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LNG 저장탱크 내조용 9% Ni강의 SAW 용접열영향부내 파괴인성 변화 평가
장재일,이정석,이백우,주장복,권동일,김우식,Jang, Jae-Il,Lee, Jeong-Seok,Lee, Baek-U,Ju, Jang-Bok,Gwon, Dong-Il,Kim, U-Sik 대한기계학회 2002 大韓機械學會論文集A Vol.26 No.3
As one step for the safety performance of LNG storage tank, the change in fracture toughness within the X-grooved weld heat-affected zone (HAZ) of newly developed 9% Ni steel, which was submerged arc (SA)-welded, was investigated. Both crack initiation fracture toughness and crack arrest fracture toughness were evaluated by the crack tip opening displacement (CTOD) tests and compact crack arrest (CCA) tests. As the evaluated region approached the fusion line, each test result shorted different tendency, that is, crack initiation toughness decreased while crack arrest toughness increased. The results were discussed through the observation of the microstructural change.
김종우 ( Jong Woo Kim ),권동일 ( Dong Il Gwon ),김효철 ( Hyo-cheol Kim ) 대한췌장담도학회 2021 대한췌담도학회지 Vol.26 No.1
췌장신경내분비종양(PNET)은 드물지만 최근 진단 기술의 발전으로 발견 빈도는 증가하고 있다. PNET의 간전이는 장기 생존과 상관 관계가 높아서 이에 대한 적극적인 치료가 중요하다. 간 전이가 있는 PNET 환자에서 약물 치료에도 불응하는 증상이 있거나 무증상이지만 약물 치료에도 진행하는 절제 불가능한 간전이가 있을 때 간직접 치료를 추천하고 있다. 국소 소작술, 간동맥 색전술(TAE), 간동맥화학색전술(TACE), 간동맥 방사선 색전술(TARE) 등을 포함하는 간직접 인터벤션 치료는 증상을 호전시키고 생존율을 향상시키는 중요한 역할을 담당하고 있다. 본고의 목적은 PNET의 간전이를 치료하기 위한 간직접 인터벤션 치료의 최신 지견에 대해 기술하는 것이다. Pancreatic neuroendocrine tumors (PNETs) are rare, but the frequency of detection is constantly increasing due to recent advances in diagnostic technology. Since liver metastasis (LM) of PNETs is highly correlated with long-term survival, active treatment is important. Liver-directed treatment is recommended for patients with unresectable LM from PNET if symptomatic or progressing despite medical management. Liverdirected intervention treatment, including locally ablative techniques and hepatic arterial embolotherapy has a vital role in controlling symptoms and improving overall survival rates. The purpose of this article is to address the recent advances in liverdirected intervention treatments for the treatment of LM of PNETs. Korean J Pancreas Biliary Tract 2021;26(1):15-23
공장 정맥류 출혈에 대한 색전술 후 이동된 코일의 수술적 제거 1예
김준환 ( Junhwan Kim ),이단비 ( Danbi Lee ),오경환 ( Kyunghwan Oh ),이민기 ( Mingee Lee ),소설 ( Seol So ),양동훈 ( Dong-hoon Yang ),김찬욱 ( Chan-wook Kim ),권동일 ( Dong Il Gwon ),정영화 ( Young-hwa Chung ) 대한소화기학회 2017 대한소화기학회지 Vol.69 No.1
Jejunal variceal bleeding is less common compared with esophagogastric varices in patients with portal hypertension. However, jejunal variceal bleeding can be fatal without treatment. Treatments include surgery, transjugular intrahepatic porto-systemic shunt (TIPS), endoscopic sclerotherapy, percutaneous coil embolization, and balloon-occluded retrograde transvenous obliteration (BRTO). Percutaneous coil embolization can be considered as an alternative treatment option for those where endoscopic sclerotherapy, surgery, TIPS or BRTO are not possible. Complications of percutaneous coil embolization have been reported, including coil migration. Herein, we report a case of migration of the coil into the jejunal lumen after percutaneous coil embolization for jejunal variceal bleeding. The migrated coil was successfully removed using surgery. (Korean J Gastroenterol 2017;69:74-78)
조정제 ( Jung Je Cho ),나승원 ( Seung Won Ra ),이광하 ( Kwang Ha Lee ),이정아 ( Jung A Lee ),강채훈 ( Chae Hoon Kang ),권동일 ( Dong Il Gwon ),오연목 ( Yeon Mok Oh ) 대한결핵 및 호흡기학회 2008 Tuberculosis and Respiratory Diseases Vol.65 No.1
Pregnancy induces many physiologic changes, and it can cause hemoptysis in relation to the underlying or potential pulmonary diseases. Although hemoptysis is not a frequent event during pregnancy, a thorough search for its etiology and then immediate management should be initiated for a case of massive hemoptysis to avoid serious adverse effects on both the fetus and the mother. Most hemoptysis events during pregnancy are related to well known etiologies, but there are a few reported cases of hemoptysis in pregnant women who are without any underlying lung lesion. We report here on a case of a pregnant woman with total lung collapse due to hemoptysis, and a thorough search for the etiology after delivery could not reveal any etiology.