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내분비-대사 요근농양과 십이지장누공을 동반한 부신결핵에 의한 애디슨병
정형석 ( Hyeong Seok Jeong ),신윤영 ( Yune Young Shin ),김지현 ( Ji Hyun Kim ),이정민 ( Jung Min Lee ),장상아 ( Sang Ah Chang ) 대한내과학회 2016 대한내과학회지 Vol.90 No.4
An 80-year-old male with nausea and poor oral intake was referred for evaluation of hyponatremia. Primary adrenal insufficiency was diagnosed by a rapid adrenocorticotropic hormone (ACTH) stimulation test. The cause of the adrenal insufficiency was revealed to be adrenal tuberculosis presenting as a bilateral adrenal mass on computed tomography imaging. During the first few months of treatment, the size of the tuberculous mass increased and spread to an adjacent area, and further adrenal hormone replacement was needed. In addition, there was a newly developed tuberculous abscess in a nearby psoas muscle with a duodenal fistula. Thus, we report a case of a long-term clinical course of Addison`s disease with changes in hormone replacement as a result of active adrenal tuberculosis, together with a review of the literature. (Korean J Med 2016;90:351-356)
이상일(Sang-Il Lee),이재원(Jaewon Lee),이관중(Kwanjung Yee),오세종(Sejong Oh),정형석(Hyeong Seok Jung),김대진(Dae Jin Kim) 한국항공우주학회 2009 韓國航空宇宙學會誌 Vol.37 No.3
전자광학추적장치의 공력특성연구를 위한 풍동시험을 수행하였다. 특히 실제 EOTS 작동중 관측부의 회전을 위한 작동기의 충분한 파워 측정을 위한 공력토크 특성을 조사하였다. EOTS의 관측창의 영향을 조사하기 위해 반구와 실린더로 이루어진 단순 모형 실험결과와의 비교를 수행하였다. 단순모형과 EOTS모형의 표면 압력을 비교한 결과를 통해 관측창의 위치에 따라 급격한 압력계수의 변화와 회전 관측부의 토크 특성에 많은 영향을 미치는 것을 발견하였다. Wind tunnel test for Electro-Optical Targeting System(EOTS) has been conducted to investigate the aerodynamic characteristics, especially the torque characteristics of the rotating parts to insure the enough actuator power during the actual operation. The influence of EOTS's complex configuration, such as the observation window, has been investigated by comparing with the results of the simplified models made of half sphere and the cylinder. It has been found that the position of the observation window of EOTS has an effect on surface pressure distribution and the torque characteristics of the rotating observation part.