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RISS 인기검색어
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- 저자 : 한성용 ( Sung Yong Han ) (검색결과 24 건)
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한성용,김동욱,Sung Yong Han,Dong Uk Kim 대한소화기암연구학회 2018 Journal of digestive cancer reports Vol.6 No.2
Over the past decade, circulating tumor cell have received tremendous attention as new biomarkers and basic research subjects.In recent years, research on circulating tumor DNA, exosomes and microRNAs has also been actively conducted.These circulating tumor markers have the potential to become the basis of precision medicine, such as determining the genome / immune profile, monitoring response and tolerance, and selecting therapeutic agents beyond the early diagnosis and prognosis prediction.In this article, we introduce the diagnostic methods, efficacy, meaning, and applicability of various circulating tumor markers.
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강원도 화천군 수달(Lutra lutra) 서식지의 식생 구조
서형수 ( Hyung Soo Seo ),신영섭 ( Young Seob Shin ),이경은 ( Kyung Eun Lee ),김윤미 ( Yoon Mi Kim ),전미나 ( Mina Jeon ),남택우 ( Taek Woo Nam ),한성용 ( Sung Yong Han ),정연숙 ( Yeonsook Choung ) 한국수생태학회 2014 생태와 환경 Vol.47 No.special
In order to determine whether vegetation would be one of the factors for the selection of otter home range, vegetation structure and other potential factors were studied in Hwacheon, Korea. Thirteen sites, otter’s activity found and not found, were investigated in North Han River and connected tributary streams of Hwacheon-gun. Three types of vegetation were classified by cluster analysis, which is short grass, tall grass and shrub type. Vegetation zone of each channel is composed of either one type, or mosaic of tall grass and shrub type. Short grass type is common in Lake Paro and upper North Han-river where water level is highly variable throughout a year. Therefore, annual species such as Persicaria nodosa, Fimbristylis dichotomam and Chenopodium ficifolium are the most dominant. Shrub type is common at the downstream sites of Jichon stream and along mainstream of North Han River down Lake Paro. A shrub species, Salix koreensis, is the most common. Tall grass type is dominant occupying the most vegetation zone of the tributary channels. Phragmites japonica is absolutely dominant. Due to its dense cover, a few plant species are co-existed. Otter activity was found in all three vegetation types and no marked activity was found at some sites of tall grass type. There is no difference in species composition and physiognomy between tall grass sites with and without otter activity, while it shows significant difference in fish availability between two groups. Overall we found that home range of otters in the region is along the mainstream and downstream of tributary streams with high fish availability in all vegetation types and in various human activity levels.
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한성용 ( Sung Yong Han ),김태욱 ( Tae Wook Kim ),김동욱 ( Dong Uk Kim ),박영주 ( Young Joo Park ),이문원 ( Moon Won Lee ),김석 ( Suk Kim ),백동훈 ( Dong Hoon Baek ),김광하 ( Gwang Ha Kim ),송근암 ( Geun Am Song ) 대한췌장담도학회 2020 대한췌담도학회지 Vol.25 No.1
Background/Aim: Percutaneous transhepatic cholangioscopy (PTCS) has been widely used for the diagnosis and treatment. PTCS-related complications (hemobilia, cholangitis, biliary tract perforations) are not infrequent. However, data on the risk factors for PTCS-related complications are limited. Therefore, we aimed to identify the risk factors for PTCS-related complications. Methods: Two hundred thirty-three patients who underwent PTCS at a single tertiary center between January 2006 and October 2014 were enrolled. After retrospectively analyzing the patients’ medical records, 212 patients were enrolled and classified into two groups: 1) a complication group and 2) a non-complication group. Results: The study population comprised 112 men and 100 women, with a median age of 64.5 years. Of the 212 patients, 32 (15.1%) developed complications: 14 (6.7%) developed cholangitis, six (2.8%) developed bile duct injury, and two (0.9%) developed hemobilia. In the univariate analyses, older age, a small number of tract dilatation sessions, and computed tomography (CT) findings of liver cirrhosis and a non-dilated intrahepatic duct were risk factors for PTCS-related complications. In the multivariate analysis, older age, a small number of tract dilatation sessions, and the CT finding of a non-dilated intrahepatic duct were independent factors for predicting PTCS-related complications. Serial tract dilatations (≥2 sessions) were performed in 95 patients (44.8%), but this did not affect the complication rate. In this subgroup of patients, a short interval between sessions (≤3 days) was associated with PTCSrelated complications. Conclusions: Elderly patients and those with non-dilated intrahepatic ducts on CT need to be managed carefully. Stepwise tract dilatations and a long interval between sessions (>3 days) can help decrease PTCS-related complications.
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투시영상 없이 시행한 췌장 가성낭종의 내시경초음파 유도하 배액술
한성용 ( Sung Yong Han ),김광하 ( Gwang Ha Kim ),편성익 ( Sung Ik Pyeon ),이문원 ( Moon Won Lee ),송병구 ( Byeong Gu Song ),백동훈 ( Dong Hoon Baek ),김동욱 ( Dong Uk Kim ),송근암 ( Geun Am Song ) 대한췌장담도학회 2018 대한췌담도학회지 Vol.23 No.1
Background/Aims: Pancreatic pseudocyst is a common complication of acute and chronic pancreatitis. Endoscopy ultrasound (EUS)-guided drainage includes multiple steps and requires many resources such as a linear echoendoscope and a fluoroscopy room, which may not be available at all medical centers. We aimed to evaluate the efficacy and safety of EUS-guided pancreatic pseudocyst drainage without fluoroscopy. Methods: This retrospective study analyzed 10 patients who had undergone EUSguided transmural drainage of pancreatic pseudocyst without use of fluoroscopy at the Pusan National University Hospital between January 2009 and December 2016. Drainage was performed via a transgastric approach and one or two 7 Fr double-pigtail stents were inserted. Results: The technical success rate was 100% and the clinical success rate was 80%. In two patients, clinical success was not achieved and additional percutaneous catheter drainage was done. Therefore, pseudocysts in all the patients were treated successfully without surgical drainage. However, there were three adverse events in three patients: bleeding, infection, and stent migration in each respective patient. During the median follow-up period of 36.5 months, there was no recurrence of pseudocysts in any of the patients. Conclusions: EUS-guided transmural drainage of pseudocyst drainage without use of fluoroscopy is a technically feasible, safe, and effective procedure for the treatment of pancreatic pseudocyst. Korean J Pancreas Biliary Tract 2018;23(1):24-31
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StrongARM SA - 1100 기반의 RTOS 커널 설계 및 구현
한성용(Seong-Yong Han),박희상(Hi-Sang Park),이철훈(Cheol-Hoon Lee) 한국정보과학회 2002 한국정보과학회 학술발표논문집 Vol.29 No.1A
본 논문은 RISC CPU 인 Intel StrongARM SA-1100 을 기반으로 하는 실시간(Real-Time) 운영체제를 설계한 내용을 설명하고 있다. 본 논문에서 구현된 운영체제는 태스크들이 우선순위 기반으로 처리되는 선점형 스케줄링 방식을 채택함으로써 실시간 운영체제의 주요 특정인 시간 결정성(determinism)을 보장하도록 하였다. Intel StrongARM SA-1100 은 고성능(High Performance), 저전력(Low Power)의 장점 때문에 모바일(Mobil) 환경에서 많이 사용되고 있다. 본 논문은 Intel StrongARM SA-1100 CPU를 타겟으로 시간 결정성이 보장되도록 멀티 태스킹(Multitasking)과 ITC(InterTasking Communication)를 설계하고 구현한 내용에 대해 설명하고 있다.
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편성익 ( Sung Ik Pyeon ),송근암 ( Geun Am Song ),백동훈 ( Dong Hoon Baek ),김광하 ( Gwang Ha Kim ),이봉은 ( Bong Eun Lee ),이성준 ( Seong Jun Lee ),윤정빈 ( Jung Bin Yoon ),한성용 ( Sung Yong Han ),박도윤 ( Do Youn Park ) 대한소화기학회 2017 대한소화기학회지 Vol.69 No.2
The gastrointestinal tract is the most common site of extra-nodal non-Hodgkin lymphoma. However, the incidence of primary rectal lymphoma is extremely rare. Among the primary gastrointestinal lymphomas, follicular lymphoma has been described as a rare disease. It is difficult to diagnose rectal lymphoma due to its variable growth patterns and inadequate biopsies. Majority of patients with rectal lymphoma have non-specific symptoms or negative biopsies, often delaying the diagnosis. Our patient is a 62-year-old female. Two sessile and smooth subepithelial lesions with a yellowish normal mucosa were found on a screening colonoscopy. The initial mucosal biopsy finding was chronic inflammation, but we were highly suspicion of malignancy; we performed an endoscopic mucosal resection. Herein, we present a rare case of rectal follicular lymphoma diagnosed by endoscopic mucosal resection with a literature review. (Korean J Gastroenterol 2017;69:139-142)
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