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양잿물에 의한 식도협착 환자에서 편평세포암종으로 오인된 거짓상피종 증식
한장수 ( Jang Soo Han ),이상우 ( Sang Woo Lee ),서강흠 ( Kang Heum Suh ),김승영 ( Seung Young Kim ),현종진 ( Jong Jin Hyun ),정성우 ( Sung Woo Jung ),구자설 ( Ja Seol Koo ),임형준 ( Hyung Joon Yim ) 대한소화기학회 2014 대한소화기학회지 Vol.63 No.6
Pseudoepitheliomatous hyperplasia is a benign condition that may be caused by prolonged inflammation, chronic infection, and/or neoplastic conditions of the mucous membranes or skin. Due to its histological resemblance to well-differentiated squamous cell carcinoma, pseudoepitheliomatous hyperplasia may occasionally be misdiagnosed as squamous cell carcinoma. The importance of pseudoepitheliomatous hyperplasia is that it is a self-limited condition that must be distinguished from squamous cell carcinoma before invasive treatment. We report here on a rare case of esophageal pseudoepitheliomatous hyperplasia in a 67-year-old Korean woman with a lye-induced esophageal stricture. Although esophageal pseudoepitheliomatous hyperplasia is infrequently encountered, pseudoepitheliomatous hyperplasia should be considered in the differential diagnosis of esophageal lesions. (Korean J Gastroenterol 2014;63:366-368)
그리드 네트워크 자원 관리기를 위한 네트워크 자원과 네트워크 서비스 인터페이스의 정의
김해현,차영욱,한장수,김춘희,공정욱,석우진,Kim, Hae-Hyun,Cha, Young-Wook,Han, Jang-Soo,Kim, Choon-Hee,Kong, Jong-Uk,Seok, Woo-Jin 한국정보처리학회 2009 정보처리학회논문지 C : 정보통신,정보보안 Vol.16 No.4
그리드는 지리적으로 분산된 다양한 컴퓨팅 자원을 초고속 네트워크로 연결하여 고속 연산과 대용량 데이터의 처리를 가능하게 하는 기술이다. 서비스 품질이 보장되는 그리드 환경의 작업 수행을 위해서 컴퓨팅 자원뿐만 아니라 네트워크 자원의 관리와 제어가 요구된다. 본 논문에서는 그리드 네트워크 경로 및 자원의 생성과 예약을 지원하기 위하여 그리드 네트워크 자원의 정보 모델과 그리드 네트워크 서비스 인터페이스를 정의하였다. 그리드 네트워크 서비스 인터페이스에는 기존 GLIF의 자원 생성 및 예약 관련 메시지 이외에 그리드 네트워크 경로와 통보 메시지를 추가로 정의하였다. 또한, 두 단계 자원 예약 메커니즘을 지원하기 위하여 관련 상태와 메시지를 정의하였다. 그리드 네트워크 자원의 정보 모델과 그리드 네트워크 서비스 인터페이스를 이용하여 네트워크 자원 관리 시스템을 설계 및 구현하였으며, GMPLS 기반의 제어및 전달망을 갖는 그리드 환경에서 자원의 예약과 할당 및 해제를 실험하였다. Grid technology enables high performance computation and mass data processing by connecting geographically distributed computing resources to high-speed network. To carry on grid tasks requiring guaranteed quality of service, we need to build converged infrastructure which controls and manages network resources as well as computing resources. In this paper, we defined grid network service interface and information model to support grid network path, resource creation and reservation. In addition to resource creation and reservation messages of the existing GLIF, grid network path and notification messages were defined in the grid network service interface. We also defined related statuses and messages for two-phase resource reservation mechanism. We designed and implemented network resource management system based on the grid network information model and service interface. We experimented in resource reservation, allocation and release of network resources in grid environment with GMPLS control and transport network.
천식환자 및 만성 폐쇄성 폐질환환자군에서 연간 최대 호기유속의 변화량
홍성철 ( Sung Chul Hong ),이초이 ( Choi Lee ),한장수 ( Jang Soo Han ),김원동 ( Won Dong Kim ),이계영 ( Kye Young Lee ),김순종 ( Sun Jong Kim ),김희정 ( Hee Joung Kim ),하경원 ( Kyoung Won Ha ),전규락 ( Gyu Rak Chon ),유광하 ( Kwan 대한결핵 및 호흡기학회 2012 Tuberculosis and Respiratory Diseases Vol.72 No.1
Measurement of peak expiratory flow rate (PEFR) in a follow-up examination for a chronic airway disease is useful because it has the advantages of being a simple measurement and can be repeated during examination. The aim of this study was to examine the annual decrease of PEFR in asthma and chronic obstructive pulmonary disease (COPD) patients and to confirm the factors which influence this decrease. From May, 2003 to September, 2010, the annual decrease of PEFR was obtained from asthma and COPD patients attending an outpatient pulmonary clinic. PEFR was measured using a Mini-Wright peak flow meter (Clement Clarke International Ltd. UK), and we conducted an analysis of factors that influence the change of PEFR and its average values. The results showed an annual decrease of 1.70±12.86 L/min the asthmatic patients and an annual decrease of 10.3±7.32 L/min in the COPD patients. Age and FEV1 were the predictive factors influencing change in asthma, and FEV1 and smoking were the predictive factors influencing change in COPD. Conclusion: We confirmed the annual decreasing PEFR in patients with chronic airway disease and identified factors that work in conjunction with FEV1 to influence the change.
혈액투석 환자에서 혼수로 발현된 cefepime에 의한 비경련성 간질 중첩증
이초이 ( Cho I Lee ),홍미진 ( Mi Jin Hong ),홍성철 ( Sung Chul Hong ),박중희 ( Jung Hee Park ),박유진 ( Eugene Park ),한장수 ( Jang Soo Han ),김영진 ( Young Jin Kim ),이종호 ( Jong Ho Lee ),박정환 ( Jung Hwan Park ),송종오 ( Jong 대한신장학회 2011 Kidney Research and Clinical Practice Vol.30 No.5
Cefepime-induced nonconvulsive status epilepticus (NCSE) in end-stage renal disease (ESRD) patients receiving hemodialysis has only rarely been reported. Here we report a case of cefepime-induced NCSE presenting as coma in a patient with ESRD on hemodialysis. A 73-year-old man, who had been receiving maintenance hemodialysis, developed aphasia and coma during cefepime therapy for epidural abscess. Emergent eletroencephalography (EEG) revealed evidence of NCSE. The abnormal EEG findings were resolved and comatose mentality was completely recovered after cessation of cefepime and administration of anticonvulsive drugs. Cefepime-induced NCSE should be considered if neurological symptoms including comatose mentality develops during cefepime therapy in a patient with renal failure.
이상헌 ( Sang Heon Lee ),홍성철 ( Sung Chul Hong ),김소미 ( So Mi Kim ),박중희 ( Jung Hee Park ),이정화 ( Jung Hwa Lee ),박유진 ( Eu Gene Park ),김해림 ( Hae Rim Kim ),한장수 ( Jang Soo Han ),홍미진 ( Mi Jin Hong ),이초이 ( Cho I 대한류마티스학회 2011 대한류마티스학회지 Vol.18 No.4
저자들은 피부근염 환자에서 경화부종이라는 드문 피부병변이 동반되어, 메토트렉세이트와 사이클로스포린 투여로 근육염 및 피부 경화부종이 호전된 예를 경험하였기에 문헌고찰과 함께 보고하는 바이다. Dermatomyositis (DM) is rare systemic inflammatory disease with typical skin manifestations and muscular involvement. Various skin lesions can accompany this disease, such as Gottron`s sign, Heliotrope rash, mechanic`s hands, V sign and shawl sign. Scleredema is a very rare skin manifestation in DM. We report a case of DM in a 63-year-old woman, who had scleredema on her thighs. A diagnosis of DM was established by clinical manifestation, elevated muscle enzyme levels, electromyogram measures, and muscle biopsy findings. She was successfully treated with the immunosuppressants methotrexate, cyclosporine, and steroids (low dose).