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RISS 인기검색어
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전석구(Seok Koo Jeon),이원기(Won Kee Lee),이강욱(Kang Wook Lee),송홍석(Hong Suck Song),권건영(Kun Young Kwon) 대한내과학회 1991 대한내과학회지 Vol.40 No.2
The present study represents the first report of primary lymphoma of the testis in Korea. The patient, a 48-year-old man, complained of a rapidly growing right testicular mass. Orchiectomy revealed diffuse well-differentiated lymphocytic lymphoma. The clinical stage by Ann Arbor classification was IAE. After 4 month of 4, 500cGY of inverted Y field irradiation, a relapse was noted in the thyroid, skin, subcutaneous tissue, and soft palate. The histologic features were converted to poorly differentiated lymphocytic lymphoma. After treatment with COPBLAM combination chemotherapy, partial remission was obtained. This case supports aggressive nature of the testicular lymphoma. We recommend early brief chemotherapy in stage IE diffuse well-differentiated lymphoma.
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황석순,이헌영,전석구,남계윤,전영준 啓明大學校 醫科大學 1990 계명의대학술지 Vol.9 No.3
Broncholithiasis has been recognized in medicall literature for centuries. Because of the relative infrequency, broncholithiasis has often been neglecteed in the differential deagnosis of bronchial obstruction. In this case, we could remove the broncholith obstructing the right middle lobar bronchus with the fiberoptic bronchoscope in a 37-year old man without any complications and the complete resolution of the pneumonia was followed.
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진행병기의 폐암환자에서 혈청 Angiotensin-converting enzyme(ACE) 활성도의 변화에 관한 연구
송홍석 ( Song Hong Seog ),전석구 ( Jeon Seog Gu ),윤병현 ( Yun Byeong Hyeon ),윤덕구 ( Yun Deog Gu ),전영준 ( Jeon Yeong Jun ),김재룡 ( Kim Jae Lyong ) 대한내과학회 1990 대한내과학회지 Vol.38 No.6
N/A From March 1987 to January 1989, we evaluated the serum angiotensin-converting enzyme(ACE) in previously untreated, histologically confirmed advanced stage Ⅲ and Ⅳ) lung cancer to test the value of serum ACE activtiy in assisting the diagnosis or prognosis of the cancer. The results were as follows: 1) Serum ACE activity is not different in the male or female in both normal control and lung cancer groups. 2) Mean serum ACE activity significantly decreased in the lung cancer group compared to the normal control(15.6 vs. 20.4n㏖/min/㎖)(p<0.005). 3) Seurm ACE activity is not related to the type of histology, stage, performance status and response to treatment, but a direct correlation with serum albumin is found(p<0.01). 4) In patients with responses after chemotherapy and/ or radiotherapy, follow-up ACE activity is not different from pretreatment values. 5) There is no direct relationship between initial ACE activity and survival.
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다양한 크기의 모터에 대응 가능한 Integrated TMS 설계
윤종환(Jonghwan Yoon),전석구(Seockoo Chun),양주용(Jooyong Yang),최재영(Jaeyoung Choi),서지완(Jiwan Seo),전현우(Hyunwoo Jun),이복직(BokJik Lee) 한국추진공학회 2024 한국추진공학회 학술대회논문집 Vol.2024 No.5
본 연구에서는 사운딩 로켓 고체 모터의 성능과 크기가 확정되지 않은 상황에서 모터의 개발을 수행하거나 다양한 모터를 동시에 개발해야 하는 상황에 대응할 수 있는 신형 범용 통합 TMS를 개발, 검증하였다. 통합 TMS를 구성하는 연소시험대, 자체 제작 DAQ 회로, 자동화된 추력 데이터 처리 코드 등 전반적 구성품 전체에 대해 신규 개발 및 규격화를 진행하였으며, 여러 차례 운용으로 체계화된 운용 방법을 확립하여 최소 운용 조건 내에서 연소시험대 운용이 가능해졌다. 새로운 연소시험대를 통해 새로운 모터와 추진제에 대한 데이터를 산출하였다. In this research we developed a novel integrated thrust measurement system (TMS) that can accommodate solid propellant rocket motors of undetermined and varying dimensions and capacities. Constituent subsystems of the TMS, including the test stand, the DAQ circuit and the automated post-processing code, have each been devised and standardized. The operation procedure, established through trials and errors, allows for a systematic test burn operation under time and workforce constraints. The novel TMS has been used to collect data from test burns of a newly designed motor and propellant.
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