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김성호,이상걸 충남대학교 의과대학 지역사회의학연구소 1993 충남의대잡지 Vol.20 No.2
Authors analyzed factors influencing the development of peritumoral brain edema in a series of 40 patients with intracranial meningiomas. We used the Edema Index(EI) which was calculated by dividing the size of the meningiomas and peritumoral edema by the size of the meningiomas using the CT scan and MRI. We compared the El with several factors which might influence the amount of peritumoral brain edema. 31 cases among the 40 cases revealed peritumoral edema. The factors which revealed significantly more severe peritumoral edema were meningiomas which were located in falx and frontal convexity, those without radiologic calcifications, meningiomas in solid natures, those which with less homogenous enhancement in the brain CT scan or MRI, and right hemispheric meningiomas.
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김성호,전용선 충남대학교 의과대학 지역사회의학연구소 1996 충남의대잡지 Vol.23 No.2
The authors analyzed 20 lesions in 14 patients of posterior fossa hemangioblastomas which were confirmed by operation and histology during last eight and a half years. Among them, three cases were consistent with von Hippel-Lindau disease. Seven patients were men and seven patients were women. The mean age of the patients was 38 years. There were eleven lesions of the cystic type and nine lesions of the solid type. Five solid lesions were diagnosed in one patient. Four patients (28.5%) died within two months of their operation. One case recurred two years after subtotal tumor resection.
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김성호,박찬금 한양대학교 의과대학 2000 한양의대 학술지 Vol.20 No.1
The author studied primary gastric malignant lymphomas, which were reclassified by REAL classification and on which clinico-pathologic correlation was made. Twenty-nine cases of primary gastric lymphomas were retrieved from files of the Department of Pathology, Hanyang University Hospital between 1985 and 1998. Eight lymphomas were classified as low grade MALT lymphomas, 2 as low/high grade MALT lymphomas, 4 as high grade MALT lymphomas, 12 as diffuse large B-cell lymphomas, and 3 as peripheral T-cell lymphomas. Clinical follow-up was available for 16 patients. Three cases were diagnosed as stage I, 6 as stage Ⅱ, 1 as stage Ⅲ, and 6 as stage Ⅳ. No patients in stage I, Ⅱ, and Ⅲ were died of lymphomas, but all six patients of stage Ⅳ were died of lymphomas (3 cases) or died with other diseases (3 cases). Histologic grade of MALT lymphoma and clinical stages appeared no correlated as was histologic grade and response to therapy. It appeared that the clinical stage was the most important factor in predicting prognosis.
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저탄소 Al-킬드강의 연속 어닐링에서 과시효 처리공정 중 탄화물 석출거동에 관한 연구
김성호,한봉희,박용범 대한금속재료학회(대한금속학회) 1986 대한금속·재료학회지 Vol.24 No.8
Precipitation behavior of carbides and texture change in a deep drawing sheet steel were studied by heat treating in a production scale continuous annealing line. Effect of annealing, quenching and overaging temperatures were investigated. The site of carbides precipitated during overaging treatments became larger and the Vickers hardness number decreased as the temperatures for quenching and overaging increased. After a overaging treatment at 350℃, finely dispersed plate-like carbides were precipitated in the matrix, white at overaging treatments of 400℃, carbides precipitated along grain boundaries in a form of film and within matrix in a form of coarse particles. The recrystallized structure showed a (111) type texture with the main component of (111) [1￣1￣2]. The(111) pole intensity and I_(222) I_(200) became higher as the annealing temperature increased within the α-phase region.
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소프트웨어 신뢰도 측정을 위한 결함 발생 예측 모델에 관한 연구
김성호,곽선경 안양대학교 자연과학연구소 1997 自然科學硏究 Vol.4 No.-
본 연구에서는 결함 자료의 조건을 만족시켜 적용되는 확률 밀도 함수들 중에서 가장 보편적으로 사용되는 Log-normal함수, Gamma함수, Weibull함수, Rayleigh함수를 확률 밀도 함수로써 적용하여 보았다. 여기서 각 확률 밀도 함수의 모수 측정 방법은 최우추정법(MLE : maximum likelihood estimation)으로 하여 가장 좋은 확률 밀도 함수를 찾고, 기존의 최소자승법(LSE : least square estimation)으로 구한 Weibull함수[15], Rayleigh함수[17]와도 적합도 검정을 통하여 비교하여 가장 적합한 수학적 모델을 선정하고자 한다. A model for the software reliability estimation about the software error detection rate for establishing an efficient test completion times, an efficient test strategy plans and an economical system acceptance times are presented in this paper.
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Spatial Prediction with Elliptical Errors
김성호 안양대학교 1999 논문집 Vol.18-19 No.-
This paper showed that the Bayes predictive likelihood with Elliptical error model is same as the one with Normal error under the continuous random surfaces set up as the simplest spatial statistical model.
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청력보존을 위한 부분 미로절제술을 이용한 경추체 접근법 : 수술수기 및 증례보고 Technical Note and Case Report
김성호,남부현,염진영,송시헌,김윤 대한신경외과학회 1996 Journal of Korean neurosurgical society Vol.25 No.8
The transpetrosal transtentorial supra- and intratentorial combined approach has been used by many skull base surgeons for the total removal of large tumors in the cerebellopontine, petroclival and dumbbell-shaped mass of the middle and posterior cranial bases. When surgeons use the retrolabyrinthine approach for hearing preservation, adequate exposure of the presigmoid dura might be hard to achive. In order to get a wider operating field with hearing preservation, the authors used the transpetrosal approach with partial labyrinthectomy for a large derrnoid cyst in the cerebellopontine angle which extened to the middle cranial base through the Meckel's cave.
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경사제 피복재의 안정성 해석에 대한 정적 신뢰성 모형의 비교
김성호,이철응 江原大學校 産業技術硏究所 2004 産業技術硏究 Vol.24 No.A
Static reliability models are introduced to analyze the armor stability of rubble-mound breakwaters. Contrasted to the deterministic model, reliability models can estimate the probability of failure directly and calculate the influence of each design variables quantitatively . Thus, it can be possible to design armor units of the rubble-mound breakwaters rationally. In this study FMA(First-order Mean-value Approach). FDA(First-order Design-value Approach) and AFDA(Approximate Full Distribution Approach) of Level Ⅱ approach of static reliability methods are used to analyze the armor stability of rubble mound breakwaters. The limitations and applications of each approach are studied straight-forwardly.
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