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김성택,오창진,홍승관,문명선 대한신경외과학회 1991 Journal of Korean neurosurgical society Vol.20 No.8
The authors retrospectively analyzed the MRI findings of the 8 head-injured patients who had showed persistent unconsciousness and severe neurologic deficite after trauma. T2-weighted MR images disclosed high signal intensity lesions of various size and shape at lobar white matter and corpus callosum, subcortical gray matter, brain stem, and cerebral cortex, and assisted greatly in understanding the neurologic deficits of the corresponding patients. The lesions were mostly multiple and involved multiple structures CT's revealed in those patients only small hemorrhages, suspicious low densities, such nonspecific findings as slit ventricles and diffuse brain atrophy, or no abnormality at all. Post-traumatic parenchymatous lesions detected by MR images were either missed or quite underestimated on CT's. MRI was very superior to CT in the detection and anatomic localization of nonhemorrhagic intraaxial cerebral injuries, especially in the cases of small cortical contusions. CT is indicated in order to fastly detect intracranial hematomas which may need emergent surgical evacuation. If CT findings does not explain the neurologic degicits of the patients, especially in the late stage. MRI is indicated, MRI is expected to play a major role in the diagnosis of shear injuries involving white matter and brainstem where CT has been of little contribution or misleading.
문화지형체계 읽기를 위한 '토포스'의 새로운 정의와 방법론적 가능성
김성택 한국프랑스학회 2013 한국프랑스학논집 Vol.81 No.-
Cet article se propose d'exposer pour la lecture du topographisme socio-culturel une nouvelle définition des topoï et ses possibilités méthodologiques. La notion de topos, dont le nom nous vient d'Aristote, se redéfinit depuis un certain temps selon la Théorie de l'argumentation dans la langue, formulée par Anscombre et Ducrot. Ils supposent préalablement que la base topique de la langue fonctionne d'après la règle inférentielle à caractère graduel : “Plus un objet O a la propriété P, plus un objet O' a la propriété P'”. Cette forme d'opérateur argumentatif nous permet de comprendre que les concepts socio-culturels sont actualisés à l'aide de principes généraux, des lieux communs que l'on appelle des topoï. Il s'ensuit que toute langue possède des topoi à caractère de “non-nécessité argumentative”. D'ailleurs, les valeurs sociales et idéologiques nous s'imposent pour remplir cette forme argumentative des topoï̈. C'est un consensus social, un point de vue, une position, une idéologie etc. qui règnent dans le domaine de valeurs se référant aux 5 types principaux de lieux communs: lieux de quantité, lieux de la qualité, lieux de l'ordre, lieux de l'existant, lieux de l'essence. Avant de développer les possibilités méthodologiques des topoï̈, il faut mettre en revue leurs deux caractéristiques essentiels: la convergence sémantique comme thématique qui a le pouvoir de structurer et mythifier des motifs, des sujets, des thèmes et des idées contiguë̈es, et l'intertextualité qui permet aux topoï̈ une continuité et une pratique de l'“habitus”. On n'oublie pas aussi d'ajouter la possibilité d'un comparatisme entre genres, nations, civilisations et générations, ce qui nous fera enjamber une distance spatio-temporelle.
口蓋 형성시 凝集素 표현에 대한 Etretinate와 인삼 Polyacetylene성분의 상관성 연구
김성택,박선화,전용혁 고려대학교 의과대학 1995 고려대 의대 잡지 Vol.32 No.3
The effects of etretinate(Et) and polyacetylene fraction of ginseng (PA) on cell surface glycoconjugates during the palatogenesis were compared in DDY mouse embryos by using lectin histochemistry to understand the background that PA accelerates the palatomorphogenesis and reduces the induction rate and degree of malformations due to Et teratogenicity. PAS reactivity and lectin binding expressions in control embryos were gradually increased with the growth of palatal shelf proceeded and showed the highest binding affinity for RCA and WGA to the epithelia of shelf prior to elevation, while the affinity for Con A was the highest to the shelf just prior to fusion after elevation. Shelf epithelia in Et-exposed embryos revealed a significant decrease in bindings of RCA and Con A as well as PAS reactivity; whereas with maternal supplement of PA, the binding expressions of all three lectins were increased in advance with somewhat stronger comparing with those of control, and also PA protected the expressions of glycoconjugates as a control level from the adverse effect of Et on it. The results suggest that the opposite results happen to be due to Et and PA in palatomorphogenesis might be associated both with the alterations of glycoconjugate metabolism but protective mechanism of PA from Et adversity remains obscure.