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조범주,한영근,김주학,위원량,이진학,권지원,Bum Joo Cho,M,D,Young Keun Han,M,D,Joo Hak Kim,M,D,Won Ryang Wee,M,D,Jin Hak Lee,M,D,Ji Won Kwon,M,D 대한안과학회 2006 대한안과학회지 Vol.47 No.6
Purpose: To report a case of cosmetically successful treatment of nevus of Ota performed by scleral painting and scleral allograft transplantation. Methods: Scleral painting and allograft transplantation were done in a 28-year-old woman who had cosmetic problem due to nevus of Ota, and she was followed up for 5 months postoperatively. Results: The patient had no specific postoperative complication and was satisfied with the surgical results. Conclusions: For patients of nevus of Ota who have not been treated successfully, scleral painting and allograft transplation can be an effective cosmetic treatment.
갑상선암의 내시경 갑상선 절제술에서 근전절제술 및 전절제술의 임상적 비교
유한모,김태원,배자성<SUP>1<,SUP>,조항주,김기환,안창혁,박우찬<SUP>2<,SUP>,이동호<SUP>3<,SUP>,김정수,Han Mo Yoo,M,D,Tae Won Kim,M,D,Ja Sung Bae,M,D,<SUP>1<,SUP>,Hang Joo Cho,M,D,Kee Hwan Kim,M,D,Chang Hyuk An,M,D,Woo Chan Park,M 대한갑상선-내분비외과학회 2009 The Koreran journal of Endocrine Surgery Vol.9 No.4
Purpose: The aim of this study was to evaluate and compare the surgical outcomes of endoscopic total and near-total thyroidectomies in patients with thyroid cancer. Methods: Between February 2000 and January 2009, among 387 patients who underwent endoscopic thyroidectomy in our hospital, we evaluated 50 patients who underwent endoscopic total or near-total thyroidectomy. Thirty- five and 15 patients underwent endoscopic total thyroidectomy and near-total thyroidectomy, respectively. We analyzed the patients' clinicopathologic characteristics and post-operative complications between the two groups. Results: The mean size of tumors was 1.08 cm (range, 0.1∼3.5 cm) and the mean operative time was 192 minutes. Forty-nine tumors were papillary cancers and 1 tumor was a follicular cancer. Two patients in the endoscopic total thyroidectomy group underwent re-operation because of bleeding. In the near-total thyroidectomy group, one patient had transient hypocalcemia and one patient had temporary recurrent laryngeal nerve palsy. In the total thyroidectomy group, nine patients had transient hypocalcemia and one patient had temporary recurrent laryngeal nerve palsy. There was no statistical difference in the post-operative complicationrates between the two groups (P=0.254 for hypocalcemia and P=0.470 for injury to the recurrent laryngeal nerve). Conclusion: Based on our experience, endoscopic total thyroidectomy is a safe and feasible alternative to endoscopic near-total thyroidectomy. (Korean J Endocrine Surg 2009; 9:201-205)
방사선영상을 이용한 한국인 허리뼈고리뿌리 (pedicle of lumbar vertebrae)의 형태계측학적 연구
조태형(Tal Hyoung CHO),엄창섭(Chang-Sub UHM),유임주(1m Joo RHYU) 대한체질인류학회 1997 해부·생물인류학 (Anat Biol Anthropol) Vol.10 No.2
최근 척주구조물을 이용한 임상 치료방법이 발달하연서 허리뼈고려뿌리 및 주변부의 정확한 해부학적 지식이 성공적인 수술을 위하여 요구되고 있다. 이에 저자들은 방사선적 방법으로 얻은 영상을 분석하여 한국인의 허리뼈고리뿌리를 계측 분석하였다.첫 번째에서 다섯 번째 허리뼈에 해당되는 500여 고리뿌리를 단순 방사선 촬영이나, 컴퓨터 단층촬영으로 얻은 필름을 사용하여 고리뿌리의 가로직경 고리뿌리의 가로각, 허리뼈의 앞겉질까지의 깊이, 고리뿌리의 세로직경, 고리뿌리의 시상각 둥을 분석하였다. 임상적으로 가장 중요한 척도중의 하나인 고리뿌리의 가로직경은 첫 번째 허리뼈에서 가장 졻았고, 다섯째허리뼈에서 가장 넓었다. 시상각의 경우는 다섯 번째는 아래쪽을 향하여 있고, 첫번째 허리뼈까지는 위 흐 올라감에 따라 점차로 위쪽을 향하는 경향을 보였으며, 허리뼈의 앞겉질까지의 깊이는 꼬리뿌리축선깊이가 고려뿌리 시상깊이보다 길었다.본 실험결과는 허리뼈고리뿌리의 형태, 고리뿌리의 각도 및 허리뼈 등의 순위에 따른 변화 등이 마른 뼈에서 계측값과 (Kim 등, 1994)거의 차이가 없어, 방사선 영상을 이용한 계측경과는 척추가구고정술 환자를 위하여 임상에서 유용하게 활용될 수 있을 것으로 생각한다.
조헌성 ( H. S. Cho ),유모선 ( M. S. Yoo ),김철성 ( C. S. Kim ),오원섭 ( W. S. Oh ) 대한산부인과학회 1981 Obstetrics & Gynecology Science Vol.24 No.7
As a rare primary ovarian neoplasm, especially in early adolescence (9 years old age in this case), we experienced a case of embryonal carcinoma with areas of primary choriocarcinoma, originated from the right ovary, so a brief review of case and its literatures present here.
조용무(Y.M.Cho),유웅재(W.J.Yoo),김재도(J.D.Kim) 한국자동차공학회 1994 한국자동차공학회 춘 추계 학술대회 논문집 Vol.- No.-
This present paper deals with the characteristric of wire vibration of wire EDM by laser beam measurement. In order to mesure frequency of the wire vibration, we developed laser beam measurement using Si-photo diode. There are also presented the results of the experimental researches. The frequency of the wire vibration is varied with feed rate, wire speed, voltage and offtime. Among these parameters, wire speed is very much influenced the frequency. It is possible that the optimum condition is predicted by the developed laser beam measurement.
조용무,김재도 ( Y . M . Cho,J . D . Kim ) 한국열처리공학회 1993 熱處理工學會誌 Vol.6 No.4
The laser beam hardening has been experimentally tried to find the hardened characteristics of STD11. Experiment was performed on the optimum hardening condition with 2kW CO₂laser. The microstructure of the hardened layers was observed using the microscope. The hardened zones exhibits very high Vickers microhardness of 720Hv, however, the deoxidation was observed under the surface of hardened area. The case depth of hardened zones is about 0.6㎜ and case width is 4㎜. FEM-simulation on laser surface hardening of STD11 steel are described. With the proper assumption of the absorbed energy density, the calculated case depth and width in 2kW CO₂laser hardening were in good agreement with the experimental result. It was found that there is optimum absorbed energy density of STD11.