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오승택 ( Seong Taek Oh ) 대한임상종양학회 2010 Korean Journal of Clinical Oncology Vol.6 No.1
Treatment of colorectal cancer (CRC) has developed considerably over the past 10 years, especially in the areas of targeted therapeutics and biomarker development. Targeted therapies, which include monoclonal antibodies and small molecule inhibitors, directed at the vascular endothelial growth factor pathway and the epidermal growth factor pathway are now key players in the treatment of colorectal cancer. Preclinical and clinical studies have shown that the epidermal growth factor receptor (EGFR) and vascular endothelial growth factor (VEGF) are valid therapeutic targets for patients with CRC. This review focuses on the evidence supporting the current role of targeted therapy and the strategy of combining chemotherapy and biological therapy in the treatment of metastatic colorectal cancer.
오승택(Seong Taek Oh),김동구(Dong Goo Kim),김인철(In Chul Kim) 대한소화기학회 1994 대한소화기학회지 Vol.26 No.1
N/A Tumor markers have proven to be useful in monitoring the effect of therapy and are perti- nent prognostic tools for clinical use. One of these tumor markers CA 19 9, is very useful in assessing patients with gastrointestinal tract malignancy, especially pancreatic cancer. From January 1990 to December 1992, serum concentrations of CA 19 9 in 53 patients with pancreatobiliary tract cancer and 18 non-neoplastic diseases were determined at Kangnam St. Marys Hospital to evaluate the clinical usefulness of this tumor marker. The mean value of CA 19 9 in benign disease(39.4+60.8u/ml) is not significantly elevated compared with cutoff value(37u/ml), but in malignant cancer group, the value (136.4162.2u/ ml) is markedly elevated compared with benign disease(p<0.01). Sensitivity of CA 19 9 at a cutoff of 37u/ml in hepatoma is 37.5%, GB cancer 45.5%, ampulla of Vater cancer 66.7%, CBD cancer 77.8% and pancreatic cancer 100%. CBD and pancreatic cancer have higher than hepa- toma, GB cancer and ampulla of Vater cancer(p<0.01). After operation, a significant fall in serum CA 19 9 value occurs in 13 cases(10 out of 17 resected cases and 3 of 10 bypass cases). But the mean value of resected group(60.2+ 88.4u/ml) is lower than bypass group(155.3+94.8u /ml)(p<0.01). During follow-up period, CA 19-9 value is elevated in 3 out of 17 resected cases. These 3 cases are proved cancer recurrence by other imaging methods. In conclusion, the au- thors consider that CA 19 9 test is valuable for detection of pancreas and CBD cancer, assess- ing response to therapy and evaluating early recurrence. (Korean J Gastroenterol 1994; 26: 175 -180)
오승택(Seung-Taek Oh),김병기(Byung-Ki Kim),노대석(Dae-Seok Rho),박성민(Seong-Min Park),박진엽(Jin-Yeop Park) 한국산학기술학회 2014 한국산학기술학회 학술대회 Vol.- No.-
기존의 원자력발전소의 전원공급장치(UPS : Uninterruptible Power Supply)에는 연축전지가 많이 보 급되어 사용되고 있지만, 수명이나 유지보수 측면에서 많은 문제점을 가지고 있다. 또한 일본의 후쿠 시마 원전사고 이후, 원자력발전소에 있어서 비상전원의 안정적 확보와 용량증대의 필요성이 부각되고 있어서, 차세대 전지기술로 각광받고 있는 리튬이온전지로의 교체가 요구되고 있다. 하지만 원전용 전 원공급장치에 리튬이온전지를 적용하기 위한 기술기준이 없으므로, 이에 대한 개발이 필요한 실정이 다. 따라서 본 논문에서는 원전용 전원공급장치에 리튬이온전지를 적용하기 위한 기술기준 개발을 위 하여, 기초자료로 필수적인 원전용 부하특성과 전원공급장치를 분석하였다.