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김성권,김순석,신찬수,여상수,Kim, Seong-Gwon,Kim, Sun-Seok,Sin, Chan-Su,Yeo, Sang-Su 한국정보과학회 2001 정보과학회논문지 : 시스템 및 이론 Vol.28 No.6
평면상의 n 개의 점으로 구성된 집합 S가 있을 때, 같은 각의 두 (무한) 부채꼴을 이용하여 S의 점들을 모두 포함하는 문제를 본 논문에서 다루고자 한다. 즉, S W$_1$∪W$_2$를 만족하는 각이 최소인 두 부채꼴 W$_1$과 W$_2$를 구하고자 한다. 부채꼴의 정점은 반드시 S의 점에만 놓는다. 두 부채꼴의 배치에 ek라서 여러 가지 경우로 나눌 수 있는데 각 경우에 효율적인 알고리즘을 제시한다.
신혈관성 고혈압의 진단에 있어서 캅토프릴 신스캔의 의의
김성권(Suhng Gwon Kim),이정상(Jung Sang Lee),고창순(Chang Soon Koh),이명철(Myung Chul Lee),정준기(June Key Chung),이동수(Dong Soo Lee),최창운(Chang Woon Choi),배상균(Sang Kyun Bae),양형인(Hyung In Yang),김승철(Sung Chul Kim) 대한핵의학회 1992 핵의학 분자영상 Vol.26 No.2
N/A To evaluate the sensitivity and specificity of captopril renal scan for renovascular hypertension, we employed the captopril renal scan in conjunction with renal angiography in 81 patients, 159 kidneys, who were referred to evaluate the cause of hypertension. We defined the renovascular hypertension by the criteria of demonstration of renal artery stenosis by angiography, and improvement or cure of hypertension by revascularization. Visual and quantitative evaluation of Tc-99m-DTPA renal scan was performed pre and post captopril administration. The prevalence rate of renovascular hypertension was 40% in comparing with renal angiography, and 70% in confirmed cases. The causes of renovascular hypertension in 81 patients were Takayasu's arteritis, fibromuscular dysplasia, atherosclerosis, essential hypertension, chronic pyelonephritis etc. The sensitivity and specificity of captopril renal scan in comparing with renal angiography were 80%, 86.5%, respectively and also 84.2%, 72.6% in confirmed cases of renovascular hypertension, respectively. The causes of false negative cases were nonfunctioning kidney due to complete obstruction or long duration of disease in basal scan, segmental branch artery stenosis, unknown causes, and suspicious true negative cases without confirmation. The false positive cases were abdominal aortic stenosis or aneurysm, dehydration, unknown causes, and suspicious true positive cases. We conclude that captopril renal scintigraphy is highly sensitive, reasonably specific diagnostic method and comparable to other techniques very favorably.
대간간학회지 제6차 춘계학술대회 초록집 : 포스터 전시 ; 거대결절성 간결핵 1예
김성권 ( Kim Seong Gwon ),김선숙 ( Kim Seon Sug ),정문기 ( Jeong Mun Gi ),김은아 ( Kim Eun A ),박동균 ( Park Dong Gyun ),권오상 ( Kwon O Sang ),구양서 ( Gu Yang Seo ),박종재 ( Park Jong Jae ),김유경 ( Kim Yu Gyeong ),강동훈 ( Kang 대한간학회 2000 Clinical and Molecular Hepatology(대한간학회지) Vol.6 No.1(S)
Endovascular stent 로 치료한 간농양에 합병된 감염성 복부 대동맥류 1 예
김성권(Sung Gwon Kim),박동균(Dong Kyun Park),구양서(Yang Suh Koo),강동훈(Dong Hoon Kang),최덕주(Duck Joo Choi),박현철(Hyun Chul Park),김주현(Ju Hyun Kim),손지원(Ji Won Son),신익균(Ik Kyun Shin) 대한내과학회 2001 대한내과학회지 Vol.61 No.2
A 72-year-old diabetic male patient with high grade fever, right upper quadrant abdominal pain and Klebsiella pneumoniae septicemia is reported. He suffered from high fever and abdominal pain in spite of aspiration of liver abscess and antibiotic treatment. A few days later, we found a palpable pulsating abdominal mass on physical examination. Computed tomography and angiography revealed infected abdominal aortic aneurysm associated with pyogenic liver abscess. He was treated by antibiotics and Endovascular stent without surgical resection. He improved without complications and has been followed-up after discharge with excellent condition. To our knowledge, this is the first case of infected abdominal aortic aneurysm as a septic metastatic lesion secondary to liver abscess.(Korean J Med 61:151-155, 2001)