• Journal of Chest Surgery
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• v.30 no.10
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• pp.1001-1004
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• 1997

Thoracic sympathectomy is the radical and definite treatment of palmar hyperhidrosis. From January 1992 to March 1997, 4 patients with recurrent hyperhidrosis underwent resympathectomy via VATS at the Department of General Thoracic and Cardiovacular Surgery, Young Dong Severance Hospital. There were 2 men and 2 women and mean age was 20.0 years. There were moderate to severe adhesions at previous resection site but no thoracotomies were performed. There was no sweating on palms in all cases and all patients were greatly 5,Btisfied with those results postoperatively. In conclusion, recurrent hyperhidrosis was successfully treated with resympathectomy via VATS. In order to prevent recurrence and minimize the postoperative complication, the proper localization of the 2nd sympathetic ganglion and the radical excision of anatomical variation including Kuntz fiber are needed.

• The korean journal of orthodontics
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• v.26 no.5 s.58
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• pp.637-645
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• 1996

In non-growing Class III malocclusion, the critical aspects which determine the need of orthognatic surgery are the severity of skeletal discrepancy, incisor inclination, overbile and soft tissue profile. Two-jaw surgery is more effective in correcting severe sagittal, vertical, transverse skeletal discrepancies and facial asymmetry. And more esthetic and stable profile can be achieved by two-jaw surgery Some midfacial deficiency Patients can be treated by Pyramidal Le Fort II osteotomy to maintain infraorbital rim and malar complex and to advance nasomaxillary complex. Others who require advancement of infraorbital rim and malar complex can be treated by quadrangular Le Fort II osteotomy. On the following cases, patients who had represented midfacial deficiency and mandibular prognathism were treated with combined orthodontic-surgical therapy by Le Fort II osteotomy and BSSRO.

• Proceedings of the Korea Contents Association Conference
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• 2011.05a
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• pp.267-268
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• 2011

본 연구에서는 유한요소 해석 방법을 이용하여 경추 유한요소 모델을 개발하고, 척추 인공디스크 수술 후 경추 분절의 생체역학적 특성을 평가하였다. 반구속 및 비구속 개념의 인공디스크가 삽입된 경추 유한요소 모델의 제 7 경추체를 완전히 고정시키고 추적 경로 방향의 50 N의 압축력을 가한 상태에서 1 Nm의 굴곡과 신전, 측면 굴곡, 비틀림 모멘트를 가하였다. 모든 방향의 하중 조건에서 인공디스크가 삽입된 경추 모델들의 회전량이 정상 경추 모델의 회전량에 비하여 크게 나타났다. 또한 인공디스크를 삽입한 운동 분절에서 정상에 비하여 후관절의 접촉력과 여섯 가지 주요 인대에 걸리는 응력이 높게 나타났다. 본 연구의 결과는 척추 인공디스크 수술 시 수술 방법의 선택뿐만 아니라 새로운 경추 수술용 임플란트 개발을 위한 인체정보 콘텐츠를 구축하는데 유용하게 활용될 수 있을 것으로 기대된다.

• Journal of Chest Surgery
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• v.43 no.2
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• pp.180-183
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• 2010

Submitral left ventricular aneurysm (SMLVA) is a rare disease entity that exclusively occurs in the black population. We herewith report on a surgical case of SMLVA in a 68-year-old male who presented with ventricular tachycardia. He underwent surgical repair under standard hypothermic cardiopulmonary bypass. In the state of apical elevation, a vertical ventriculotomy was made directly over the aneurysm, which was located at the posterobasal aspect of the left ventricle. Radiofrequency ablation was performed on the endocardium all around the neck of the aneurysm and then patch endoaneurysmorrhaphy was carried out with particular care not to injure the mitral valve and subvalvular structure. His postoperative recovery was uneventful. There has been no dysfunction of the mitral valve or recurrence of the ventricular tachycardia at 2 years' follow-up.

• The Journal of the Korean dental association
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• v.25 no.5 s.216
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• pp.405-405
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• 1987

• The Journal of the Korean dental association
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• v.38 no.6 s.373
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• pp.494-497
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• 2000

• Journal of the Korean Academy of Esthetic Dentistry
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• v.14 no.1
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• pp.39-44
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• 2005

• The Journal of Korean Society for Radiation Therapy
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• v.10 no.1
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• pp.148-150
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• 1998

• The Optical Journal
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• s.145
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• pp.30-30
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• 2013

캐논코리아컨슈머이미징(대표 강동환)이 지난 5월 6일 서울 중구 사회복지공동모금회에서 캐논코리아컨슈머이미징 강동환 사장과 사회복지공동모금회 김주현 사무총장, 한국실명예방재단 신언항 회장이 참석한 가운데 국내 아동 및 청소년의 개안 수술비를 지원하기 위한 사회공헌활동 협약을 체결했다.

• Journal of Korean Neurosurgical Society
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• v.29 no.8
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• pp.1030-1036
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• 2000

Objective : The aim of this study was to retrospectively analyze the safety and effect of Linac based Photon Knife Radiosugery System(PKRS) for treatment of cerebral arteriovenous malformation. Patients and Methods : The authors analyzed the clinical method and results of ten patients who were followed up more than two years, among the 18 patients who had radiosurgery on arteriovenous malformation from June, 1992, to Dec. 1997, with Linac based Photon knife radiosurgery system(PKRS) which was developed in our hospital. Results : The average age of the patients was 30.4(with the range of 13-49), and the sex was seven males and three females. For the initial clinical symptoms, there were five patients with headache, three with seizure, one with hemiparesis, and one with vomiting. Before the radiosurgery, computed tomography, MRI, and cerebral angiogram were done. For the location of arteriovenous malformation, it was found on six patients of cerebral hemisphere, two of thalamus, one of brainstem, and one of corpus callosum. Regarding the size of nidus, there were seven patients of smaller than 3cm, and three patients of larger than 3cm. Computed tomography, MRI, and cerebral angiogram were done periodically for sixth months, first year, and second year after the radiosurgery of PKRS for the completeness of obliteration. Six cases showed complete obliteration, and four partial obliterations were observed among ten cases, and interestingly, six cases of complete obliteration were observed among seven cases of small AVM of smaller than 3cm(the rate of complete obliteration : 85.7%). All patients tolerated the treatment and no significant complication were seen. Conclusion : In this study, linac based radiosurgery using PKRS onto arteriovenous malformation showed excellent effects, therefore authors believe that it is an ideal method for small sized or deep seated AVM.