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A case report : ovarian torsion of Brenner tumor
( Kyongjin Kim ),( Kyuonga Kim ),( Sanggi Hong ),( Sukyong Baek ),( Jeongbum Moon ),( Jihyun Kim ),( Seolbong Yoo ),( Taewon Jeong ) 대한산부인과학회 2018 대한산부인과학회 학술대회 Vol.104 No.-
Introduction: Borderline Brenner tumor of the ovary is a rare entity characterized by papillary structures with a fibro-vascular core, covered by a transitional epithelium, and by the absence of stromal infiltration. It is associated, by definition, with a benign component of Brenner tumor. We introduced a case about ovarian torsion of Brenner tumor. Material&method: A fifty-one years old women came to emergency room. Her chief complain was continous lower abd. pain since 3 days ago. She has 2 babies. Her menstrual cycle finished 1 years ago. She has Diabetes mellitus and hypertension. The CT scanning was compared prior CT imagings that was taken 4 years ago. There was a calcified solid mass on Rt. ovary in prior CT, About 13x10x10cm-sized well defined multiseptated cystic lesion was added on this mass. There was small amount ascites. There was a twisted ovarian pedicle on inferior portion of mass. About 7.3x9.6x8.6cm-sized well defined mass was on Lt. adnexa. The upper portion of Rt. mass was cystic portion, and the lower portion was solid mass. There was small Lymph node on Lt. paraaortic region. It seemed the reactive lesion. The beta-hcg level was below 1.20. The AFP level was 2.32. The CEA level was 2.0. The CA19-9 level was below 2.00. The CA125 level was 20.2. After low midline incision was made. Entering abdominal cavity, the uterus was normal. Both ovary cyst was seen and The Rt. ovary was twisted for 3 times. Bilateral salpingo-oopherectomy was done. The result of frozen biopsy was both brenner tumor. Result: The pathologist's conclusion was Brenner tumor originated from both ovaries. and Ovarian cystic fluid was no definite malignant tumor cells present. Her symptom such as severe abdominal pain was disappeared after surgery. Conclusion:Further investigation is required to determine whether associated Brenner tumors found during frozen section are more highly associated with malignancy and could therefore change intraop-erative and overall decision making.
Urinary GADD45γ Expression Is Associated with Progression of lgA Nephropathy
Yu, Sukyong,Cho, Jinhee,Park, Inwhee,Kim, Seung Jung,Kim, Heungsoo,Shin, Gyu-Tae S. Karger AG 2009 American journal of nephrology Vol.30 No.2
<P><I>Background:</I> Growth arrest and DNA damage-45γ (GADD-45γ) is induced in response to environmental stresses and functions in the regulation of cell cycles. Previous findings by our group suggested that GADD45γ contributed to renal tubular cell damage through induction of inflammatory and fibrogenic molecules. We examined the effects of urinary GADD45γ expression on the decline in renal function with IgA nephropathy in the present study. <I>Methods:</I> Patients (n = 62) were followed for a total of 710.3 ± 287.5 days. The rate of renal function decline was assessed by the slopes of inverse serum creatinine and estimated glomerular filtration rate (GFR) plotted against time. Renal survival was calculated by Kaplan-Meier analysis and the primary endpoint was an increase in serum creatinine levels by 50% or more. <I>Results:</I> Kidney function declined more rapidly in the GADD45γ-positive group compared to the GADD45γ-negative group. Kidney survival estimates at the end of the study period were 82.9% in the GADD45γ-positive group and 100% in the negative group (p = 0.03). This difference remained significant in the group with GFR values <90 ml/min/1.73 m<SUP>2</SUP> when adjusted to stratification factors. <I>Conclusion:</I> The results suggest that urinary GADD45γ expression is associated with progression of renal disease.</P><P>Copyright © 2009 S. Karger AG, Basel</P>
김영덕 ( Yeongduck Kim ),고재헌 ( Jaeheon Ko ),민동욱 ( Dongwook Min ),서정범 ( Jeongbeom Seo ),최재규 ( Jaekyu Choi ),이현숙 ( Hyunsook Rhee ),김훈기 ( Hoonki Kim ),정석용 ( Sukyong Jung ),박정민 ( Jeongmin Park ) 한국정보처리학회 2009 한국정보처리학회 학술대회논문집 Vol.16 No.2
자가 치유 시스템은 자율 컴퓨팅의 개념 중 하나로 사람의 개입 없이 시스템의 이상상태를 인식하고 정상상태로 복귀 가능한 시스템을 의미한다. 발생한 오류는 또 다른 오류를 유발할 수 있고, 하나 이상의 원인이 되는 오류나 사건이 있을 수 있다. 따라서 오류의 원인에 따른 치유전략을 필요로 하며 발생한 오류에서부터 전이될 수 있는 오류에 대한 추론을 요구하게 된다. 따라서 본 논문에서는 오류의 인과관계에 따른 진단 및 추론 기법을 제안하고자 한다. 제안사항을 통해 오류트리를 기반으로 하여 발생한 오류의 원인이 되는 오류를 파악할 수 있으며, 오류의 원인에 따른 치유 전략을 계획 가능하고, 발생 가능한 오류의 추론이 가능하다.
대한인간공학회지 게재 논문: 읽기 매체의 종류와 읽는 글의 길이에 따른 대학원생의 논문 가독성 및 이해도 비교
강요한(Yohan Kang),박동건(Donggun Park),이경준(Kyungjun Lee),김누리(Nuri Kim),김수경(Sukyong Kim),김현용(Hyunyong Kim),임세호(Seho Yim),윤명환(Myunghwan Yoon) 대한인간공학회 2018 대한인간공학회 학술대회논문집 Vol.2018 No.11
20세기 후반에 컴퓨터와 인터넷의 발달로 사람들이 문자를 디지털의 형태로 읽는 것이 가능해졌다. 이는 읽기 매체를 선정하는 데 있어 종이만이 아닌 PC나 태블릿도 고려의 대상이 될 수 있다는 것을 뜻한다. 기존에 태블릿 PC의 E-book을 이용할 때의 피드백에 관한 선행 연구는 존재했으나, 사용자를 대학원생으로, 읽는 대상을 논문으로 삼고 읽기 매체의 종류에 따른 대학원생의 논문 가독성 및 이해도에 대한 연구는 미미하다. 본 연구는 대학원생이 논문을 읽을 때, 종이, 모니터, 태블릿 중 어떤 매체를 사용할 때 가장 논문에 대한 가독성 및 이해도가 효과적이며, 글의 길이와 각 매체간 읽기능력의 상관관계를 살펴보고자 하였다. 실험대상은 대학원생 13명을 대상으로 실시하였다. 연구 결과, 반페이지 분량의 경우 가독성과 이해도에서 큰 차이를 확인할 수 없었고, 한 페이지 분량의 경우 가독성면에서 PC와 종이매체가 이해도면에서 종이매체가 좀 더 나은 결과를 보였다. 이를 통하여 단문길이의 글을 보는 경우 어떠한 읽기매체를 활용하여도 큰 차이가 없겠지만, 장문의 경우 신속함을 필요로하는 경우엔 PC를 정확도와 이해도를 필요로 하는 경우에는 종이 매체를 선택하는 것이 추천되겠다.
Sukyong Yoon,오은실,박민수,장성복,변해미,Hyeonsoo Park,Heeyoung Kim,김춘옥 대한임상약리학회 2021 Translational and Clinical Pharmacology Vol.29 No.3
YH4808 is a novel potassium-competitive acid blocker developed for gastric acid-related disorders. Previous studies indicate its potential to improve symptoms of gastric acid-related disorders. The current study was aimed to find the optimal regimen of YH4808 for night time pH control. This study was performed in two parts. Each was a randomized, open-label, active-controlled, multiple-doses, two-treatment, two-period crossover study conducted in 20 healthy Korean volunteers. Subjects were randomly assigned to one of the four groups. The three groups received different dosage regimens of YH4808 (100 mg twice a day, 200 mg once a day, or 200 mg twice a day), and the fourth group received esomeprazole 40 mg twice a day. The pharmacokinetic parameters demonstrated that the systemic exposure of YH4808 increased in a dose-proportional manner. The difference in the proportion of time above pH 4 over 24 h from the baseline was the greatest in the group receiving YH4808 200 mg twice a day. The values of the area under the effect curve at night time (12 A.M.–7 A.M.) were higher in all YH4808 groups than in the esomeprazole group. However, the differences among the YH4808 groups were not statistically significant (p > 0.05). YH4808 exhibited potential for better pH control during the night in comparison to esomeprazole. The optimal regimen for night time pH control among all the YH4808 regimens was 200 mg twice a day.
A Combined Method of Electrocoagulation and Electrolysis in the Treatment of Dye Wastewater
Jung, Sukyong,Kim, Yongha,Oh, Changsup,Kang, Kilyoon,Suh, Kuenhack The Society of Chemical Engineers, Japan 2005 Journal of chemical engineering of Japan Vol.38 No.12
<P>A combined electrochemical method which added electrolysis to the electrocoagulation was proposed to overcome awaiting problems of the exiting process. In this study, the effects of operating parameters including the current density, electrolysis time, electrolyte concentration and dyestuff type were investigated. The results show that COD removal was enhanced with the electrolysis time and the current density. In the COD removal efficiency, a maximum value of 96.8% was obtained in the combination of electrocoagulation and electrolysis. Regarding the effect of electrolyte concentration, major contribution toward the increase in COD removal could be attributed due to the addition of NaCl.</P>
Pharmacodynamic evaluation of YH4808 for Helicobacter pylori eradication in healthy subjects
Hyeonsoo Park,김춘옥,Mikyung Kim,Yeji Lim,이우열,Sukyong Yoon,박민수 대한임상약리학회 2020 Translational and Clinical Pharmacology Vol.28 No.3
YH4808 is a novel selective potassium-competitive acid blocker demonstrated to be safe andto have inhibitory effects against gastric acid secretion in previous studies. A randomized,open-label, multiple-dose, 3-treatment, 1-period, parallel design study was conducted tocompare the Helicobacter pylori eradication rates and acid suppression capacities of threeregimens in 60 healthy subjects with H. pylori-positive, and the potential of YH4808 toreplace proton-pump inhibitors (PPIs) in standard regimens for H. pylori eradication. Group1 received YH4808, amoxicillin, and clarithromycin as a novel triple regimen, while Group2 received YH4808 and amoxicillin only, and Group 3 received esomeprazole, amoxicillin,and clarithromycin, as the standard triple regimen. H. pylori eradication rates were 85.0% forGroup 1, 25.0% for Group 2, and 83.3% for Group 3. Relative response rate between Group 1and 3 was 1.02 (0.50–2.07; 95% CI, χ2test p = 0.8881). Furthermore, the novel triple regimen,YH4808, amoxicillin, and clarithromycin, stably inhibited acid secretion and maintaineda gastric pH greater than 4 or 5 for 24 hours, which was comparable to the pH range in thestandard triple regimen. However, the onset times of the YH4808 regimens were earlier thanthat for the regimens using esomeprazole. There were no differences in the incidences orseverity of adverse events among the three groups. Overall, the novel triple regimen was safeand well-tolerated. YH4808 could replace PPIs in standard triple regimens used for H. pylorieradication.