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( Kyeong Ok Kim ),( Kyu Chan Huh ),( Sung Pil Hong ),( Won Hee Kim ),( Hyuk Yoon ),( Sang Wook Kim ),( Yeon Soo Kim ),( Jong Ha Park ),( Jun Lee ),( Bum Jae Lee ),( Young Sook Park ) 대한간학회 2018 Gut and Liver Vol.12 No.5
Background/Aims: The aims of the present study were to determine the frequency of interval colorectal cancers (CRCs) after surveillance colonoscopy and to compare the clinicopathologic features and survival outcomes with those of noninterval CRCs. Methods: From January 2003 to December 2013, 66,016 follow-up colonoscopies for 38,412 patients performed within recommended time were reviewed retrospectively based on data from 11 tertiary hospitals in South Korea. To compare clinicopathologic features and survival rates for interval CRC, 106 patients with non-interval CRC matched in age and gender were included. Results: Among the 66,016 colonoscopies performed within the surveillance period, 63 cases (63/66,016) of interval CRC were detected, and 53 were finally included in the analysis. The mean age was 69.9±8.8 years, and the male to female ratio was 1.94:1. Although the occurrence rate of cancer in the right side colon was higher than that of non-interval CRC, interval CRCs were predominantly left sided. Other clinicopathologic features and overall survival were not significantly different between the two groups. Missed lesion was suspected to be the most common cause (29 cases, 54.7%). Conclusions: The frequency of interval CRC among patients who had undergone a surveillance colonoscopy was 0.095%. While sharing some similar clinical features and survival outcomes, interval CRCs in Korea developed more often in males and on the left side in contrast to results from Western studies. (Gut Liver 2018;12:537-543)
구연 : 그랜드볼룸 ; AP-1 활성화 기전에 의한 Kitenin의 간세포암 침윤성에 미치는 영향 (초)
( Sung Bum Cho ),( Young Lan Park ),( Sun Young Park ),( Wan Sik Lee ),( Chang Hwan Park ),( Hyun Soo Kim ),( Sung Kyu Choi ),( Jong Sun Rew ),( Kyeong Keun Kim ),( Young Eun Joo ) 대한간학회 2010 Clinical and Molecular Hepatology(대한간학회지) Vol.16 No.3(S)
( Kyeong Kyu Park ),( Sang Ho Lee ) 한국고무학회 2015 엘라스토머 및 콤포지트 Vol.50 No.4
Ammonium polyphosphate-polyurethane foam composite (APP-PUF) was prepared from poly(adipate)diol/ammonium polyphosphate composite (f = 2), polyether polyol (f = 4.6), and PMDI (f = 2.5). As a blowing agent, H2O was used at various concentrations. The thermal decomposition behavior, morphology, closed-cell content, and density of APPPUF were characterized. At the H2O concentrations lower than 3.5 php, the cell size of pure polyurethane foams (PUF) and APP-PUFs were close each other. As the H2O concentration became greater than 5.0 php, the cell size of the PUFs greatly increased compared to that of APP-PUFs. Addition of 1.5~1.9 wt% ammonium polyphosphate to the PUFs greatly enhanced the thermal stability of the PUFs, so 50 wt% residual temperature of APP-PUFs increased to 380~488°C, which were 30~70°C higher than those of the PUFs. Thermal stability of the PUFs and APP-PUFs increased with H2O content and then decreased once H2O content exceeded 5 php.
GG-43 : A case of repeated spontaneous vulvar hematoma in pregnant woman
( Kyu Sang Kyeong ),( Deok Ho Hong ) 대한산부인과학회 2014 대한산부인과학회 학술대회 Vol.100 No.-
In adult female, most of vulvar hematoma is usually caused by traumatic injury and spontaneous vulvar hematoma is rare condition. In pregnancy, vulvar hematoma occur as rare complication during childbirth. Only a few cases of spontaneous vulvar hematoma during pregnancy have been reported in the literature, but to the best of my knowledge there is no report about repeated spontaneous vulvar hematoma in pregnancy. A 33 years old pregnant women admitted to the hospital for spontaneous left side vulvar hematoma at 30 weeks pregnant and treated with surgery to remove hematoma. But at 39 weeks pregnant, right side vulvar hematoma occurred spontaneously and delivered by cesarean section.
Kyeong Ho Yun,Seok Kyu Oh,Eun Mi Park,Hyun Jung Kim,Sung Hee Shin,Eun Mi Lee,Sang Jae Rhee,Nam Jin Yoo,Nam Ho Kim,Jin Won Jeong,Myung Ho Jeong 대한내과학회 2006 The Korean Journal of Internal Medicine Vol.21 No.2
Background: Coronary atherosclerosis with inflammation gives rise to coronary vasospasm in the patients with coronary vasospastic angina. We have postulated that the peripheral leukocyte count and the differential count are associated with vasospastic angi
( Sung Bum Cho ),( Jong Sun Rew ),( Sung Young Park ),( Hyeng Chen Park ),( Kyeong Won Yoon ),( Seok Cho ),( Wan Sik Lee ),( Chang Hwan Park ),( Hyen Soo Kim ),( Sung Kyu Choi ) 대한소화기학회 2007 SIDDS Vol.9 No.-
Background Aims: Rectal carcinoid has been increasingly detected due to the recent wide use of colonoscopy for routine health examination. Although endoscopic resection should be considered as the treatment for rectal carcinoid, the scar formation after colonoscopic biopsy can lead to unpredicted difficulty in this procedure. This study evaluates the per-procedure findings and treatment results in an attempt to elucidate the effect of scar formation after colonoscopic biopsy in endoscopic resection for rectal carcinoid. Methods: Twelve cases of rectal careinoid with scar formation were compared with 18 non-scar cases, which were treated using the endoscopic resection from January 2002 to August 2007, in terms of the endoscopic findings, resection methods and treatment results. Results: The differences in the clinical findings and tumor size between the scar group and the non-scar group were nonspecific. The average waiting-time between biopsy and resection was shorter (13±16 vs 42±26 ds; p=0.11) in the scar group. During endoscopic resection, small active ulcer was found in 4 scar cases with lesser than 7 days of waiting-time. The risk of limited elevation after submucosal injection was higher (83% vs 44%, p=0.03) in the scar group. In resection methods, ESD was frequently adopted in the scar group (4 cases vs 1 case). The difference in the result of pathologic complete resection between two group were nonspecific. Four patients in the scar group should be admitted (vs 1 case in the non-scar group). Conclusions: ESD technique should be considered in selected cases, because of the postbiopsic scar can block the submucosal elevation in endoscopic resection for rectal carcinoid.
( Kyeong Ho Yun ),( Ik Sang Shin ),( Sang Jae Rhee ),( Eun Mi Lee ),( Nam Jin Yoo ),( Nam Ho Kim ),( Seok Kyu Oh ),( Jin Won Jeong ) 대한내과학회 2009 The Korean Journal of Internal Medicine Vol.24 No.4
Background/Aims: The use of statins in patients with acute coronary syndrome (ACS) has increased, and reduced levels of low-density lipoprotein cholesterol (LDL-C) lead to lower coronary event rates. We studied the effect of lipid levels during statin treatment on prognosis in patients with ACS and percutaneous coronary intervention (PCI). Methods: Between January 2005 and May 2007, 325 ACS patients who underwent PCI and received statins were evaluated. We measured serum lipid levels at baseline and 4 weeks. The relationships between on-treatment levels of triglyceride (TG) and LDL-C and one-year major adverse cardiac events (MACE) were assessed. Results: At 4 weeks, the mean LDL-C level was 72.5±23.8 mg/dL and the mean TG was 123.2±62.8 mg/dL. MACE occurred in 41 cases (12.6%). Baseline serum lipid levels were similar between the patients with and those without MACE. However, the patients with MACE showed significantly higher TG level at 4 weeks (149.6±81.4 vs. 119.3±58.9 mg/dL, p=0.026) than those without. High on-treatment TG level (≥150 mg/dL) were associated with increased adverse events compared to lower TG level in a univariate analysis (hazard ratio [HR], 3.3; p<0.001). In a multivariate analysis, high 4-week TG level after statin treatment was an independent predictor for MACE (HR, 4.01; 95% confidence interval, 1.85 to 9.06; p=0.001), however, baseline TG and LDL-C levels were not. Conclusions: High on-treatment TG level (≥150 mg/dL) was associated with a higher risk of MACE. This finding supports the concept that achieving low TG levels may be an important therapeutic parameter in statin-treated patients following ACS and PCI. (Korean J Intern Med 2009;24:330-336)
2MASS NEAR-IR COLOR-MAGNITUDE DIAGRAM OF THE OLD OPEN CLUSTER KING 11
Kyeong, Jae-Mann,Moon, Hong-Kyu,Kim, Sang-Chul,Sung, Eon-Chang The Korean Astronomical Society 2011 Journal of The Korean Astronomical Society Vol.44 No.1
We study near-infrared properties of the old open cluster King 11, based on the 2MASS photometric data. We determine the location of the red giant clump(RGC) in the (K, J - K) colo-magnitude diagram and derive the distance modulus of King 11 to be $(m-M)_0$ = $12.50{\pm}0.10$ using the mean K magnitude of RGC. From the red giant branch slope - [Fe/H] relation we obtain the metallicity of this cluster, [Fe/H]=$-0.17{\pm}0.07$. The age and interstellar reddening of this cluster are estimated to be log t = $9.48{\pm}0.05$, E(B-V)=$0.90{\pm}0.03$, by applying Padova isochrone fits to the data.