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사건 기반 성능 가시화 시스템을 위한 문제 중심의 추적 인터페이스
김정선(Kim Jungsun),김정훈(Kim Cheong Hoon),지동해(Chi Donghae) 한국정보과학회 1995 한국정보과학회 학술발표논문집 Vol.22 No.2B
본 고에서는 개방성, 이식성 및 확장성을 갖는 성능 가시화 시스템(performance visualization system)의 개발을 위하여, 성능 가시화 시스템의 핵심 요소인 인스트루멘테이션 (instrumentation) 모듈과 가시화(visualization) 모듈의 접속부를 정의하는 RDL/PAL 인터페이스를 제시하였다. RDL(Record Description Language)은 레코드 기술 언어로서 임의의 사건 추적 양식을 논리적으로 명세할 수 있도록 하여 주며, PAL(Problem-oriented trace Access Library)은 논리적 추적 양식을 바탕으로 추적 데이타에 대한 문제중심의 엑세스 방법을 제공한다. RDL/PAL 인터페이스는 물리적 추적 양식에 의존하므로써 발생하는 개방성, 이식성 및 확장성이 결여 되는 문제점들을 극복할 수 있는 해결책을 제시하여 준다.
테이블 이동간격 정확도와 위치확인 영상의 정확도 시험용 팬텀의 제작 및 유용성
김선기(Sun Ki Kim),김정훈(Jeong Hoon Kim),서동수(Dong Soo Suh),하동윤(Dong Yoon Ha),임청환(Cheong Hwan Lim) 대한CT영상기술학회 2006 대한CT영상기술학회지 Vol.8 No.1
Purpose In quality control of computed tomography, a film or ruler is used for patient table incrementation test, and crossed large needle for scout localization view test. However, the methods using these instruments can take a low confidence level for scatter ray, careless manufacture, etc. This study is to lift confidence level and simplicity by a new made phantom. Materials & Methods A phantom to measure table incrementation accuracy and scout localization view together was made in our institute. We made a comparative analysis of results by a film, ruler for a experiment of sliding distance of patient’s table and a 18G needle for scout localization view with a new made phantom. Results In a experiment of table incrementation accuracy, the new made phantom with scale showed a more sharpness and simplicity than a method by a film or ruler. In also a experiment for scout localization view, this new phantom with X shape marker showed a more sharpness. Conclusion For experiment of patient table incrementation test and scout localization view in quality control of computed tomography, method by a standardized phantom show higher confidence level and simplicity than film or ruler, and a 18G needle.
김중규(Joong Kyu Kim),안병권(Byung Kweon Ahn),김정훈(Cheong Hoon Kim),구윤회(Yoon Hoi Koo) 대한두경부종양학회 1997 대한두경부 종양학회지 Vol.13 No.1
Total thyroidectomy has been advocated as the treatment of choice for most well differentiated thyroid carcinomas. Many surgeons have an aversion to total thyroidectomy, however, because of an allegedly high frequency of complications as compared with those resulting from other operation methods. In this report we reviewed our experience with 37 consecutive total thyroidectomy(January 1995 to December 1996). The clinical features are similar to other studies. The sex ratio is 1 : 3.1(M : F), third decade occupies 33% of cases. The anterior neck mass is the most frequent symptom(95%). In the duration of symptom, 35% of patients was within 3 months. Thirty five cases are cancer, and two cases are Hashimoto's thyroditis. The papillary carcinoma is the most common pathologic type(86%). Total thyroidectomy was done in 20 cases, and total thyroidectomy with modified neck dissection was done in 17 cases. The five postoperative complications occurred in 3 patients among 37 patients: postoperative bleeding in 1, transient hoarseness in 2, transient hypoparathyroidism in 2. Thirty four cases received I(131) scan and therapy, two cases received thyroid hormone replacement, and one case received chemotherapy. We think that total thyroidectomy can be done without additional risk compared with other thyroid operation methods, with meticulous and careful surgical technique.
강화정,강상철,정지열,조숙희,노인순,이주명,정종태,김정훈,안민찬,배종희,김재훈,Kang, Hwa-Jung,Kang, Sang-Chul,Jung, Ji-Youl,Jo, Suk-Hee,Roh, In-Soon,Lee, Joo-Myung,Cheong, Jongtae,Kim, Jung-Hun,An, Min-Chan,Bae, Jong-Hee,Kim, Jae-Hoon 대한수의학회 2008 大韓獸醫學會誌 Vol.48 No.3
A 10-year-old female Yorkshire terrier with the clinical signs of nasal swelling, epistaxis and nasal discharge was presented to the Veterinary Teaching Hospital in the Cheju National University. Abnormal nasal mass was detected in physical examination and radiographic findings. After surgical excision, the sample of nasal mass was referred to Pathology Department of Veterinary Medicine. Grossly, the mass was soft, friable, and $2.5{\times}4cm$ cm in size. Histopathologically, the mass was composed of mediumsized non-keratinizing columnar to polyhedral cells arranged in anastomosing ribbon and large nest. It has complex in-folding of thick epithelial layers separated by fibrovascular septa. Tumor cells showed characteristic palisading arrangement of columnar cells, and perpendicularly distributed to the basement membrane. The cells had pale basophilic cytoplasm, oval nucleus and one or more nucleoli, and indistinct cellular border. Many tumor cell emboli were presented in lymphatics. Immunohistochemistry revealed that tumor cells were cytokeratin (CK) 19 and CK clone MNF116 positive and but CK7 and CK high molecular weight negative. Based on the gross, histopathologic, and immunohistochemical findings, the mass was diagnosed as transitional carcinoma in nasal cavity. In our best knowledge, this is the first report of transitional carcinoma originated from transitional zone of canine nasal cavity in Korea.
한국 성인에서 폐동맥 카테테르의 삽입 길이에 관한 연구
최영균,이승건,김정훈,정순호,김영재,박진우,신치만,박주열 인제대학교 1999 仁濟醫學 Vol.20 No.1
한국 성인에서 우측 내경정맥을 통한 폐동맥 카테테르의 거치시 천자 부위에서 우심실, 폐동맥 그리고 폐쐐기압의 파형이 처음 보이는 거리를 측정하고 시간 경과 후 교정된 거리를 측정하여 폐동맥 카테테르 삽관을 위한 기준을 마련하고자 하였다. Objective : Pulmonary artery rupture, infarction and catheter knotting are infrequent but serious complications during insertion of pulmonary artery catheter. Predicting proper length of purimonary artery catheter is important for the prevention of these complications. Method: 50 patients scheduled for open heart surgery were randomly selected. We inserted pulmonary artery catheter via Rt. internal jugular vein, and measured the insertion length of pulmonary artery catheter from the puncture site to the Rt. ventricle(SV), the pulmonary artery(SP), and the pulmonary artery wedge(SW). At the end of surgery, the insertion length of pulmonary artery catheter from the puncture site to the repositioned pulmonary artery wedge (RSW) was measured. Result: The insertion length of pulmonary artery catheter from puncture site to the Rt. ventricle, the pulnlonary artery, the pulmonary artery wedge and repositioned pulmonary artery wedge were 30±3.3cm, 39±3.7cm, 46±5cm and 43±4.4cm(mean±SD)respectively. There was significant correlation between SV and patient's height (p<0.05). Conclusions : To prevent critical complications during pulmonary artery catheter insertion. It is recommanded not to advance the catheter more than 10cm unless expected wave form are appeared. After inserted spontaneous distal migration of catheter is expected, so we recommend to check pulmonary artery wave form frequently and draw it 5cm back before cardiopulmonary bypass to prevent pulmonary infarction