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관절경하 원위 쇄골 절제술을 이용한 만성 제 2형 견봉쇄골 손상의 치료 - 6례에 대한 예비 연구 -
유연식,윤영곤,남일현,문기혁,Yoo Yeun-Sik,Yoon Young-Gon,Nam Il-Hyun,Moon Gi-Hyuk 대한관절경학회 2002 대한관절경학회지 Vol.6 No.2
목적 : 저자들은 만성 제 2형 견봉쇄골 관절 탈구에 시행한 관절경하 원위 쇄골 절제술의 효과를 알아보고자 하였다. 대상 및 방법 : 1998년 2월부터 2001년 1월까지 제 2형 견봉쇄골 관절 탈구의 6례를 대상으로 시행하였으며 추시기간은 평균 12개월이었다. 검사의 결과의 평가는 constant-Murray 기능평가법을 이용하였으며 술 전 constant score는 32점 이었다. 결과 : 임상평가 결과 constant score는 술 후 $3\~6$주에서 35점 이었고 3개월은 49점 그리고 6개월에서는 69점으로 증가되었고 전체 환자의 $83\%$에서 만족도를 보였다. 결론 : 만성 제 2형 견봉쇄골 탈구에서 시행한 관절경하 원위 쇄골 절제술은 수기가 쉽고 간단하여 개방성 방법을 통한 광범위한 인대 재건술 또는 오구 쇄골간 고정술에 앞서 시행할 수 있는 방법이라 사료된다. Purpose : To evaluate effectiveness of arthroscopic distal clavicle resection for chronic stage 2 acromioclavicular dislocation. Material: 6 patients who had failed to respond to physical therapy were evaluate more than 6 months prospectively, which were treated with arthroscopic distal clavicular resection from february 1998 to January 2001. Result : The median preoperative Constant score changed from 32 of 100 to 37 of 100 at 3 to 6 weeks, to 49 of 100 at 3 months and to 69 of 100 at 6months. Improvement was achived at mean follow up more than 6 months after surgery. Overal $83\%$ of patient were satisfied with this procedure. but the remained case was unsatisfied because symptom was not improved more than 6 months Conclusion : Arthroscopic distal clavicle resection is useful method to treatment for chronic stage 2 acromioclavicular dislocation.
선박 해수배관에서 용접봉의 종류에 따라 직류 아크 용접한 용접부위의 부식특성에 관한 전기화학적 평가
이성열(Sung-Yul Lee),이규환(Kyu-Hwan Lee),원창욱(Chang-uk Won),나승수(Shane Na),윤영곤(Young-Gon Yoon),김윤해(Yun-Hae Kim),이명훈(Myeong-Hoon Lee),문경만(Kyung-Man Moon),김진경(Jin-Gyeong Kim) 한국해양공학회 2013 韓國海洋工學會誌 Vol.27 No.3
The seawater pipes in the engine rooms of ships are surrounded by severely corrosive environments caused by fast flowing seawater containing chloride ions, high conductivity, etc. Therefore, it has been reported that seawater leakage often occurs at a seawater pipe because of local corrosion. In addition, the leakage area is usually welded using shielded metal arc welding with various electrodes. In this study, when seawater pipes were welded with four types of electrodes(E4311, E4301, E4313, and E4316), the difference between the corrosion resistance values in their welding zones was investigated using an electrochemical method. Although the corrosion potential of a weld metal zone welded with the E4316 electrode showed the lowest value compared to the other electrodes, its corrosion resistance exhibited the best value compared to the other electrodes. In addition, a heat affected zone welded with the E4316 electrode also appeared to have the best corrosion resistance among the electrodes. Furthermore, the corrosion resistance of the weld metal zone and heat affected zone exhibited relatively better properties than that of the base metal zone in all of the cases welded with the four types of electrodes. Furthermore, the hardness values of all the weld metal zones were higher than the base metal zone.
강인경,윤영곤 朝鮮大學校 附設 醫學硏究所 1992 The Medical Journal of Chosun University Vol.17 No.1
Dermatofibrosarcoma protuberans(DFSP) is an uncommon tumor that arises in the dermis. It is characterized by slow invasive growth, frequent local recurrence after excision and infrequent metastasis. We report a case of DFSP who presented with an erythematous, firm nodule with satellite lesion on the left quadrant of the abdomen in a 52-year-old female. Histopathologically, this tumor showed a uniform cellular proliferation of fibroblast in a storiform or cartwheel pattern in the dermis and subcutis. The peripheral portions of the tumor may have a deceptively bland appearance, approaching that of normal collagen.