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간세포암의 고주파 열치료 후 천자침 경로를 통한 전이 1례
조영완,박석주,진한영,김준영,이재익,강명주,박정하,윤정희,박성재,지삼룡,이연재,이상혁,설상영 인제대학교 2006 仁濟醫學 Vol.27 No.-
Radiofrequency ablation(RFA), as a form of minimally invasive therapy for hepatocellular carcinoma, has become an important treatment modality. Because of limitation of surgery, RFA has become standard therapy for hepatocellular carcinoma in some situations. But there are some complications of RFA such as bleeding, infection, hematoma, adjacent organ thermal damage including intestinal perforation, needle track seeding, and so on. There are few reports in the literature that systematically evaluate the incidence of needle tract seeding and its associated risk factors. And only 2 cases of needle tract seeding of hepatocellular carcinoma after RFA were reported in Korea. We report a case of needle tract seeding of hepatocellular carcinoma after RFA.
라운드 리클라이너 개발을 위한 정적 강도 해석 및 안전성 평가
정윤구,임재규,김형종 江原大學校 産業技術硏究所 2004 産業技術硏究 Vol.24 No.A
Seat is one of the most important part of an automobile for passenger's safety especially when an accident happens. A recliner is a part of the seat assembly, having the function of adjusting the back-plate angle of a seat. Recently, many kinds of vehicles have adopted the round recliner module rather than the conventional types of recliners because of its broad compatibility and structural simplicity. In this study a two-dimensional finite element strength analysis has been performed using a commercial code ABAQUS/Standard for the purpose of developing a new round recliner model. The loading condition for the analysis is the same as the FMVSS 301 regulation. The finite element result for the round recliner has been compared with that for the conventional type.
( Jae Won Byun ),( Kyung Hyun Lee ),( Ha Young Kim ),( Soon Seek Yoon ),( Ji Youl Jung1 ),( Woo Seog Jeong1 ),( Jae Ku Oem ),( Jong Soo Lim ),( Myoung Heon Lee ),( You Chan Bae ) 한국예방수의학회(구 한국수의공중보건학회) 2013 예방수의학회지 Vol.37 No.1
Nine cattle among 18 in a native Korean herd died or were euthanized within 3 days. The affected cattle showed cowshed. The pigs and dogs had been fed leftover food originating from nearby restaurants, and the cattle could presumably reach the contaminated food in the pig troughs. Necropsy revealed a few chicken bones and red pepper pieces as well as large amounts of grain and rice straw hay mixed in the rumen. Botulism type D was isolated in the ruminal contents of one of the cattle. We speculated that the outbreak was associated with the cattle incidentally eating presumably contaminated leftover food from the pig trough.
지구차원에서 도심건축물의 개발규모 관리방식에 관한 국제비교 연구
정동섭,양윤재,이정형 대한건축학회 2005 대한건축학회논문집 Vol.21 No.3
The purpose of this study is to analyze the methods of the Building Envelope Design in foreign cities. The Study is especially focused on the Integrated Control Methods of Building Envelope Plan as District Level in a commercial area. In generally, There have been the methods to control development density such as FAR, BCR, Building Height to manage efficiently urban land-use in district Level. However, each element of the methods has been separately adapted to urban management plans, Urban Design Guidelines, District Detailed Plans, and even Zoning. Moreover, there have been suggested some limits to adjust them to control the contemporary building density and form. Therefore, this paper defined the concept of the Building Envelope Design Control, sorted it out the guideline elements and suggested the control methods through the comparative analysis of the Envelope Plan of foreign cities.
정지용,윤나라,강대웅,오종찬,장재현,선길홍,박경희,정종훈,김현리 朝鮮大學校 附設 醫學硏究所 2005 The Medical Journal of Chosun University Vol.30 No.1
Aplastic anemia is a disease characterized by pancytopenia in the peripheral blood and hypocellular bone marrow with the fatty infiltration. The causes of the acquired aplastic anemia were usually related to drugs and immune-related diseases. A 34-years old man was admitted due to general weakness. He has been going hemodialysis for 2 years because of end stage renal disease (ESRD) due to chronic glomerulonephritis. At admission, laboratory tests showed hemoglobin 6.2 g/dL, hematocrit 18.0 %, WBC 5,710mm (neutrophil 71.8%, lymphocyte 19.1%, monocyte 5.9%), reticulocyte 1.9%, platelet 93,000/mm, Fe 12.8 ug/dL, TIBC 204 ug/dL, ferritin 941.47 ng /ml, haptoglobin 0.72 g/L, vitamin B12 508.17 pmol/L, folate 24 ng/mL, total protein 6.54 g/dL, albumin 3.76 g/dL, Alk. pohsphatase 79 IU/L, AST 30.0 IU/L, ALT 39.7 IU/L, total bilirubin 0.57 mg/dl, BUN 79.4 mg/dl and creatinine 10.18 mg/dl. Peripheral blood smear showed the normocytic normochromic anemia with anisocytosis. Anemia was diagnosed but it was irresponsive to the recombinant human erythropoietin (EPO) and blood transfusion. In the bone marrow aspiration smear were there the hypoplastic myeloid and erythroid precursors. The bone marrow biopsy section showed the hypoplasia of all components (10-20%) and the fatty infiltration. We have experienced one case of the idiopathic aplastic anemia in a patient going through hemodialysis and we just report it with documentary records. 저자들은 혈액 투석 중인 환자에서 약물, 면역계 이상등의 원인을 발견할 수 없었음에도 재생 불량성 빈혈이 발생한 1예를 경험하여 문헌 고찰과 함께 보고하는 바이다.
공복 시 Caffeine 투여 후 일회성 운동이 흰쥐의 인슐린 및 골격근의 GLUT-4 발현에 미치는 영향
정일규,오명진,김영표,김종오,윤재석,서태범,윤진환 한국스포츠리서치 2004 한국 스포츠 리서치 Vol.15 No.5
This study was done to investigate the effects of caffeine ingestion on the expression of GLUT-4 in rats' skeletal muscle(soleus m) and blood insulin level after 12 hr fasting condition and one hour treadmill running. Total 19 rats(Sprague-Dawley) who were 7week Did were used for experimental subjects and raised for 1week in the room controled the air temperature and relative humudity(22℃ and 50%). They were divided three groups ; 12hr fasting group(F group, n=5), fasting+exercise group(FE, n= 7) and fasting+caffeine+exercise group(FCE group, n=7). FG and FCE group performed treadmill running for one hour and the treadmill speed was 18m/min that was supposed to be moderate exercise to rats. Each Dr rats in FCE group was forced to he given the caffeine solution(5mg/kg, Sigma Chemical co.) through stainless steel tube directly to their stomachs one hour before treadmill exercise. Immediately after treadmill running, we anesthetized them with the mixed solution(Ketamin 80g/kg and Rompun 5ml/kg) to draw 3ml blood from heart four insulin analysis and then obtained the rats' soleus muscle for GLUT-4 expression. We found that FCE group showed significantly higher GLUT - expression then the other groups and FE group showed the lowest GLUT-4 expression. This rusults suggest that the endurance type of exercise in fasting condition inhibit the GLUT-4 expression in working muscle and the caffeine helped to facilitate the GLUT-4 expression during endurance type of exercise. The future studies needed to confirm the action of caffeine to increase the GLUT- 4 and the mechanism.
도시노후지역에서 이해 관계자의 특성에 따른 정비방식의 효과성 분석과 적용가능성에 관한 연구
정동섭,배웅규,양윤재 대한건축학회 2005 대한건축학회논문집 Vol.21 No.3
The purpose of this study is to suggest the alternative methods of the improvement of residential environment, focusing on the Incumbent Upgrading, through the participation of the interested parties in a site. One of the critical issues in the improvement of the residential area is re-dwelling of the tenant. However, there has not been considered it in the design process. At the results of those kinds of residential developments, there have resulted in side-effects, disharmonious of either urban landscape or urban grain, the lack of Infra-structure, and even effected on a negative influence in terms of social aspects such as free-rider, unequal distribution of development profit, and so on. Consequently, this study focused on the design solution for the improvement of a residential area considering the grain, the tenant, and defined the effectiveness of the alternatives by comparing it with existing design approaches in the aspects of physical factors.
일시적인 피질맹과 인지기능장애로 발현한 간성 뇌병증 1예
윤고운,박민정,박경원,차재관,김재우 대한치매학회 2003 Dementia and Neurocognitive Disorders Vol.2 No.2
A 55-year-old woman presented with transient cortical blindness and multiple cognitive impairments as initial symptoms of hepatic encephalopathy. Her past history was negative for chronic liver disease or gastrointestinal bleeding. Neurologic examinations showed bilateral visual loss with a normal pupillary reflex to light and neuropsychological test showed significant impairments in all cognitive domains. Laboratory tests revealed increased liver enzymes, ammonia level, and positive IgG HbcAb. Ultrsonography of the liver showed findings consistent with liver cirrhosis with splenomegaly. The visual evoked potential study resulted in no wave formation on both sides. T1-weighted brain MRI showed high signal intensity lesions in both globus pallidus and cerebral peduncles of the midbrain. After treatment with lactulose, cortical blindness and cognitive dysfunctions disappeared within several days. In rare cases of hepatic encephalopathy, cortical blindness with cognitive impairments may occur before alteration of consciousness and usually recovers following treatment of the hepatic encephalopathy.
2차원 및 3차원 초음파를 이용한 태아표면의 해부학적 선별 검사에 관한 연구
윤석범,이해혁,이정재,최경훈,이순곤,이임순,이권해 순천향의학연구소 1998 Journal of Soonchunhyang Medical Science Vol.4 No.2
Objective : Our purpose of this study was to determine the clarity and consuming time of fetal surface screening in thirty-eight fetuses from 24 to 32 weeks of gestation by use of two and three-dimensional ultrasonography. Methods : From May 1998 to July 1998, we performed the fetal surface screening of the fetal face, extremities, and spine. Thirty-eight fetuses of 24-32 weeks of gestation (thirty-seven normal fetuses and one abnormal fetus) were studied by use two-dimensional (AI 5200S, 3.5-5.0MHz; Acoustic Imaging Technologic Cooperation, U.S.A.) and three-dimensional ultrasonography (Volusion 530D, 3.5-5.0 MHz ; Kretz-Medicine, Korea). On the fetal face, we evaluated both orbits, nose, lips and brow. Both hands and feet, five digits and toes should be seen in this study. We evaluated cervical spine and lumbosacral junction of the spine. Results : The maternal average age of 38 patients was 29.9 years and the average gestational age was 29.7 weeks. The results of fetal surface screening were as follows : face (both orbits 89.5%, lips 92.1%, nose 92.1%, and brow 89.5%), extremities (both hands 68.4% and feet 73.7%), and spine (cervical spine 94.7% and lumbosacral junction 97.4%) by use of two-dimensional ultrasonography. By use of three-dimensional ultrasonography, results were as follows : face (both orbits 76.3%, lips 81.6%, nose 81.6%, and brow 78.9%), extremities (both hands 76.3% and feet 78.9%), and spine (cervical spine 71.1% and lumbosacral junction 73.7%). Consuming time for two-dimensional ultrasonography were 4.7 minutes for face, 11.6 minutes for extremities, and 5.7 minutes for spine. Using three-dimensional ultrasonography results were 12.8 minutes for face, 17.9 minutes for extremities, and 11.7 minutes for spine. Average consuming time of all fetal anatomic screening was 22.0 and 42.4 minutes by use of two and three dimensional ultrasonography. In one abnormal fetus had cleft lip and polydactyly of right foot which were detected all by three-dimensional ultrasonography, but we couldn't detect the polydactyly by two-dimensional ultrasonography. Conclusion : Three-dimensional ultrasonography was more time-consuming method, but we suggested that three-dimensional ultrasonography was superior than two-dimensional ultrasonography in fetal surface screening.
양측 하악과두 골절에 대한 관혈적 정보술후 나타난 근약화와 시력장애 : 증례보고
정기훈,신용길,김태열,신재명,윤규호,전인성 대한악안면성형재건외과학회 2000 Maxillofacial Plastic Reconstructive Surgery Vol.22 No.6
The condylar fracture show high occurrence rate in the following of symphysis and angle, because it is easy to have concentration of outer pressure due to its long and narrow anatomical shape and mouth opened state when trauma is attacked. For the clinical findings, there are trismus, opening deviation, mal-occlusion and open bite The classification of condylar fracture is varied due to the location of condylar bone fragment, fracture site. There are conservative and surgical methods for treatment modalities. Because of many advantages, conservative method is widely used it has no particular limits of treatment adjustment but the cases of absolutely surgical correction indication are easily found in clinical experience. Although many methods are suggested for treatments of condylar fracture, there are no particular surgical methods for precise reduction due to difficult accessibility in high condylar neck fracture. For precise reduction of condyle, we used Nam's method. However, in Nam's method, because condyle is fixed when once it is kept off externally reduced in avascular state, so complication such as condyle resorption is pointed out as a problem. In our clinic, we obtained some knowledge by treating a patient who had muscle weakness and vision disorder after temporary airway obstruction follownig the both condylar fracure operated using Nam's method, so here we reported the case with a study of documents.