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석호천,황완,박주환,김봉구,심기섭,정창준,허영호,전지수,Seok, Ho-Chun,Hwang, Wan,Park, Ju-Hwan,Kim, Bong-Gu,Sim, Ki-Sub,Jung, Chang-Jun,Heo, Y.H.,Jun, J.S. 한국원자력학회 1990 Nuclear Engineering and Technology Vol.22 No.4
As a principal design of advanced CANDU fuel bundle, CANDU-KF39, CANDU-KF40 and CANDU-KF43 fuel bundles were proposed and evaluated with respect to the operating conditions of the CANDU-6 reactor of Wolsung Unit-1. From the results, the advanced fuel bundles show to be improved economical and technical benefits compared with the current 37-element bundle. Especially, it was appeared that the KF-39 fuel bundle has more benefits of the safety, technical and economical aspects of Wolsung Unit-1 rather than those of the KF-40 and KF-43 fuel bundles.
진단방사선 일반촬영에서의 X-ray Beam Collimator 사용 전국 실태조사
김지혜,성동욱,김정욱,신진호,이순근,정경일,엄종권,이기남,성호진,김윤현,김혁주,Kim, Jee Hye,Sung, Dong-Wook,Kim, Jeong Wook,Shin, Jin Ho,Lee, Soon Keun,Jung, Kyung Il,Uhm, Jong Kwan,Lee, Ki Nam,Seong, Ho Jin,Kim, Youn Hyun,Kim, Hyeog J 한국의학물리학회 2013 의학물리 Vol.24 No.2
방사선 검사에서 CR, DR의 도입으로 인해 X-선속 조사야의 사용이 경시되고 있는 실정이다. 일반방사선 검사에서 검사 부위별 조사야를 적절히 사용하고 있는지에 대해 현장 실태 조사와 설문 조사하고, 조사야의 기준의 필요성을 강조하며 표준 조사야를 제시하고자 한다. 서울, 경기도, 전라도, 충청도, 강원도, 부산 지역 총 333개 의료기관을 대상으로 X-선속 조사야의 사용 실태를 현장 조사하여, 검사부위별, 의료기관종별, 영상종류별로 조사야 조절의 사용 여부를 분석하였다. 또한 조사야 조절이 방사선피폭에 미치는 영향과 인식을 평가하기 위해 종합병원 10곳, 병원 10곳, 의원 10곳의 일반촬영실에 근무하는 168명의 방사선사를 대상으로 X-선속 조사야 조절이 환자피폭선량 저감화에 끼치는 영향에 대한 인식, 조사야 조절 방법과 실제 사용하고 있는 검사부위별 X-선속 조사야 크기를 설문 조사하였다. 검사부위별 적합한 조사야을 사용하고 있는 의료기관은 61.3%이었으나, 주요 장기가 밀집된 요추 검사의 경우에는 적합한 사용이 49.9%에 불과하였다. 의료기관종별에서는 종합병원이 약 69%, 영상종류별로 보면 DR을 사용하는 병원의 65.0%에서 적합한 조사야을 사용하였다. 설문 조사에서는 응답자의 97.6%가 조사야 조절이 환자에게 끼치는 선량을 줄일 수 있다고 인식하고 있었으나, 실제로 부위별 X-선속 조사야의 크기를 조절하여 검사하는 경우는 83.3%이었다. 일반방사선 검사에서 적절한 조사야를 사용하는 경우가 실태조사를 통해 낮게 나타났으며 이는 환자에 대한 방사선 피폭선량을 줄이기 위한 노력이 시급히 필요하며, 조사야에 대한 통일된 표준 규격이 필요하여 철저한 교육이 동반되어야 한다. Due to the introduction of CR and DR, it has been neglected the use of the X-ray beam collimator and field size. This study examines nationwide survey of the proper use of collimator and field size by area in a specific field of plain radiography and the current status. Authors emphasized the need for the field size criteria, and propose a standard reference field size in each specific radiologic examination. Total 333 medical institutions (included in Seoul, Gyeonggi-do, Jeolla, Chungcheong, Gangwon-do, Busan area), were investigated in relation to the status of the X-ray beam collimation field size, type specific inspection areas, medical facilities, and image analyses by type to figure out whether they use the adjustment of image field to the specific examination. To assess the awareness and the impact of radiation exposure to the collimation adjustable, 168 radiographers who was working in 10 general hospitals, 10 hospitals, and 10 clinics, were surveyed how they haver adjusted the actual field size. We examine that 61.3% of medical institutions used the "Proper collimation" and only 49.9% of them employed proper one in lumbar spine densely crowded by major organs. 69% among general hospitals, and 65% among hospitals using DR system were using proper collimation. Radiographers recognized that proper adjustment of collimation could reduce the harmful radiation dose on patients. In the survey, 97.6% of respondents were aware of this fact, but only 83.3% of respondents did the adjustment of the size of the collimation field. The using of proper collimation field was low in the nationwide survey, so the effort to reduce the radiation dose on the patients is urgently needed. A unified standard for the field accompanied by thorough education should be needed.
두경부 감염증에 나타난 내경정맥혈전증의 장기적 추적 결과:
진임건(Im-Geon Jin),강문호(Moon-Ho Kang),황종민(Jong-Min Hwang),정해석(Hae-Seok Jeong),이의룡(Ui-Lyoung Lee),명훈(Hoon Myung),황순정(Soon-Jung Hwang),최진영(Jin-Young Choi),이종호(Jong-Ho Lee),정필훈(Pill-Hoon Choung),김명진(Myung-J 대한구강악안면외과학회 2007 대한구강악안면외과학회지 Vol.33 No.3
Abscesses are common in the oral and maxillofacial area. However, secondary thrombosis of the internal jugular vein accompanying the primary abscess is rare. In 1936, Andre Lemeierre studied 20 patients who showed an initial oropharyngeal infection, septicemia, internal jugular vein thrombosis, and secondary spread of the infection, and after then this condition Lemierre syndrome. Clinically, these patients present with tonsilitis lasting several days, continuous fever, and cervical pain. In the past, ligation and excision of the internal jugular vein was often performed. Current therapeutic modality for this condition is appropriate antibiotic prescription and surgical drainage of abscess. This case report presents a patient who showed symptoms of Lemierre syndrome, initiated as an oropharyngeal infection then developed thrombosis of the internal jugular vein. This patient was admitted into Seoul National University Dental Hospital. In addition to routine antibiotic therapy, surgical incision and drainage of the infection site was performed. Without ligation or excision, the thrombosed IJV disappeared eventually. As the Lemierre syndrome is not a common disease, this case report and review of the literature would be useful regarding a treatment of patients with Lemierre syndrome.