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RISS 인기검색어
- 검색키워드
- 저자 : 윤중근(Jung Geun Yoon) (검색결과 3 건)
- 무료
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김영철(Young Chol Kim),박용주(Yong Ju Park),김두섭(Doo Sub Kim),홍득민(Duk Min Hong),양윤식(Yoon Shig Yang),심원보(Won Bo Shim),윤중근(Jung Geun Yoon),김종인(Jong In Kim),이성주(Seong Joo Lee),이태원(Tae Won Lee) 대한내과학회 1991 대한내과학회지 Vol.41 No.6
N/A Seventy-five patients with either pulmonary nodules or masses that could not be confirmed with sputum examination or bronchoscopic examination underwent transthoracic fineneedle aspiration with 22 or 23 gauze needles under fluoroscopy for cytologic diagnosis. There were 51 men and 24 women, and the age range was 43-78 years old. The lesion distribution and sizes were as follow: 48 cases in the right lung, 2l cases in the left lung, 23 cases under 4 cm in size, and 52 cases over 4 cm in size. There were no meaningful correlations in lesion size or site with malignant or benign cytologic findings. Among the 46 malignant cases squamous cell carcinoma was 32 cases, large cell carcinoma 5 cases, small cell carcinoma 4cases, lymphoma 3 cases, and bronchioalveolar carcinoma 2 cases. Among the other cases, pulmonary tuberculosis was. 11 cases and lung abcess 3 cases. Among the 49 cases proven malignant after operation or follow-up by now, 46 cases were malignant at fine- needle aspiration biopsy cytology (sensitivity 93.9%), and among the 23 cases proven benign after follow up, all showed no malignancy by fine-needle aspiration biopsy cytology (specificity 100%). Three cases failed in the follow-up due to various causes. In the benign cases, there were some who had difficulty in being diagnosed with this procedure alone, but we were helped a great deal in differentiating malignancies by this procedure. Complications were minimal, but 5 cases of pneumoth-orax occurred, and 2 cases among these needed closed thoracotomy and soon improved. In conclusion, transthoracic fine-needle aspiration biopsy cytology is very helpful in diagnosing patients with lung nodules or masses that failed to be confirmed with sputum examination or bronchoscopic procedure and in differentiating a malignant state from a benign one, with minimal complications. So, active clinical trial of this procedure is recommended.
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유한요소법 p-method를 이용한 2차원 형상최적설계에 관한 연구
윤중근,임경호 한국 항공대학교 항공산업기술연구소 2000 航空宇宙産業技術硏究所 硏究誌 Vol.10 No.-
형상최적설계에서 p-element 유한요소를 이용하면 기존의 설계기법에 비하여 많은 이점이 있다. 최적설계시 요소의 분할 및 재구성을 하지않고 절점의 이동을 이용한 형상설계로 계산 및 수렴의 속도가 향상된다. 본 연구에서는 기본적인 이차원 형태의 구멍을 가진 무한평판과 필렛에 하중이 작용할 때 최대응력을 최소화시키는 형상최적설계를 하였다. 결과를 통해 구멍을 가진 무한평판과 필렛의 형상이 이론적해에 접근하고 있음을 볼 수 있다. Compare to several existing shape optimization methods, using p-element has several benefits, such as simplicity, convergency, and computational efficiency. In this study, shape optimization is done by just moving node not adding, removing, and remeshing element. Optimization of two dimensional shape has done to minimize maximum von Mises stress in plate with a hole and the fillet problem. The result show that shape optimization of 2D plate with a hole and the fillet problem, is close to theoretical results.
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이상호,배윤상,이지혁,심재광,양윤식,윤중근,설상영 인제대학교 1998 仁濟醫學 Vol.19 No.2
저자는 좌측 고관절 전치환술을 시행받은 후 다발성 피부결절이 나타나, 피부조직 검사 결과 전이성 선암이 있었다. 원발암을 추적 검사한 바, 진행된 위선암을 보인 1예를 경험하였기에 문헌고찰과 함께 보고하는 바이다. Multiple cutaneous metastases from gastric adenocarcinoma are rare and usually notified after diagnosis of primary cancer. Recently, we experienced a case of gastric adenocarcinoma presenting as multiple cutaneous metastases which developed after total hip replacement arthroplasty and transfusion. So, we report this case with a brief review of literatures.
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