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Sung Min Kim,Eun Jung Yoon,Min Sang Kim,Ming Li,Chang Woo Oh,Sung Young Lee,Kyoung Hwan Yeo,Sung Hwan Kim,Dong Uk Choe,Sung Dae Suk,Dong-Won Kim,Donggun Park 대한전자공학회 2006 Journal of semiconductor technology and science Vol.6 No.1
We demonstrate highly manufacturable Multi-channel Field Effect Transistor (McFET) on bulk Si wafer. McFET shows excellent transistor characteristics, such as 5~6 times higher drive current than planar MOSFET, ideal subthreshold swing, low drain induced barrier lowering (DIBL) without pocket implantation and negligible body bias dependency, maintaining the same source/drain resistance as that of a planar transistor due to the unique feature of McFET. And suitable threshold voltage (VT) for SRAM operation and high static noise margin (SNM) are achieved by using TiN metal gate electrode.
Basic : Lactococcus garvieae septicemia with Liver abscess in an immunocompetent patient (초)
( Sang Wook Lee ),( Hyung Joon Kim ),( Suh Yoon Yang ),( Hyun Woong Lee ),( Bong Ki Cha ),( Beom Jin Kim ),( Hyoung Chul Oh ),( Chang Hwan Choi ),( Jeong Wook Kim ),( Jae Hyuk Do ),( Jae Gyu Kim ),( S 대한간학회 2011 Clinical and Molecular Hepatology(대한간학회지) Vol.17 No.3(S)
Yoon, Chang-Hwan,Kim, Min-Jung,Lee, Hyejin,Kim, Rae-Kwon,Lim, Eun-Jung,Yoo, Ki-Chun,Lee, Ga-Haeng,Cui, Yan-Hong,Oh, Yeong Seok,Gye, Myung Chan,Lee, Young Yiul,Park, In-Chul,An, Sungkwan,Hwang, Sang-Gu American Society for Biochemistry and Molecular Bi 2012 The Journal of biological chemistry Vol.287 No.23
Yoon, Hai-jeon,Kim, Seok-ki,Kim, Tae-Sung,Im, Hyung-Jun,Lee, Eun Seong,Kim, Hyun Chul,Park, Ji Won,Chang, Hee Jin,Choi, Hyo Seong,Kim, Dae Yong,Oh, Jae Hwan Lippincott 2013 Clinical nuclear medicine Vol.38 No.1
PURPOSE: FDG PET/CT has been suggested as the most reliable modality to predict pathological tumor responses after neoadjuvant chemoradiotherapy (CRT) in locally advanced rectal cancer (LARC). However, several confounding factors including radiation-induced inflammation could not be easily avoided with the commonly used single-point FDG PET/CT. Our aim was to evaluate the accuracy of a dual-point PET/CT protocol in LARC response prediction to CRT. PATIENTS AND METHODS: Sixty-one LARC patients were enrolled and treated with neoadjuvant CRT. PET/CT was performed before and after CRT. Dual-point acquisition was applied to post-CRT PET/CT. Post-CRT SUVmax (postSUV), pre/post-CRT SUVmax change (RI), and dual-point index (DI) of post-CRT PET/CT were compared with the Dworak tumor regression grade (TRG) as a gold standard. Univariate and multivariate analyses, as well as receiver operating characteristic curve analysis, were used to evaluate the predictive ability of demographic, clinical, and metabolic PET parameters. RESULTS: Fifteen patients of TRG3-4 were defined as pathological responders, and 46 patients of TRG1-2 were nonresponders. The resulting response index (RI) ranged from −13 to 94.8% (59.1 ± 22.0%), and delay index (DI) ranged from −45.2 to 25.0% (−9.1 ± 12.1%). Univariate analysis resulted in PET parameters (postSUV, RI, and DI) as significant predictors (P = 0.004, P < 0.001, P < 0.0001). According to multivariate analysis, RI and DI remained as significant predictors (P = 0.04 and P = 0.0004). Receiver operating characteristic analysis showed that DI had significantly higher area under the curve compared with RI (0.906 vs 0.696, P = 0.018). Delay index had 86.7% sensitivity, 87.0% specificity, 68.4% positive predictive value, 95.2% negative predictive value, and 86.9% accuracy. CONCLUSIONS: Dual-point post-CRT PET/CT can predict pathological tumor response better than conventional single time point pre- and post-CRT PET/CT.
Sung Eun Park,Kwang Yeol Paik,Dong Do You,Tae Yoon Lee,Kee-Hwan Kim,Gun Hyung Na,Jung Hyun Park,Tae Ho Hong 대한외과학회 2022 Annals of Surgical Treatment and Research(ASRT) Vol.103 No.3
Purpose: In patients who have previously undergone subtotal gastrectomy (STG), the remnant stomach is supplied with arterial blood through the splenic artery. It is currently unclear whether the remnant stomach can be safely preserved when performing distal pancreatosplenectomy (DPS) in these patients. Thus, this study aimed to evaluate the safety and feasibility of performing DPS in patients who had undergone a previous STG. Methods: A multicenter cohort study was performed to identify patients who underwent DPS. Electronic medical data of Clinical Data Warehouse from 7 representative high-volume centers in 5 cities were retrospectively reviewed. A propensity score-matched analysis was performed to match patients who had no history of upper abdominal surgery with patients who had undergone a previous STG. Results: Fourteen DPS patients who had a history of STG (STG group) were studied and matched to 70 patients who underwent DPS without any history of upper abdominal surgery (non-STG group). All patients in the STG group had the remnant stomach preserved. In most patients, the blood vessel supplying blood to the remnant stomach was the left inferior phrenic artery. There was no significant difference in the incidence of stomach-related complications or length of hospital stay between the 2 groups. Conclusion: Our study results suggest that the remnant stomach could be safely preserved when performing DPS in patients with a prior STG. However, it is necessary to carefully evaluate the vascular structure of the remnant stomach through preoperative imaging study and closely observe changes to the blue stomach during the operation.