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( Do Seon Song ),( Jong Young Choi ),( Sun Hong Yoo ),( Hee Yeon Kim ),( Myeong Jun Song ),( Si Hyun Bae ),( Seung Kew Yoon ),( Ho Jong Chun ),( Byung Gil Choi ),( Hae Giu Lee ) 대한소화기학회 2013 Gut and Liver Vol.7 No.1
Background/Aims: To determine if hepatocellular carcinoma refractory to conventional transarterial chemoembolization (TACE) responds to TACE with DC beads. Methods: Between July 2008 to June 2010, 435 patients underwent TACE. Of these, 10 patients who had tumors refractory to conventional TACE and who thus were treated with TACE with DC beads were enrolled in this study. The treatment response after TACE with DC beads was evaluated according to the modified Response Evaluation Criteria in Solid Tumors (mRECIST) and the Response Evaluation Criteria in Cancer of the Liver (RECICL). Results: Ten tumors were treated in 10 patients. Using the mRECIST and the RECICL, a complete response was observed in four (40%) of the tumors, and six tumors (60%) showed a partial response. Eight (80%) out of 10 HCCs showed delayed enhancement patterns upon angiography, and better responses were observed in these cases following DC bead treatment. The adverse effects of treatment with DC beads became tolerable. Conclusions: TACE with DC beads was effective for HCCs refractory to conventional TACE, and this treatment elicited a better response, especially when the tumors were small and showed a delayed enhancement pattern upon angiography. (Gut Liver 2013;7:89-95)
( Kyung Do Lee ),( Kyeong Bo Lee ),( Geun Hwan Gil ),( In Hong Song ),( Jong Gook Kang ),( Seon Woong Hwang ) 한국환경농학회 2011 한국환경농학회지 Vol.30 No.1
BACKGROUND: With increasing public awareness to environment-friendly agriculture, many efforts have been run to develop organic farming technologies in Korea as of late 90s. The objective of this study was to investigate the effects of different organic farming practices on soil chemical properties and water quality in paddy fields. METHODS AND RESULTS: Total nitrogen (TN) and total phosphorus (TP) were monitored for a two-year period (2006 to 2007) from the study organic paddy fields located in Wan-ju, Jeonbuk Province in Korea. TN and TP of organic paddy water were gradually increased for 2~3 weeks after organic manure application and then gradually decreased afterward. The overall variation of TP in the paddy fields was much greater than that of TN. The phosphorus content in organic paddy field appeared to increase with the organic farming period. CONCLUSION(s): This indicates that long-term organic farming is likely to cause phosphorus accumulation in soils and increase vulnerability to rainfall runoff. Thus, appropriate phosphorus management needs to be implemented, particularly, to reduce excessive phosphorus supply owing to nitrogen-based determination of organic manure application amount.