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윤종현 대한영상의학회 1986 대한영상의학회지 Vol.22 No.5
Following on from diagnosis using ultrasound, hydrostatic reduction usign saline enema under ultrasound guidance was tried in 20 cases of childhood intussusception. The conclusion were as follows : 1. Success rates of saline enema uncer ultrasoun guidance during a first-8month period(P1) and a second-10 month period(P2) were 55.6%(5/9) and 54.5%(6/11) respectively. Average success rate was 55%(11/20). 2. During the periods of P1 and P2 , no case was reduced by barium enema in 6 cases of failed reduction with saline enema. 3. Duringthe period of P2, 5 cases of successful reduction with saline enema were confirmed by clinical follow up without barium enema. 4. During the periods of P1 and P2, 9 cases of failed reduction with saline enema were operated, resulting in 6 cases of segmental resection and 3 cases of manual reduction. 5. The obvious advantage of this method are : 1. No radiation hazard. 2. No fear of barium peritonitis. 3. Detection of leading point. 6. With above res lts, this method could compeltely replace barium enema. And ultrasonography should be the initial study inthe evaluation of intussusception in children and then if necessary, aline enema under ultrasound guidance should be done.
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윤종현 대한영상의학회 1990 대한영상의학회지 Vol.26 No.6
In order to determine sonographic characteristics of renal tuberculosis, we retrosp to ectively collected 27 cases during a 5- year period. Infected kidneys showed large size(52%) and lobulating contour(76%). In 19 cases of increased parenchymal echogenicity, most of them (16 cases0 showed decreased parenchymal thickness. We divided hydronephrotic patterns into 4 categories : predominant calyceal dilatation with mild or no pelvic dilatation(67%), focal calyectasis without pelvic dilation (15%), parenchymal cavitation without hydronephrosis (11%) and proportional hydronephrosis with calyceal deformity (7%). Our findings suggest that disproportional hydronephrosis would be the characteristic finding of renal tuberculosis.
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국내 농축산단지 내 지하수 수질특성 및 오염인자 상관관계 분석
윤종현,박선화,최효정,김덕현,김문수,윤성택,김영,김현구,Yoon, JongHyun,Park, Sunhwa,Choi, HyoJung,Kim, Deok Hyun,Kim, Moonsu,Yun, Seong-Taek,Kim, Young,Kim, Hyun-Koo 한국지하수토양환경학회 2020 지하수토양환경 Vol.25 No.4
In this study, the concentrations of some of the important ionic contaminants in groundwaters of national monitoring network in Korea were identified, and their correlation to nitrate concentration was investigated. Approximately 80% of the groundwater samples were found to be as Ca2+-(Cl-+NO3-) type groundwater with the concentration ranges [minimum to maximum values, median (mg/L)] of Ca2+[0.1~228.2, 19.7], Mg2+[0.1~53.2, 5.1], K+[0.1~50.8, 1.9], Na+[1.5~130.5, 18.1], NO3--N[0.1~73.4, 9.3], NH4+-N[0.0~53.9, 0.3], Cl-[3.1~482.6, 24.0], and SO42-[2.8~101.6, 7.0]. The prevalence of Ca2+-(Cl-+NO3-) type suggest that the composition of groundwaters were greatly influcenced by chemical fertilizers and animal manure, Correlation analyses indicated threre was positive correlation between NO3--N concentration and ionic species including Cl-, Ca2+, Mg2+, and Na+. In particular, the correlation was strongest for Cl- and NO3--N, suggesting that groundwaters largely impacted by agricultural and livestock breeding activities tend to contain high levels of Cl-.
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스티븐 홀의 박물관 건축공간에 나타난 현상학적 표현 특성 연구
윤종현,이정민,김형준 한국공간디자인학회 2011 한국공간디자인학회논문집 Vol.6 No.2
현상'이라고 하는 것은 인식되어지는 것과 인식되어지지 않는 것이라 하더라도 사유할 수 있는 것을 물자체 혹은 본체라 간주하며, 이것의 인식된 측면이 '현상'이라고 일반적으로 정의한다. 현상학적 공간은 공간과 인간이 분리된 독자적 관계를 의미하는 것이 아니라, 인간과 공간이 상호 주관적으로 얽혀있는 관계를 드러낸다. 이처럼 체험과 경험, 공간과 시간의 관계성을 중시하는 현상학적 공간개념이 새로운 가능성으로 제시될 수 있다. 스티븐 홀의 현상학적 공간의 특성으로는 빛과 물을 통해 빛과 그림자의 변화로 현상학적 시각체험을 할 수 있도록 하였으며 현상적 특성을 수채화나 모형으로 표현하는 등의 특징을 가지고 있다. 이를 바탕으로 본 연구는 현상학적 표현특성에 의한 공간표현연출을 도출하여 보다 효과적인 박물관 공간계획의 새로운 방향을 알아보았다. 그 결과 스티븐 홀은 건축공간에서 느낄 수 있는 다양한 현상을 빛과 물이라는 표현요소를 사용하여 관람객들의 새로운 지각적 체험을 만들어 낸 건축가임을 알 수 있었다 Researchers assumed what can be sensed as ‘physical being’ or‘the essence’ of which cognitive aspect, we literally define ‘phenomenon’. ‘Phenomenal space’ is not the notion emphasizing on the independent relationship, which totally segregates human being and space rather can be supposed as the relationship, which was subjectively interwoven between human being and space. As mentioned above, ‘phenomenal space’which put importance on the physical experience and the relationship amongst time and space can be introduced as the new possibility of understanding modern architectural traits. The phenomenal space traits of Steven Holl can be described as such that light and shadow variation by means of light and water dynamics can make it sensually experienced phenomenal visual experience and more on that his phenomenal traits also can be expressed as the form of the watercolor or miniature. We reached on the conclusion that Steven Holl is the prominent architect who made whole new cognitive experience impact using simple light and water dynamics which was not easily found on traditional architectural works.
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윤종현 대한영상의학회 1983 대한영상의학회지 Vol.19 No.2
Authors retrospectively analysed the diagnostic values of oblique tomography of hilum over simple chest PA & AP tomography in 129 cases at Seoul National University Hospital during 3yrs from may 1979 to may 1982. The results are as follows : 1. Among 129 cases, 42 cases were lung cancer, 24 cases were tuberculosis, 22 cases were prominent pulmonary artery, 10 cases were metastasis, & ect. 2. In 42 cases of lung cancer. 1) Diagnostic accuracy of oblique tomography in the evaluation of hilar lymphadenopathy was 92%, that of AP tomography & simple chest PA were 67% & 54% respectively. 2) Diagnostic accuracy of oblique tomography in the evaluation of endobronchial lesion was 95%, that of AP tomography & simple chest PA were 24% & 14% respectively. 3. It is suggested that in lung cancer if there is no evidence of hilar enlargement in simple X-ray, 55$^{\circ}$ oblique tomography is recommended for evaluation of hilum, or if hilar enlargement is shown in simple X-ray, then AP tomography or CT is recommended for evaluation of mediastinum.
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