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국내원전 I & C개선을 위한 신뢰성 평가시스템 구축 및 KEPIC 적용방안
정학영,Jeong, Hak-Yeong 대한전기협회 2006 전기저널 Vol.- No.349
대한전기협회는지난8월3 0일터9월2일까지부산해운대그랜드호텔에서정부, 산업계, 학계, 연구계등 전력산업계관 계자등 8 0 0여명이참석한가운데‘2005 KEPIC-Week’행사를개최했습니다. 이날발표된논문주제중에서우수한논문을시리즈로게재합니다.
비골이식술로 치료한 요골 원위부의 거대세포종 - 증례 보고 -
정학영,양승욱,신승준,송무호,승형준,Jeong, Hak-Yeong,Yang, Seung-Wook,Shin, Seung-Joon,Song, Moo-Ho,Seung, Hyeong-Joon 대한근골격종양학회 1998 대한골관절종양학회지 Vol.4 No.2
Giant cell tumor was described by Sir Astley Cooper in 1818. This tumor is considered to be a benign tumor but has problems of recurrence and metastatic change after treatment. Methods of operative treatment of this tumor have included currettage, currettage and bone graft, excision, resection, excision and graft and amputation. We experienced a case of giant cell tumor which involved the distal part of right radius and treated by wide excision and fibular graft. The postoperative courses have been satisfactory because of no recurrence or malignant change. After 6 years and 1 month follow up, the patient was able to return to daily life without any problem.
정학영 대한영상의학회 1995 대한영상의학회지 Vol.33 No.6
Purpose : To evaluate the incidence, degree, and clinical significance of non-obstructive intrahepatic bileduct dilatation encountered on follow up CT after gastrectomy for gastric carcinoma. Materials and Methods : Weretrospectively analyzed follow-up abdominal CT of 65 patients who had undergone gastrectomy with truncal vagotomyand subtotal gastrectomy for gastric carcinoma. We classified those patients who showed intrahepatic ductdilatation into non-obstructive or obstructive groups depending on the presence or absence of the lesionsobstructing the duct. We also evaluated the incidence, degree and pattern, and appearance time of non-obstructivetype of duct dilatation. Results : Non-obstructive and obstructive biliary dilatation were present in 8cases(12.3%) and 9 cases(13.8%), respectively. The degree of non-obstructive group was mild in 6 cases(75%) andmoderate in 2 cases(25%) who had taken cholecystectomy during the follow up period, and patterns were proportionaldilatation of the central and peripheral intrahepatic ducts. It appeared on follow up CT obtained 6 to 12 monthsafter operation in 7 cases and 3.5months in one case. No statistical significance was noted between the type ofsurgery and the incidence of non-obstructive dilatation(p>0.05). Conclusion : Mild dilatation of the centralintrahepatic ducts without evidence of mechanical biliary obstruction can be seen on follow-up CT obtained morethan 6 months after gastrectomy for gastric carcinoma, and the incidence is about 12%. We think that this findingis non-obstructive and clinical evaluation is unnecessary.