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권종필,양규호 大韓小兒齒科學會 1999 大韓小兒齒科學會誌 Vol.26 No.3
골화석증은 드문 유전성 질환으로서 신체 모든 골에 걸쳐 골밀도가 증가한다.1880년 NEWMAN이 처음 보고하였고,이후 Jacksh가 언급한 바 있으나 1904년 Albers-Schonberg에 의해 체계적으로 보고되었다.골화석증은 그동안 Marmorkmochen, Albers-Schonberg disease,marble bone disease,osteopetrosis fragilis generalosata등으로 불리었다. 골화석증의 원인은 현재로서는 명확히 밝혀지지 않았지만,골조직의 정상적인 흡수작용이 장애를 받아서 상대적으로 골밀도가 증가되어 나타난 것으로 보고 있다. 골화석증은 대개 악성형인 선천형(Osteopetrosis congenita)과 양성형인 만발형(Osteopetrosis tarta)의 두가지 형태로 분류되어지며,최근에는 그 중간형태인 intermediate recessive form이 보고되었다.상염색체성 열성유전되는 선천형인 경우에는 좀 더 증상이 심하며.생후 몇 개월내에 진단된다.상염색체성 열성유전되는 만발형인 경우에는 그 증상이 훨씬 양호하여 자각증상이 거의 없을 수도 있어서 신체 다른 부위에 골절이 있을 때 여러 검사를 하다 보면 비로소 발견되기도 한다.골밀도가 계속 증가함에 따라 골수강이 기능이 저하되어 빈혈등의 혈액병이 생기며,신경주위의 골의 과다성장으로 신경학적 병변이 나타난다.또한 골의 강도가 계속 증가하여 골은 쉽게 골절된다.이러한 골절은 만발형 환자들의 첫번째 증상으로 나타나기도 한다.저자는 치아동요,치아의 조기탈락,맹출지연을 주소로 본원에 내원한 환아로서 골화석증으로 진단되었기에 이에 보고하는 바이다. Osteopetrosis is an uncommon hereditary bone condition characterized by a generalized symmetric increase in skeletal density and abnomalities of bone and resorption remodeling.In 1904,the first case of generalized scalerosis of the skelon was reported by Albers-Schonberg. Osteopetrosis is generalized divided into two main type.The infantile(malignat, congenta)type is the most severe form of the disease;It is characterized by skeletal and hematologic abnomalities.The adult(benign,tarta)type which is usually disgnosed in the third or fourth decade of life is limited predominantly to skeletal anomalies and it carries a more favorable prognosis. The recently recognized intermidiate form with its mild and variable clinical recessive trait.There is no reported gender or racial predilection. The characteristic feature of osteopetrosis which is an abscence of physiologic bone resorption results in accumulation of bone mass and mainfests skeletal disturbance. Dental finding of osteopetrosis includes delayed eruption,congenitally absent teeth,unerupted and malformed teeth,and enamel hypoplasia. Our report involves a patient with a chief complaint of tooth mobility and delayed eruption.After clinical and rediologic examination,this patient was referred to dept.of padiatrics under the suspicion of osteopetrosis and it was confirmed.
유한 요소 방법을 이용한 인간 움직임 추적에 관한 연구
丁鍾泌,魏丞廷,梁桓碩 順天靑巖大學 1997 論文集-順天靑巖大學 Vol.21 No.2
In this paper, we propose a motion of people tacking using Snakes Model. Snakes Model is an active contour model defined by an energy function in terms of the internal energy, the image energy, and the external energy. Then we can find the people contour model in the image by minimizing the energy function using Finite Element Methods. In order to increase and effect of object tracking and adaptable motion prediction, it used temporary motion information existing in an image and led to the transformating matrix from the motion tracking algorithm for the transformating process and motion of object.
홍승철,한진희,정종현,김소양,허균,이성필 大韓神經精神醫學會 1998 신경정신의학 Vol.37 No.1
저자들은 Creutzfeldt-Jacob병 1례를 경험하였기에 문헌고찰과 함께 보고하는 바이다. 환자는 약 4개월에 걸친 비교적 짧은 기간 동안 중증의 인지 기능 장애와 시각 장애, 보행장애와 하지의 약화, 불수의적 운동 등과 함께 섬망상태에까지 이르게 되어 본원 정신과에 입원하게 되었다. 정신상태 검사상, 반응시간의 지체, 언어장애와 보속증, 시간에 대한 지남력 장애, 주의 집중력 장애, 단기 및 장기 기억 장애, 추상적 사고능력 장애 등의 소견을 보였고, 이러한 증상들은 입원후 치료에도 불구하고 빠르게 악화되었다. 뇌파검사상 지속적인 다발초점성 서파가 모든 전극에서, 특히 우측 전두부에서 현저하게 나타나는 소견을 보였고, 병리조직학적 검사상 대뇌 피질에 신경손실을 동반한 해면화와 신경교 증식증을 나타냈다. 이상의 소견들은 모두 CJD의 진단에 합당하였다. We report a case of Creutzfeldt-Jacob disease and review the relevant literatures. This 56-year-old male patient was admitted to our hospital with a history of rapidly progressing cognitive dysfunction, visual disturbance, gait disturbance, weakness, involuntary movement of lower extremities, and the symptoms of delirium. On mental status examination, he showed psychomotor retardation, speech disturbance, perseveration, disorientation, impairment of short-term and long-term memory, and inability of abstract thinking. He had a rapid downhill course, along with shakiness of trunk, rigidity of the limbs, myoclonus, confusion, and finally, inability to speak or move on the bedside. On electroencephalogram(EEG), continuous multifocal show delta activities were found in all leads, especially in the right frontal areas. Brain biopsy showed, spongiosis with neuronal loss and gliosis noted at the cerebral cortex. These findings were compatible with Creutzfeldt-Jacob disease.
한·일 프로축구 관중의 경기관련 요인, 구단이미지 및 고객충성도 차이에 관한 연구
이병익,윤상화,김종필,양세명 龍仁大學校 體育科學硏究所 2003 體育科學硏究論叢 Vol.13 No.1
This study aims to analyze the differences in factors related to spectators in professional soccer matches between Korea and Japan, the image of owners having soccer teams, and audience loyalty. In this study, the audience visiting K-league or J-league matches as of 2003 are initially selected as the two groups of populations, whose final numbers are drawn to 627 persons in total, 299 in Korea and 328 in Japan, by using the stratified cluster random sampling method. For data collection, questionnaires are used showing 6570-8819 for Korean spectators and 6425-9218 for Japanese spectators in terms of reliability. With some factors staying at low coefficients, however, most of factors turn out relatively reliable. For analysis, this study uses frequency analysis and test for statistics analysis. The methods and procedures used in this study lead to the following results: First, the difference in factors related to Korean and Japanese spectators in professional soccer games are found statistically meaningful in the tolerance of 1% in terms of grounds, game conditions, admission fee, and admission promotions, all of which are lower factors of game-related factors. Second, the different image of owners having soccer teams seen by Korean and Japanese spectators are found statistically meaningful in the tolerance of 1% in terms of reliability and familiarity, both of which are lower factors of owner image. Third and the last, the difference in audience loyalty between Korean and Japanese spectators are found statistically meaningful in the tolerance of 1% in terms of possibilities of going back to later matches and calling on others for visiting games, both of which are lower factors of audience loyalty.
양종필(Jong-Pil Yang),이영배(Young-Bae Lee),이다한(Da-Han Lee),박종배(Jong-Bae Park) 대한전기학회 2021 대한전기학회 학술대회 논문집 Vol.2021 No.11
전기버스 급속충전용 팬터그래프 충전시스템 개발을 위해 IEC 61851-23, SAE J3105, OPPCharge와 같은 기존의 단체 및 국제표준들의 차이점을 분석하여 여러 방면에서의 공통점과 차이점을 비교연구한다.
( Hyo Joon Yang ),( Chang Hyun Lee ),( Seon Hee Lim ),( Jong In Yang ),( Seung Joo Kang ),( Min Jung Park ),( Su Jin Chung ),( Jong Pil Im ),( Sang Gyun Kim ),( Joo Sung Kim ) 대한내과학회 2014 대한내과학회 추계학술대회 Vol.2014 No.1
Background: This study aimed to identify the clinical characteristics and prognosis of primary gastric lymphoma detected by screening upper endoscopy in high prevalence area of Helicobacter pylori ( H. pylori) infection. Methods: Between October 2003 and May 2013, consecutive subjects who were diagnosed with primary gastric lymphoma by screening upper endoscopy were retrospectively enrolled at Seoul National University Hospital Healthcare System Gangnam Center, Seoul, Korea. Results: During the study period, a total of 101,103 subjects received 207,114 screening upper endoscopy. Among them, primary gastric lymphoma was detected in 49subjects. They were 53.0 ± 10.5 years of age, and 72.9% (35/49) were female. Histologic type of primary gastric lymphoma was predominantly (98.0%, 48/49) extranodal marginal zone B-cell lymphoma of mucosa-associated lymphoid tissue (MALT lymphoma), and one remaining case (2.0%) was diffuse large B-cell lymphoma. Initial stage was IEa in 95.9% (47/49), and H. pylori was positive in 91.8% (43/49). Among 41 H. pylori-positive patients with gastric MALT lymphoma stage IEa, H. pylori eradication achieved complete remission in 95.1% (39/41). There were three cases of recurrence with (n = 2) or without (n = 1) reinfection of H. pylori. Conclusions: Upper endoscopy as a screening for upper gastrointestinal malignancymay detect gastric MALT lymphoma in early stage, which can be successfully treated with H. pylori eradication, especially in H. pylori endemic area. For those who achieved complete remission, it is needed to undertake surveillance for recurrence.