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Diagnosis of gastric epithelial neoplasia:Dilemma for Korean pathologists

World Journal of Gastroenterology 2011年第21期17卷 2602-2610页

作者： Joon Mee Kim Mee-Yon Cho Jin Hee Sohn Dae Young Kang Cheol Keun Park Woo Ho Kim So-Young Jin Kyoung Mee Kim Hee Kyung Chang Eunsil Yu Eun Sun Jung Mee Soo Chang Jong Eun Joo Mee Joo Youn Wha Kim Do Youn Park Yun Kyung Kang Sun Hoo Park Hye Seung Han Young Bae Kim Ho Sung Park Yang Seok Chae kye won kwon Hee Jin Chang The Gastrointestinal Pathology Study Group of Korean Society of Pathologists Department of Pathology Inha University Hospital Department of Pathology Yonsei University Wonju College of Medicine Wonju Christian Hospital Department of Pathology Sungkyunkwan University School of MedicineKangbuk Samsung Medical Center Department of Pathology Chungnam National University College of Medicine Department of Pathology Sungkyunkwan University School of MedicineSamsung Medical Center Department of Pathology Seoul National University College of Medicine Department of Pathology Soonchunhyang University Hospital Department of Pathology Kosin University College of Medicine Department of Pathology University of Ulsan College of MedicineAsan Medical Center Department of Pathology The Catholic University of KoreaSeoul St.Mary's Hospital Department of Pathology Seoul National University Boramae Hospital Department of Pathology Eulji General Hospital Department of Pathology Inje University Ilsan Paik Hospital Department of Pathology Kyunghee University College of Medicine Department of Pathology Pusan National University College of Medicine Department of Pathology Inje University Seoul Paik Hospital Department of Pathology Korea Cancer Center Hospital Department of Pathology Konkuk University Medical Center Department of Pathology Ajou University School of Medicine Department of Pathology Chonbuk National University Medical School Department of Pathology Korea University College of Medicine Department of Pathology Bundang Jesaeng Hospital Department of Pathology National Cancer Center The Korean Society of Pathologists 4FThe Korean Medical Association BuildingSeoul 140-721South Korea

The histopathological diagnosis of gastric mucosal biopsy and endoscopic mucosal resection/endoscopic submucosal dissection specimens is important,but the diagnostic criteria,terminology,and grading system are not the same in the East and West.A structurally invasive focus is necessary to diagnose carcinoma for most Western pathologists,but Japanese pathologists make a diagnosis of cancer based on severe dysplastic cytologic atypia irrespective of the presence of *** the Vienna classification was introduced to reduce diagnostic discrepancies,it has been difficult to adopt due to different concepts for gastric epithelial neoplastic *** pathologists experience much difficulty making a diagnosis because we are influenced by Japanese pathologists as well as Western *** is geographically close to Korea,and academic exchanges are ***,Korean doctors are familiar with Western style medical *** a result,the terminology,definitions,and diagnostic criteria for gastric intraepithelial neoplasia are very heterogeneous in *** solve this problem,the Gastrointestinal Pathology Study Group of the Korean Society of Pathologists has made an effort and has suggested guidelines for differential diagnosis:(1) a diagnosis of carcinoma is based on invasion;(2) the most important characteristic of low grade dysplasia is the architectural pattern such as regular distribution of crypts without severe branching,budding,or marked glandular crowding;(3) if nuclear pseudostratification occupies more than the basal half of the cryptal cells in three or more adjacent crypts,the lesion is considered high grade dysplasia;(4) if severe cytologic atypia is present,careful inspection for invasive foci is necessary,because the risk for invasion is very high;and(5) other structural or nuclear atypia should be evaluated to make a final decision such as cribriform pattern,papillae,ridges,vesicular nuclei,high nuclear/cytoplasmic ratio,loss

关键词： Intraepithelial neoplasia Stomach Dysplasia Adenoma Carcinoma Japanese Western Consensus Vienna

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Kale Juice Improves Coronary Artery Disease Risk Factors in Hypercholesterolemic Men

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Biomedical and Environmental Sciences 2008年第2期21卷 91-97页

作者： SOO YEON KIM SUN YOON SOO MI kwon kye SOOK PARK YANG CHA LEE-KIM Graduate School of Human Environmental Science Department of Food and Nutrition College of Human Ecology Yonsei Health Center Yonsei University 134 Shinchon-dong Sudaemun-ku 120-749 Seoul Korea

Objective To evaluate the effect of 3-month kale （Brassica oleracea acephala） juice supplementation on coronary artery disease risk factors among hypercholesterolemic men. Methods Thirty-two men with hypercholesterolemia （〉 200 mg/dL） were recruited after annual health examinations among the faculty and staff at university. The subjects consumed 150 mL of kale juice per day for a 12-week intervention period. Dietary and anthropometric assessments were performed and blood samples were collected to evaluate biochemical profiles before and after supplementation. Results Serum concentrations of HDL-cholesterol, and HDL- to LDL-cholesterol ratio were significantly increased by 27% （P〈0.0001） and 52% （P〈0.0001）, respectively. The LDL-cholesterol concentration and the atherogenic index were significantly reduced by 10% （P=0.0007） and 24.2% （P〈0.0001）, respectively without affecting body mass index, waist and hip circumferences, or nutrient intakes after three months of supplementation. While there was no difference in the concentration of malondialdehyde, significant increase in glutathione peroxidase activity （P=0.0005） were accompanied by a significant increase in the serum selenium level （P=0.0132）. It was also found that the responses of these risk factors to kale juice administration were dependent on smoking status. Conclusion Regular meals supplementation with kale juice can favorably influence serum lipid profiles and antioxidant systems, and hence contribute to reduce the risks of coronary artery disease in male subjects with hyperlipidemia.

关键词： Kale juice Hyperlipidemia Coronary artery disease Lipid profile Antioxidant system

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Indolocarbazole-Based Small Molecule Cathode-Active Material Exhibiting Double Redox for High-Voltage Li-Organic Batteries

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Energy & Environmental Materials 2024年第5期7卷 86-94页

作者： Hyunji Park Hyojin kye Jong-Sung Lee Young-Chang Joo Dong Joo Min Bong-Gi Kim Soo Young Park Ji Eon kwon Laboratory for Supramolecular Optoelectronic Materials(LSOM) Department of Materials Science and EngineeringResearch Institute of Advanced Materials(RIAM)Seoul National University1 Gwanak-roGwanak-guSeoul 08826Korea Functional Composite Materials Research Center Jeonbuk Institute of Advanced Composite MaterialsKorea Institute of Science and Technology(KIST)92 Chudong-roBongdong-eupWanju-gunJeonbuk 55324Korea Department of Organic and Nano System Engineering Konkuk University120 Neungdong-roGwangjin-guSeoul 05029Korea Department of Materials Science and Engineering Seoul National University1 Gwanak-roGwanak-guSeoul 08826Korea Department of JBNU-KIST Industry Academia Convergence Research Jeonbuk National University567 Baekje-daeroDeokjin-guJeonjuJeonbuk 54896Korea

Most organic electrode materials(OEMs)for rechargeable batteries employ n-type redox centers,whose redox potentials are intrinsically limited<3.0 V versus Li^(+)/***,p-type materials possessing high redox potentials experience low specific capacities because they are capable of only a single redox reaction within the stable electrochemical window of typical ***,we report 5,11-diethyl-5,11-dihydroindolo[3,2-b]carbazole(DEICZ)as a novel p-type OEM,exhibiting stable plateaus at high discharge potentials of 3.44 and 4.09 V versus Li^(+)/***,the second redox potential of DEICZ is within the stable electrochemical *** mechanism of the double redox reaction is investigated using both theoretical calculations and experimental measurements,including density functional theory calculations,ex situ electron spin resonance,and X-ray photoelectron ***,hybridization with single-walled carbon nanotubes(SWCNT)improves the cycle stability and rate performance of DEICZ owing to theπ-πinteractions between the SWCNT and co-planar molecular structure of DEICZ,preventing the dissolution of active materials into the *** DEICZ/SWCNT composite electrode maintains 70.4%of its initial specific capacity at 1-C rate and also exhibits high-rate capability,even performing well at 100-C ***,we demonstrate its potential for flexible batteries after applying 1000 bending stresses to the composite electrode.

关键词： composite electrodes flexible batteries indolocarbazoles organic rechargeable batteries p-type

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Reconstruction of Rabbit Corneal Layer Composed of Corneal Fibroblasts and Corneal Epithelium on the Lyophilized Amniotic Membrane

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Chemical Research in Chinese Universities 2006年第2期22卷 150-156页

作者： AHN Jae-il JANG In-keun YOON Mun-young SEO Young-kwon YOON Hee-hun KIN Jae-chan SONG kye-yong YANG Eun-kyung PARK Jung-keug Department of Chemical and Biochemical Engineering Dongguk University Seoul Korea Department of Ophthalmology Chung-Ang University Hospital Seoul Korea Department of Pathology College of Medicine Chung-Ang University Seoul Korea R & D Center Bioland Ltd. Chun-An Korea

Many researchers have employed the cryopreserved amniotic membrane（CAM） and corneal epithelial cells in the treatment of a severely damaged burned cornea, with corneal epithelial cells cultured on an amniotic membrane （AM）. The lyophilized amniotic membrane（LAM） has a higher graft take and a longer shelf life; it is easier to store and safer because of gamma irradiation. Two Teflon rings（ Ahn＇s supporter） were made for culturing the cells on the LAM, and were then used to support the LAM. To reconstruct a corneal layer composed of corneal fibroblasts and epithelium, the corneal fibroblasts were first cultivated on the stromal side of LAM for five days, foUowed by epithelial cells culture on the epithelial side, by using the air-liquid interface culture. The reconstructed corneal layer composed of corneal fibroblasts and corneal epithelial cells has a much healthier basal layer of corneal epithelium than the reconstructed corneal epithelium, which was got by using only corneal epithelial cells, and resembles the epithelium of normal corneas, without the horny layer. Thus, the reconstruction of the corneal layer by using a LAM is considered to be a good in vitro model, not only for its application in toxicological test kits, but also for transplantation in patients with a severely damaged cornea.

关键词： Lyophilized amniotic membrane Corneal layer Corneal fibroblast Corneal epithelium

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Histopathology and TB-PCR kit analysis in differentiating the diagnosis of intestinal tuberculosis and Crohn’s disease

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World Journal of Gastroenterology 2010年第20期16卷 2496-2503页

作者： Joon Mee Kim Hyung Kil Kim Lucia Kim Suk Jin Choi In Suh Park Jee Young Han Young Chae Chu kye Sook kwon Eun Joo Kim Department of Pathology College of Medicine Inha University7-206 Shin-heung-Dong 3 GaJoong-GuIncheon 400-711South Korea Gastroenterology College of Medicine Inha University7-206 Shinheung-Dong 3 GaJoong-GuIncheon 400-711South Korea Department of Nano and Bio Research Daegu Gyeongbuk Institute of Science and TechnologyDeocksan-dong 110Daegu 700-742South Korea

AIM: To compare the histopathologic features of intestinal tuberculosis (ITB) and Crohn’s disease (CD) and to identify whether polymerase chain reaction for Mycobacterium tuberculosis (TB-PCR) would be helpful for differential diagnosis between ITB and ***: We selected 97 patients with established diagnoses (55 cases of ITB and 42 cases of CD) who underwent colonoscopic *** features of ITB and CD were reviewed,and eight pathologic parameters were *** cases of acid fast bacilli culture-positive specimens and 10 normal colonic tissue specimens were evaluated as the positive and negative control of the TB-PCR test,*** assays were done using two commercial kits: kit detected IS6110 and MPB64,and kit detected IS6110 only;a manual in-house PCR method was also performed on formalin-fi xed,paraffi n-embedded colonoscopic biopsy ***: Statistically significant differences were noted between ITB and CD with regard histopathologic criteria: size of granulomas (P = 0.000),giant cells (P = 0.015),caseation necrosis (P = 0.003),confluent granulomas (P = 0.001),discrete granulomas (P = 0.000),and granulomas with lymphoid cuffs (P = 0.037).However,29 cases (52.7%) of ITB showed less than fi ve kinds of pathologic parameters,resulting in confusion with *** sensitivities and specificities of the TB-PCR test by kit ,kit ,and the in-house PCR method were 88.9% and 100%,88.9% and 100%,and 66.7% and 100% in positive and negative controls,*** PCR test done on endoscopic biopsy specimens of ITB and CD were signifi cantly different with kit (P = 0.000) and kit (P = 0.000).The sensitivities and specifi cities of TB-PCR were 45.5% and 88.1%,36.4% and 100%,and 5.8% and 100%,for kit and kit and inhouse PCR method on endoscopic biopsy *** the 29 cases of histopathologically confusing CD,10 cases assayed using kit and 6 cases assayed using kit were TB-PCR positive.A combi

关键词： Intestine Tuberculosis Crohn’s disease Histopathology Polymerase chain reaction Kit IS6110 MPB64

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Esophageal mucosal metastasis from adenocarcinoma of the distal stomach

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World Journal of Gastroenterology 2013年第23期19卷 3699-3702页

作者： Sung-Ho Ki Seok Jeong In Suh Park Don Haeng Lee Jung Il Lee kye Sook kwon Hyung Gil Kim Yong Woon Shin Division of Gastroenterology Department of Internal Medicine Pohang St. Mary's HospitalPohang 790-825 South Korea Division of Gastroenterology Department of Internal Medicine Inha University School of MedicineIncheon 400-711 South Korea Department of Pathology Inha University School of MedicineIncheon 400-711 South Korea Center for Advanced Medical Education by BK21 Project Inha University School of Medicine Utah-Inha DDS and Advanced Therapeutics Research CenterIncheon 400-711 South Korea

Dissemination of gastric cancer may usually occur by direct spread through the perigastric tissues to adjacent organ, lymphatic spread, and hematogenous spread. We report a rare case of gastric cancer with mucosal metastastic lesion on the upper esophagus that was diagnosed by endoscopy and endosonography. A biopsy of the esophageal mass was performed and the pathologic findings with immunohistochemical stain for Mucin-5AC are proved to be identical to that of gastric adenocarcinoma, suggesting metastasis from main lesion of the gastric cancer. The lesion could not be explained by lymphatic or hematogenous spread,and its metastasis mechanism is considered to be different from previous studies. We suggest that the gastroesophageal reflux of cancer cells could be one of the possible metastatic pathways for metastasis of esophagus from an adenocarcinoma of the stomach.

关键词： Stomach cancer Neoplasm metastasis Esophagus

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Giant choledocholithiasis treated by mechanical lithotripsy using a gastric bezoar basket

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World Journal of Gastroenterology 2012年第25期18卷 3327-3330页

作者： Hyun Jung Chung Seok Jeong Don Haeng Lee Jung Il Lee Jin-Woo Lee Byoung Wook Bang kye Sook kwon Hyung Kil Kim Yong Woon Shin Young Soo Kim Division of Gastroenterology Department of Internal MedicineInha University School of MedicineIncheon 400-711South Korea

Mechanical lithotripsy （ML） is usually considered as a standard treatment option for large bile duct stones. However, it is impossible to retrieve oversized stones because the conventional lithotripsy basket may not be able to grasp the stone. However, there is no es- tablished endoscopic extraction method for such gi- ant stone removal. We describe a case of successful extraction of a 4-cm large stone using a gastric bezoar basket. A 78-year-old woman had suffered from upper abdominal pain for 20 d. Contrast-enhanced computed tomogram revealed a 4-cm single stone in the distal common bile duct （CBD）. Endoscopic stone retraction was decided upon and endoscopic papillary balloon dilation was performed using a large balloon. An at- tempt to capture the stone using a standard lithotripsy basket failed due to the large stone size. Subsequently, we used a gastric bezoar basket to successfully capturethe stone. The stone was fragmented into small pieces and extracted. The stone was completely removed after two sessions of endoscopic retrograde cholangio- pancreatography; each of which took 30 rain. No com- plications occurred during or after the procedure. The patient was fully recovered and discharged on day 11 of hospitalization. ML using a gastric bezoar basket is a safe and effective retrieval method in select cases, and is considered as an alternative nonoperative option for the management of difficult CBD stones.

关键词： Giant choledocholithiasis Mechanical litho-tripsy Bezoar basket Common bile duct stone Endo-scopic papillary balloon dilatal^ion

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Expression of Ki-67,p53,and K-ras in chronic pancreatitis and pancreatic ductal adenocarcinoma

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World Journal of Gastroenterology 2005年第43期11卷 6765-6769页

作者： Seok Jeong Don Haeng Lee Jung Il Lee Jin-Woo Lee kye Sook kwon Pum-Soo Kim Hyung Gil Kim Yong Woon Shin Young Soo Kim Young Bae Kim Division of Gastroenterology Department of Pathology

AIM： To examine surgical specimens of pancreas with either chronic pancreatitis or pancreatic cancer in order to study whether ductal hyperplasia and dysplasia in pancreas represent precursor lesions for pancreatic cancer. METHODS： We examined expression of Ki-67, CEA, p53, and K-ras, in the surgical specimens of pancreas with adenocarcinomas （n = 11） and chronic pancreatitis （n = 12）. Cellular proliferation was assessed by Ki-67 proliferation index using the proliferation marker Ki-67. In specimens with pancreas cancer, we divided pancreas epithelium into normal （n = 7）, ductal hyperplasia （n = 3）, dysplasia （n = 4）, and cancerous lesion （n = 11） after hematoxylin and eosin staining, Ki-67, and CEA immunohistochemical staining. In cases with chronic pancreatitis, the specimen was pathologically examined as in cases with pancreas cancer, and they were also determined as normal （n = 10）, ductal hyperplasia （n = 4）, or dysplasia （n = 5）. p53 and K-ras expression were also studied by immunohistochemical staining. RESULTS： In pancreatic cancer, the Ki-67 index was 3.73±3.58 in normal site, 6.62±4.39 in ductal hyperplasia, 13.47：1：4.02 in dysplasia and 37.03±10.05 in cancer tissue, respectively. Overall, p53 was positive in normal ducts, ductal hyperplasia, dysplasia, and carcinoma cells in 0 of 14 （0%）, 0 of 7 （0%）, 7 of 9 （78%）, and 10 of 11 （91%）, respectively, and K-ras was positive in 0 of 8 （0%）, 1 of 3 （33%）, 4 of 6 （67%）, 4 of 5 （80%）, respectively. CONCLUSION： Our results favorably support the hypothesis that ductal hyperplasia and dysplasia of the pancreas might be precursor lesions for pancreas cancer. Further evaluation of oncogenes by the molecular study is needed.

关键词： Ki-67 p53 K-ras Chronic pancreatitis Pancreatic ductal adenocarcinoma

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ybrid Management for Supraceliac Aortic Aneurysm in a High-Risk Patient

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Chinese Medical Journal 2018年第14期131卷 1757-1758页

作者： Jun Seong kwon Jeong kye Hwang Sun Cheol Park Sang Dong Kim Department of Surgery Division of Vascular and Transplant Surgery College of Medicine The Catholic University of Korea Seou1403-720 Korea

To the Editor： An 84-year-old male was referred from a local clinic for an incidental thoracoabdominal aortic aneurysm （TAAA） presenting in a supraceliac aortic aneurysm （SCAA） with maximal diameter of 6.0 cm in spine magnetic resonance imaging. He had a medical history of hypertension and chronic obstructive pulmonary disease, and was a 30 pack-years＇ smoker. On physical exalnination, his vital signs were stable and abdomen was soft without pain and tenderness. Laboratory findings showed white blood cell count of 4840/μl, serum creatinine of 9 mg/L, erythrocyte sedimentation rate of 16 mm/h, and c-reactive protein of 13.24 mg/L.

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Heavy metal chemistry in soils received long-term application of organic wastes

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Journal of Agricultural Chemistry and Environment 2012年第1期1卷 1-9页

作者： Soon-Ik kwon Yeon-Ah Jang kye-Hoon Kim Goo-Bok Jung Min-kyeong Kim Hae Hwang Mi-Jin Chae Seung-Chang Hong Kyu-Ho So Sun-Gang Yun kwon-Rae Kim Gyeongnam National University of Science and Technology Jinju South Korea National Academy of Agricultural Science (NAAS) RDA Suwon South Korea The University of Seoul Seoul South Korea

This study was carried out to understand the long-term effect of organic waste treatment on the fate of heavy metals originated from the organic wastes, together with examination of changes in soil properties. For this, the soils received three different organic wastes (municipal sewage sludge, alcohol fermentation processing sludge, pig manure compost) in three different rates (12.5, 25, 50 ton/ha/yr) for 7 years (1994 - 2000) were used. To see the long-term effect, plant growth study and soil examination were conducted twice in 2000 and 2010, respectively. There was no additional treatment of organic wastes for post ten years after ceasing organic waste treatment for seven years. Soil examination conducted in 2010 showed decreases in soil pH, EC, total nitrogen, organic matter, available phosphorus, exchangeable cations and heavy metal contents in all soils received organic wastes compared to the results obtained in 2000. Speciation of heavy metals in soil through sequential extraction showed that organically bound Cu was the dominant species in all treatment and exchangeable Cu was increased in the plots treated with municipal sewage sludge and alcohol fermentation processing sludge. organically bound Ni increased from 25% - 30% to 32% - 45% in 2010 inall treatment while Pb showed increase in carbonate form in all treatments. Zn existed mainly as sulfide and residual forms, showing increases in organically bound form in all treatment during post ten years.

关键词： Heavy Metal Long-Term Application Organic Wastes Sequential Extraction

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