신 기원의 신경절성아세포종
한동수,이민호,김홍주,조윤주,최호순,윤병철,손주현,이오영,전용철,함준수,기춘석,박경남,박석규,임현철 대한소화기학회 2000 대한소화기학회지 Vol.36 No.4
Neuroblastoma, a tumor of the peripheral nervous system, is the most common extracranial solid tumor of childhood. Neurogenic tumor which includes neuroblastoma is classified into neuroblastoma, ganglioneuroblastoma and ganglioneuroma according to cytologic differentiation. Many cases of ganglioneuroblastoma which is the most rare tumor of neurogenic tumors have been reported during past few decades in U. S and European literature. However, in Korea, only 3 cases of ganglioneuroblastoma in adult have been reported. Recently, we experienced a case of ganglioneuroblastoma which was initially misdiagnosed as pancreatic cystic neoplasm by imaging study. A 27-year-old male patient admitted our hospital with chief complaint of left upper quadrant discomfort and intermittent vomiting. Imaging studies, such as abdominal sonogram, abdominal computed tomography, endoscopic retrograde cholangiopan creatography and angiogram revealed a cystic mass in pancreatic tail portion. The patient underwent mass excision, left nephrectomy and adrenalectomy. Diagnosis of ganglioneuroblastoma of adrenal origin was made on the basis of its histopathologic findings.
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내시경 결찰술을 이용하여 치료한 위 동정맥 기형 1 예
한동수,이민호,최호순,윤병철,이동후,이오영,손주현,조윤주,함준수,전용철,기춘석,박경남,박석규,손영우,윤경택 대한소화기내시경학회 2000 Clinical Endoscopy Vol.21 No.3
Although various endoscopic treatments, such as laser photocoagulation, electrocoagulation, heater probe, injection have been used for treatment of arteriovenous malformation (AVM), associated complications also have been reported. In order to avoid the complications, elastic band ligation has recently been used as an alternative method for endoscopic treatment of gastric AVM. A 58-year-old man was admitted due to hematemesis and melena. A gastroscopy revealed AVM with vessel exposure and active bleeding at the greater curvature of fundus, and we performed arteriography for emergency embolization, but, we do not find the bleeding vessel. Endoscopic band ligation therapy was performed as an alternative method for control of bleeding. 2 months later, follow-up endoscopy showed disappearance of AVM and no evidence of hemorrhage.
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췌장 외분비 기능검사로서 내시경적 췌관 내 세프레틴 검사 (Intraductal Secretin Test)의 유용성
한동수,이민호,최호순,윤병철,이동후,손주현,조윤주,함준수,전용철,기춘석,박경남,박일규 대한소화기내시경학회 2000 Clinical Endoscopy Vol.21 No.3
Background/Aims: The duodenal intubation test (duodenal secretin test; DST) is now considered the 'gold standard' test of exocrine pancreatic function in detecting exocrine pancreatic dysfunction in patients witd chronic pancreatitis. However, the DST has not been widely used, because it is time-consuming, invasive, and labor-intensive. On the other hand, intraductal secretin test (IDST) with endoscopic retrograde cannulation cf the main pancreatic duct has been showed similar diagnostic efficiency compared with DST. We assessed the clinical usefulness of IDST and investigated parameters for assessing impaired pancreatic function of IDST. Methods: Pure pancreatic juices were collected from 12 patients with chronic pancreatitis by endoscopic cannulation after a bolus intravenous injection of secretin 100 U, for 15min in three 5-min intervals. Five parameters of IDST were measured, and the sensitivity, specificity, and accuracy of IDST evaluated compared with ERP. Results: When we regarded mean-l.5 SD as the lower limits of IDST, the diagnostic sensitivity, specificity, and accuracy of five parameters to detect chronic pancreatitis were 91.7-100%, 75-87.5%, and 85-90%, respectively. Among five parameters, pancreatic juice secretory volume, bicarbonate concentration, and amylase output showed the highest diagnostic accuracy, followed by lipase output and bicarbonate output. A 10-min collection showed as much information as a 15-min collection. Conclusions: 10-min intraductal secretin test is useful as the conventional exocrine pancreatic function test in detecting exocrine pancreatic dysfunction in patients with chronic pancreatitis and the most discriminatory parameters are pancreatic juice secretory volume, bicarbonate concentration, and amylase output.
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김경현,최호순,조윤주,김성훈,김진영,한동수,손주현,전용철,이오영,윤병철,함준수,이민호,이동후,기춘석,박경남,이광수,홍은경 한양대학교 의과대학 2000 한양의대 학술지 Vol.20 No.2
Synovial sarcoma is a arare soft tissue tumor that is unrelated to synovium and can occur in almost any part of the body. The extremities, particularly the lower thigh and knee region, represent the usual sites affected by sinovial sarcoma. Other primary site, such as neck, tongue, abdominal wall, esophagus and retroperitoneum, in contrast, have been only infrequently reported. Especially the incidence of retroperitoneal synovial sarcoma was only 0.8-8.3% of all synovial sarcoma, we report a case of synovial sarcoma arising in the retroperitoneum. A 38-year-old female admitted our hospital with chief complaint of epigastric pain radiating to the back. Imaging studies such as abdominal sonogram, abdominal CT, and angiogram revealed avascular mass in retroperitoneum. The patient underwent mass excision, and section from the mass showed solidly packed spindle shaped cell without evidence of epithelial differentiation, and the results of immunohistologic stain were reactive for keratin and vimentin, but not reactive for EMA and S100. Histological findings are compatible with poorly differentiated synovial sarcoma.
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