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| 1 | Expression of heat shock proteins (HSP27, HSP60, HSP70, HSP90, GRP78, GRP94) in hepatitis B virus-related hepatocellular carcinomas and dysplastic nodules显示文摘AIM: Expression of heat shock proteins (HSPs) is frequently up-regulated in hepatocellular carcinoma (HCC), which evolves from dysplastic nodule (DN) and early HCC to advanced HCC. However, little is known about the differential expression of HSPs in multistep hepatocarcinogenesis. It was the purpose of this study to monitor the expression of HSPs in multistep hepatocarcinogenesis and to evaluate their prognostic significance in hepatitis B virus (HBV)related HCC.METHODS: Thirty-eight HCC and 19 DN samples were obtained from 52 hepatitis B surface antigen-positive Korean patients. Immunohistochemical and dot immunoblot analyses of HSP27, HSP60, HSP70, HSP90, glucoseregulated protein (GRP)78, and GRP94 were performed and their expression at different stages of HCC development was statistically analyzed.RESULTS: Expression of HSP27, HSP70, HSP90, GRP78, and GRP94 increased along with the stepwise progression of hepatocarcinogenesis. Strong correlation was found only in GRP78 (Spearman's r= 0.802). There was a positive correlation between the expressions of GRP78, GRP94, HSP90, or HSP70 and prognostic factors of HCC. Specifically, the expression of GRP78, GRP94, or HSP90 was associated significantly with vascular invasion and intrahepatic metastasis.CONCLUSION: The expressions of HSPs are commonly up-regulated in HBV-related HCCs and GRP78 might play an important role in the stepwise progression of HBVrelated hepatocarcinogenesis. GRP78, GRP94, and HSP90 may be important prognostic markers of HBV-related HCC, strongly suggesting vascular invasion and intrahepatic metastasis. | Seung Oe Lim Sung Gyoo Park Jun-Hi Yoo Young Min Park Hie-Joon Kim Kee-Taek Jang Jae Won Cho Byung Chul Yoo Gu-Hung Jung Cheol Keun Park | 2005 | World Journal of Gastroenterology2005，11，14： | 62 |
| 2 | Diagnostic value of AFP-L3 and PIVKA-Ⅱin hepatocellular carcinoma according to total-AFP显示文摘AIM:To evaluate diagnostic value ofα-fetoprotein (AFP)-L3 and prothrombin induced by vitamin K absence-Ⅱ(PIVKA-Ⅱ)in hepatocellular carcinoma(HCC). METHODS:One hundred and sixty-eight patients during routine HCC surveillance were included in this study.Of the 168 patients,90(53.6%)had HCC including newly developed HCC(n=82)or recurrent HCC after treatment(n=8).Sera were obtained during their first evaluation for HCC development and at the time of HCC diagnosis before commencing HCC treatment.HCC was diagnosed by histological examination,appropriate imaging characteristics-computed tomography or magnetic resonance imaging.Control sera were collected from 78 patients with benign liver disease(BLD),which were obtained during routine surveillance with a suspicion of HCC.AFP,AFP-L3 and PIVKA-Ⅱwere measured in the same serum by microchip capillary electrophoresis and liquid-phase binding assay on a micro-total analysis system Wako i30 auto analyzer.The performance characteristics of three tests and combined tests for the diagnosis of HCC were obtained using receiver operating characteristic curves in all populations and subgroups with AFP<20 ng/mL. RESULTS:Of 90 HCC patients,38(42.2%)patients had AFP<20 ng/mL,20(22.2%)patients had AFP 20-200 ng/mL and 32(35.6%)patients had AFP>200 ng/mL.Of the 78 BLD patients,74(94.9%)patients had AFP<20 ng/mL.After adjustment for age and HBV infection status,AFP-L3 levels were higher in HCC than in BLD among patients with low AFP levels(<20 ng/mL)(P<0.001).In a total of 168 patients,areas under the curve(AUC)for HCC were 0.879,0.887,0.801 and 0.939 for AFP,AFP-L3,PIVKA-Ⅱand the combined markers,respectively.The combined AUC for three markers showed higher value than the AUCs of individual marker(P<0.05).AFP-L3 had higher AUC value than PIVKA-Ⅱfor HCC detection in entire patients(P =0.043).With combination of AFP-L3(cut-off>5%) and PIVKA-Ⅱ(cut-off>40 AU/L),the sensitivity were 94.4%and specificity were 75.6%in all patients.In 112 patients with low AFP levels(<20 ng/mL),AUCs of AFP-L3,PIVKA-Ⅱand combine AFP-L3 and PIVKA-Ⅱtests were 0.824,0.774 and 0.939,respectively. AFP-L3 with a cut-off value of 5%showed sensitivity of 71.1%and specificity of 83.8%,and PIVKA-Ⅱwith a cut-off value of 40 AU/L had sensitivity of 57.9%and specificity of 95.9%in patients with low AFP levels. The combination of AFP-L3 and PIVKA-Ⅱincreased the sensitivity and specificity up to 92.1%and 79.7%, respectively,in low AFP group.Combined markers detected 81.8%of early stage HCC(Union for Inter-national Cancer Control stageⅠ),86.7%of small sized tumor(<2 cm)and 91.7%of single tumor of HCC in the low AFP group.In multivariate analysis,AFP-L3 was correlated with AFP and tumor size,and PIVKA-Ⅱwas correlated with laboratory tests including serum aspartate aminotransferase,total bilirubin,platelets and albumin levels.PIVKA-Ⅱhad no correlation with AFP,AFP-L3 or tumor characteristics. CONCLUSION:Combined determination of AFP-L3 and PIVKA-Ⅱcould improve the diagnostic value for HCC detection in patients with or without increased AFP levels. | Jong Young Choi Seung Won Jung Hee Yeon Kim Myungshin Kim Yonggoo Kim Dong Goo Kim Eun-Jee Oh | 2013 | World Journal of Gastroenterology2013，19，3： | 55 |
| 3 | Diagnostic value of PIVKA-Ⅱ and alpha-fetoprotein in hepatitis B virus-associated hepatocellular carcinoma显示文摘AIM: To determine the cutoff values and to compare the diagnostic role of alpha-fetoprotein(AFP) and prothrombin induced by vitamin K absence-Ⅱ(PIVKA-Ⅱ) in chronic hepatitis B(CHB).METHODS: A total of 1255 patients with CHB, including 157 patients with hepatocellular carcinoma(HCC), 879 with non-cirrhotic CHB and 219 with cirrhosis without HCC, were retrospectively enrolled. The areas under the receiver operating characteristic(AUROC) curves of PIVKA-Ⅱ, AFP and their combination were calculated and compared.RESULTS: The optimal cutoff values for PIVKA-Ⅱ and AFP were 40 m AU/m L and 10 ng/m L, respectively, for the differentiation of HCC from nonmalignant CHB. The sensitivity and specificity were 73.9% and 89.7%, respectively, for PIVKA-Ⅱ and 67.5% and 90.3% for AFP, respectively. The AUROC curves of both PIVKA-Ⅱ and AFP were not significantly different(0.854 vs 0.853, P = 0.965) for the differentiation of HCC from nonmalignant CHB, whereas the AUROC of PIVKA-Ⅱ was significantly better than that of AFP in patients with cirrhosis(0.870 vs 0.812, P = 0.042). When PIVKA-Ⅱ and AFP were combined, the diagnostic power improved significantly compared to either AFP or PIVKA-Ⅱ alone for the differentiation of HCC from nonmalignant CHB(P < 0.05), especially when cirrhosis was present(P < 0.05).CONCLUSION: Serum PIVKA-Ⅱ might be a better tumor marker than AFP, and its combination with AFP may enhance the early detection of HCC in patients with CHB. | Seung In Seo Hyoung Su Kim Won Jin Kim Woon Geon Shin Doo Jin Kim Kyung Ho Kim Myoung Kuk Jang Jin Heon Lee Joo Seop Kim Hak Yang Kim Dong Joon Kim Myung Seok Lee Choong Kee Park | 2015 | World Journal of Gastroenterology2015，21，13： | 60 |
| 4 | Long-term result of endoscopic Histoacryl (N-butyl-2-cyanoacrylate)injection for treatment of gastric varices显示文摘AIM:To evaluate the long-term efficacy and safety of endoscopic obliteration with Histoacryl for treatment of gastric variceal bleeding and prophylaxis.METHODS:Between January 1994 and March 2010 at SoonChunHyang University Hospital,a total of 127 patients with gastric varices received Histoacryl injections endoscopically.One hundred patients underwent endoscopic Histoacryl injections because of variceal bleeding,the other 27 patients received such injections as a prophylactic procedure.RESULTS:According to Sarin classification,56 patients were GOV1,61 patients were GOV2 and 10 patients were IGV.Most of the varices were large(F2 or F3,111 patients).The average volume of Histoacryl per each session was 1.7±1.3 cc and mean number of sessions was 1.3±0.6.(1 session-98 patients,2 sessions-25 patients,≥3 sessions-4 patients).Twenty-seven patients with high risk of bleeding(large or fundal or RCS+or Child C) received Histoacryl injection as a primary prophylactic procedure.In these patients,hepatitis B virus was the major etiology of cirrhosis,25 patients showed GOV1 or 2(92.6%)and F2 or F3 accounted for 88.9%(n=24).The rate of initial hemostasis was 98.4%and recurrent bleeding within one year occurred in 18.1%of patients.Successful hemostasis during episodes of rebleeding was achieved in 73.9%of cases.Median survival was 50 mo (95%CI 30.5-69.5).Major complications occurred in 4 patients(3.1%).The rebleeding rate in patients with hepatocellular carcinoma or GOV2 was higher than in those with other conditions.None of the 27 subjects who were treated prophylactically experienced treatment-related complications.Cumulative survival rates of the 127 patients at 6 mo,1,3,and 5 years were 92.1%,84.2%,64.2%,and 45.3%,respectively.The 6 mo cumulative survival rate of the 27 patients treated prophylactically was 75%.CONCLUSION:Histoacryl injection therapy is an effective treatment for gastric varices and also an effective prophylactic treatment of gastric varices which carry high risk of bleeding. | Eun Jung Kang Soung Won Jeong Jae Young Jang Joo Young Cho Sae Hwan Lee Hyun Gun Kim Sang Gyune Kim Young Seok Kim Young Koog Cheon Young Deok Cho Hong Soo Kim Boo Sung Kim | 2011 | World Journal of Gastroenterology2011，17，11： | 41 |
| 5 | Worldwide experiences of endoscopic submucosal dissection:Not just Eastern acrobatics显示文摘The high incidence of gastric cancer has led to the initiation of cancer screening programs.As a result,the number of early gastric cancer cases has increased and consequentially,the cancer mortality rate has decreased.Moreover,the development of minimally invasive endoscopic treatment has been introduced for these early lesions.Endoscopic submucosal dissection(ESD) is now recognized as one of the preferred treatment modalities for premalignant gastrointestinal epithelial lesions and early gastric cancer without lymph node metastasis.We review the results of ESD including experiences in Japan and Korea,as well as western countries. | Kwang Bum Cho Won Joong Jeon Jae J Kim | 2011 | World Journal of Gastroenterology2011，17，21： | 48 |
| 6 | Clinical implications of fatty pancreas:Correlations between fatty pancreas and metabolic syndrome显示文摘AIM:To investigate the clinical implications of lipid deposition in the pancreas(fatty pancreas). METHODS:The subjects of this study were 293 patients who had undergone abdominal computed tomography(CT)and sonography.Fatty pancreas was diagnosed by sonographic findings and subdivided into mild,moderate,and severe fatty pancreas groups comparing to the retroperitoneal fat echogenicity. RESULTS:Fatty pancreas was associated with higher levels for visceral fat,waist circumference,aspartate aminotransferase(AST),alanine aminotransferase (ALT),total cholesterol,triglyceride,high density lipoprotein,free fatty acid,γ-GTP,insulin,and the homeostasis model assessment of insulin resistance (HOMA-IR)than the control group(P<0.05).HOMAIR,visceral fat,triglyceride,and ALT also tended to increase with the degree of fat deposition in the pancreas on sonography.In a multivariate logistic regression analysis,HOMA-IR,visceral fat,and ALT level were independently related to fatty pancreas after adjustment for age,body mass index,and lipid profile.The incidence of metabolic syndrome in the fatty pancreas group was significantly higher than in the control group,and the numbers of metabolic syndrome parameters were significantly higher in the fatty pancreas group(P<0.05).CONCLUSION:Sonographic fatty pancrease showed higher insulin resistance,visceral fat area,triglyceride, and ALT levels than normal pancreases.Fatty pancreas also showed a strong correlation with metabolic syndrome. | Jun Seok Lee Sang Heum Kim Dae Won Jun Jee Hye Han Eun Chul Jang Ji Young Park Byung Kwan Son Seong Hwan Kim Yoon Ju Jo Young Sook Park Yong Soo Kim | 2009 | World Journal of Gastroenterology2009，15，15： | 40 |
| 7 | Limited endoscopic sphincterotomy plus large balloon dilation for choledocholithiasis with periampullary diverticula显示文摘AIM: To investigate the effectiveness and safety of limited endoscopic sphincterotomy (EST) plus large balloon dilation (LBD) for removing choledocholithiasis in patients with periampullary diverticula (PAD). METHODS: A total of 139 patients with common bile duct (CBD) stones were treated with LBD (10-20 mm balloon diameter) after limited EST. Of this total, 73 patients had PAD and 66 patients did not have PAD (controls). The results of stone removal and complications were retrospectively evaluated. RESULTS: There were no significant differences between the PAD and the control groups in overall successful stone removal (94.5% vs 93.9%), stone removal in first session (69.9% vs 81.8%), mechanical lithotripsy (12.3% vs 13.6%), and complications (11.0% vs 7.6%). Clinical outcomes were also similar between the types of PAD, but the rate of stone removal in first session and the number of sessions were significantly lower and more frequent, respectively, in type B PAD (papilla located near the diverticulum) than controls [23/38 (60.5%) vs 54/66 (81.8%), P = 0.021; and 1 (1-2) vs 1 (1-3), P = 0.037, respectively] and the frequency of pancreatitis was significantly higher in type A PAD (papilla located inside or in the margin of the diverticulum) than in controls (16.1% vs 3.0%, P = 0.047). CONCLUSION: Limited EST plus LBD was an effective and safe procedure for removing choledocholithiasis in patients with PAD. However, some types of PAD should be managed with caution. | Hyung Wook Kim Dae Hwan Kang Cheol Woong Choi Jong Hwan Park Jin Ho Lee Min Dae Kim Il Doo Kim Ki Tae Yoon Mong Cho Ung Bae Jeon Suk Kim Chang Won Kim Jun Woo Lee | 2010 | World Journal of Gastroenterology2010，16，34： | 26 |
| 8 | Efficacy and safety of 0.4 percent sodium hyaluronate for endoscopic submucosal dissection of gastric neoplasms显示文摘AIM:To evaluate the efficacy and safety of sodium hyaluronate solution(SH) in endoscopic submucosal dissection(ESD) of gastric neoplasms.METHODS:A prospective multicenter randomized,double blind,controlled trial was designed and utilized in this study.A total of 76 patients with 5-20 mm sized gastric neoplasms were enrolled at three academic hospitals in South Korea from June 2011 to October 2011.Patients were randomly assigned to the 0.4% sodium hyaluronate or control groups.All lesions underwent endoscopic ESD.ESD was performed with 0.4%SH and normal saline(NS) solution for submucosal injection.Efficacy was assessed using en bloc resection and the number of additional injections.Secondary evaluation variables were the volume of injection material,steepness of mucosal elevation,bleeding rate,procedural time and operator satisfaction.Finally,the safety was assessed by analyzing adverse events during the study.RESULTS:The usefulness rate in the 0.4%SH group and the controlled group had statistically significant difference under intention to treat(ITT) analysis(90.91% vs 61.11% P = 0.0041).Under per protocol(PP),the usefulness rate is statistically significant different(93.10% vs 61.76%,P = 0.0036).The difference in volume of the solution injected between 0.4%SH group and the controlled group and NS group was also statistically significant under intention to treat and per protocol analysis(ITT:0.03 ± 0.02 mL vs 0.06 ± 0.03 mL,P = 0.0003,PP:0.03 ± 0.02 mL vs 0.06 ± 0.03 mL,P = 0.0004).Satisfaction above the grade good was significantly higher in the SH group under intention to treat and per protocol analysis(ITT:90.91% vs 61.11%,P = 0.0041,PP = 93.11% vs 61.77%,P = 0.0022).Adverse events above grade 3 were not noticed in either group.All adverse events were treated and were judged as not associated with the submucosal injection solutions.CONCLUSION:0.4%SH solution is a safe and effective agent that doesn't cause any significant adverse events and is useful for submucosal injection during ESD. | Young Dae Kim Jun Lee Ju Yeon Cho Seok Won Kim Seong Hwan Kim Young Kwan Cho Jin Seok Jang Ji Sun Han Joo Young Cho | 2013 | World Journal of Gastroenterology2013，19，20： | 26 |
| 9 | Common bile duct stones on multidetector computed tomography:Attenuation patterns and detectability显示文摘AIM:To investigate the attenuation patterns and detectability of common bile duct(CBD) stones by multidetector computed tomography(MDCT).METHODS:Between March 2010 and February 2012,191 patients with suspicion of CBD stones undergoing both MDCT and endoscopic retrograde cholangiopancreatography(ERCP) were enrolled and reviewed retrospectively.The attenuation patterns of CBD stones on MDCT were classified as heavily calcified,radiopaque,less radiopaque,or undetectable.The association between the attenuation patterns of CBD stones on MDCT and stone type consisting of pure cholesterol,mixed cholesterol,brown pigment,and black pigment and the factors related to the detectability of CBD stones by MDCT were evaluated.RESULTS:MDCT showed CBD stones in 111 of 130 patients in whom the CBD stones were demonstrated by ERCP with 85.4% sensitivity.The attenuation patterns of CBD stones on MDCT were heavily calcified 34(26%),radiopaque 31(24%),less radiopaque 46(35%),and undetectable 19(15%).The radiopacity of CBD stones differed significantly according to stone type(P < 0.001).From the receiver operating characteristic curve,stone size was useful for the determination of CBD stone by MDCT(area under curve 0.779,P < 0.001) and appropriate cut-off stone size on MDCT was 5 mm.The factors related to detectability of CBD stones on MDCT were age,stone type,and stone size on multivariate analysis(P < 0.05).CONCLUSION:The radiopacity of CBD stones on MDCT differed according to stone type.Stone type and stone size were related to the detectability by MDCT,and appropriate cut-off stone size was 5 mm. | Chang Whan Kim Jae Hyuck Chang Yeon Soo Lim Tae Ho Kim In Seok Lee Sok Won Han | 2013 | World Journal of Gastroenterology2013，19，11： | 24 |
| 10 | Efficacy and safety of sorafenib in patients in the Asia-Pacific region with advanced hepatocellular carcinoma: a phase III randomised, double-blind, placebo-controlled trial显示文摘 | Ann-Lii Cheng Yoon-Koo Kang Zhendong Chen Chao-Jung Tsao Shukui Qin Jun Suk Kim Rongcheng Luo Jifeng Feng Shenglong Ye Tsai-Sheng Yang Jianming Xu Yan Sun Houjie Liang Jiwei Liu Jiejun Wang Won Young Tak Hongming Pan Karin Burock Jessie Zou Dimitris Volio | 2009 | Lancet Oncology2009，，1： | 23 |
| 11 | Prognostic factors in patients with node-negative gastric carcinoma:A comparison with node-positive gastric carcinoma显示文摘瞄准:识别淋巴的 clinicopathological 特征节点否定的胃的癌,并且另外在淋巴评估结果指示物节点否定的病人。方法:2848 个胃的癌病人,(53.5%) 1524 是淋巴节点否定。统计分析用艇长模型被执行估计结果指示物。结果:在在节点否定的淋巴和淋巴之间的再发率有有效差量节点积极的病人(14.4% 对 41.0% , P<0.001 ) 。5 年的幸存率在比在淋巴节点积极的淋巴是显著地更低的节点否定的病人(31.1% 对 77.4% , P<0.001 ) 。Univariate 分析表明下列因素影响了 5 年的幸存率:耐心的年龄,肿瘤尺寸,侵略的深度,肿瘤地点,起作用的类型,和在起始的诊断的肿瘤舞台。比例的危险回归建模的艇长表明那种肿瘤尺寸, serosal 侵略,和治愈可能性是独立的,淋巴的统计上重要的、预示的指示物节点否定的胃的癌。结论:淋巴节点否定的病人与相对大的肿瘤和 serosal 侵略让对高治愈可能性,而是病人可归因的有利结果有差的预后。治愈可能性是为淋巴的长期的幸存的最可靠的预言者之一节点否定的胃的癌病人。 | Dong Yi Kim Kyeung Won Seo Jae Kyoon Joo Young Kyu Park Seong Yeob Ryu Hyeong Rok Kim Young Jin Kim Shin Kon Kim | 2006 | World Journal of Gastroenterology2006，12，8： | 20 |
| 12 | Histologic characteristics of gastric polyps in Korea: Emphasis on discrepancy between endoscopic forceps biopsy and endoscopic mucosal resection specimen显示文摘瞄准:在朝鲜人口调查胃的息肉的组织学的特征。方法:我们与胃的息肉考察了内视镜的相片和病人的医药记录通过 2003 年 2 月从 1996 年 4 月经历了内视镜的粘膜切除术。结果:从 74 个病人的 85 胃的息肉的一个总数被考察。Male-to-female 比率是 1:1.96。吝啬的年龄是 59.9 +/- 10.8 年。多重息肉在 10.8% 被观察。胃的息肉最经常发生在窦(58.8%) 。resected 标本上的病理学的结果如下:管状腺瘤 45.9% ,增生的息肉 31.8% ,煽动性的息肉 9.4% ,错构瘤 3.5% ,底的腺息肉 2.4% , tubulovillous 腺瘤 2.4% ,腺癌 2.4% ,发育异常 1.1% ,并且粘膜 pseudolipomatosis 1.1% 。在 resected 标本的内视镜的活体检视和病理之间的差异率是 27.1% 。在息肉和词语索引率的尺寸之间没有关系。结论:在在内视镜的钳活体检视和 resected 标本之间的 histologic 调查结果有可观的差异。全部息肉的组织学的评论的途径应该被执行,特别当一个腺瘤被怀疑时。 | Won Jae Yoon Dong Ho Lee Yong Jin Jung Ji Bong Jeong Ji Won Kim Byeong Gwan Kim Kook Lae Lee Kwang Hyuck Lee Young Soo Park Jin-Hyeok Hwang Jin-Wook Kim Nayoung Kim Jun Kyu Lee Hyun Chae Jung Yong Bum Yoon In Sung Song | 2006 | World Journal of Gastroenterology2006，12，25： | 19 |
| 13 | Overexpression of the M2 isoform of pyruvate kinase is an adverse prognostic factor for signet ring cell gastric cancer显示文摘AIM:To investigate M2 isoform of pyruvate kinase(PKM2) expression in gastric cancers and evaluate its potential as a prognostic biomarker and an anticancer target.METHODS:All tissue samples were derived from gastric cancer patients underwent curative gastrectomy as a primary treatment.Clinical and pathological information were obtained from the medical records.Gene expression microarray data from 60 cancer and 19 noncancer gastric tissues were analyzed to evaluate the expression level of PKM2 mRNA.Tissue microarrays were constructed from 368 gastric cancer patients.Immunohistochemistry was used to measure PKM2 expression and PKM2 positivity of cancer was determined by proportion of PKM2-positive tumor cells and staining intensity.Association between PKM2 expression and the clinicopathological factors was evaluated and the correlation between PKM2 and cancer prognosis was evaluated.RESULTS:PKM2 mRNA levels were increased more than 2-fold in primary gastric cancers compared to adjacent normal tissues from the same patients(log transformed expression level:7.6 ± 0.65 vs 6.3 ± 0.51,P < 0.001).Moreover,differentiated type cancers had significantly higher PKM2 mRNA compared to undifferentiated type cancers(log transformed expression level:7.8 ± 0.70 vs 6.7 ± 0.71,P < 0.001).PKM2 protein was mainly localized in the cytoplasm of primary cancer cells and detected in 144 of 368(39.1%) human gastric cancer cases.PKM2 expression was not related with stage(P = 0.811),but strongly correlated with gastric cancer differentiation(P < 0.001).Differentiated type cancers expressed more PKM2 protein than did the undifferentiated ones.Well differentiated adenocarcinoma showed 63.6% PKM2-positive cells;in contrast,signet-ring cell cancers showed only 17.7% PKM2-positive cells.Importantly,PKM2 expression was correlated with shorter overall survival(P < 0.05) independent of stage only in signet-ring cell cancers.CONCLUSION:PKM2 expression might be an adverse prognostic factor for signet-ring cell carcinomas.Its function and potential as a prognostic marker should be further verified in gastric cancer. | Jae Yun Lim Sun Och Yoon So Young Seol Soon Won Hong Jong Won Kim Seung Ho Choi Jae Yong Cho | 2012 | World Journal of Gastroenterology2012，18，30： | 19 |
| 14 | Anemia after gastrectomy for early gastric cancer:Long-term follow-up observational study显示文摘AIM:To identify the incidence and etiology of anemia after gastrectomy in patients with long-term follow-up after gastrectomy for early gastric cancer.METHODS:The medical records of those patients with early gastric adenocarcinoma who underwent curative gastrectomy between January 2006 and October 2007 were reviewed.Patients with anemia in the preoperative workup,cancer recurrence,undergoing systemic chemotherapy,with other medical conditions that can cause anemia,or treated during follow up with red cell transfusions or supplements for anemia were excluded.Anemia was defined by World Health Organization criteria(Hb < 12 g/dL in women and < 13 g/dL in men).Iron deficiency was defined as serum ferritin < 20 g/dL.Vitamin B12 deficiency was defined as serum vitamin B 12 < 200 pg/mL.Iron deficiency anemia was defined as anemia with concomitant iron deficiency.Anemia from vitamin B 12 deficiency was defined as megaloblastic anemia(mean cell volume > 100 fL) with vitamin B 12 deficiency.The profile of anemia over 48 mo of follow-up was analyzed.RESULTS:One hundred sixty-one patients with gastrectomy for early gastric cancer were analyzed.The incidence of anemia was 24.5% at 3 mo after surgery and increased up to 37.1% at 48 mo after surgery.The incidence of iron deficiency anemia increased during the follow up and became the major cause of anemia at 48 mo after surgery.Anemia of chronic disease and megaloblastic anemia were uncommon.The incidence of anemia in female patients was significantly higher than in male patients at 12(40.0% vs 22.0%,P = 0.033),24(45.0% vs 25.0%,P = 0.023),36(55.0% vs 28.0%,P = 0.004),and 48 mo(52.0% vs 31.0%,P = 0.022) after surgery.Patients with total gastrectomy showed significantly higher incidence of anemia than patients with subtotal gastrectomy at 48 mo after surgery(60.7% vs 31.3%,P = 0.008).The incidence of iron deficiency was significantly higher in female patients than in male patients at 6(35.4% vs 13.3%,P = 0.002),12(45.8% vs 16.8%,P < 0.001),18(52.1% vs 22.3%,P < 0.001),24(60.4% vs 20.9%,P < 0.001),36(62.5% vs 29.2%,P < 0.001),and 48 mo(66.7% vs 34.7%,P = 0.001) after surgery.CONCLUSION:Anemia was frequent after gastrectomy for early gastric cancer,with iron deficiency being the major cause.Evaluation for anemia including iron status should be performed after gastrectomy and appropriate iron replacement should be considered. | Chul-Hyun Lim Sang Woo Kim Won Chul Kim Jin Soo Kim Yu Kyung Cho Jae Myung Park In Seok Lee Myung-Gyu Choi Kyo-Young Song Hae Myung Jeon Cho-Hyun Park | 2012 | World Journal of Gastroenterology2012，18，42： | 18 |
| 15 | Endoscopic treatment for early gastric cancer显示文摘Gastric cancer remains one of the most common causes of cancer death.However the proportion of early gastric cancer(EGC)at diagnosis is increasing.Endoscopic treatment for EGC is actively performed worldwide in cases meeting specific criteria.Endoscopic mucosal resection can treat EGC with comparable results to surgery for selected cases.Endoscopic submucosal dissection(ESD)increases the en bloc and complete resection rates and reduces the local recurrence rate.ESD has been performed with expanded indication and is expected to be more widely used in the treatment of EGC through the technological advances in the near future.This review will describe the techniques,indications and outcomes of endoscopic treatment for EGC. | Yang Won Min Byung-Hoon Min Jun Haeng Lee Jae J. Kim | 2014 | World Journal of Gastroenterology2014，20，16： | 18 |
| 16 | Effects of Microstructure on the Tensile, Fracture Toughness and Fatigue Behaviour of Gamma Titanium Aluminides显示文摘The effects of microstructure on the deformation and fracture behaviour of two-phase TiAl alloys were investjgated under monotonic and cyclical loading conditions, over a range of temperatu res.The tensile behaviour is analyzed for deformation temperatures between RT and 950℃, Fracture resistance behaviour and toughening mechanisms at RT and 800℃ are analyzed. and the inverse relationship botween ductility and toughness is explained using the crack initiation toughness. The preliminary results of load-controlled fatigue behaviour at 800℃ are interpreted using the tensile behaviour because deformation structure and fracture modes are similar under these two loading | Young- Won (Y-W.) Kim(UES, Inc., Materials Research Division, 4401 Dayton-Xenia Rd., Dayton, OH 45432, USA)(Paper presented at the International Workshop on OrderedIntermetallics 1992, Hangzhou, China) | 1994 | Journal of Materials Science & Technology1994，10，2： | 18 |
| 17 | Laparoscopy-assisted pylorus-preserving gastrectomy for early gastric cancer: A retrospective study of long-term functional outcomes and quality of life显示文摘BACKGROUND Laparoscopy-assisted pylorus-preserving gastrectomy (LAPPG) was known to have benefits of function-preserving surgery compared to laparoscopy-assisted distal gastrectomy (LADG). However, in clinical settings, delayed gastric emptying and esophageal reflux following LAPPG can be serious issues, making surgeons reluctant to perform LAPPG. It is unclear that LAPPG had better longterm functional outcomes and quality of life compared to LADG. AIM To evaluate the long-term functional outcomes and patient-reported quality of life of LAPPG compared to those of LADG. METHODS We reviewed the clinicopathological data of 195 patients who underwent LADG with Billroth II anastomosis and 101 patients who underwent LAPPG for cT1N0 gastric cancer in the middle third of the stomach between 2012 and 2015. Postoperative complications, nutritional parameters, and survey results of the European Organization for Research and Treatment of Cancer Questionnaire C30 and STO22 questionnaire were compared between the two groups. RESULTS The serum hemoglobin level was significantly higher in the LAPPG group than in the LADG group (P < 0.001). In the endoscopic findings, incidence of bile reflux was lower (P < 0.001);however, the incidence of residual food was higher in the LAPPG group than in the LADG group (P < 0.001). Regarding the quality of life score, the LAPPG group had a better physical functioning score (86.7 vs 90.0, P = 0.032) but also greater pain and reflux when compared to the LADG group [8.3 vs 16.7 in pain, 11.1 (interquartile range, 0, 22.2) vs 11.1 (interquartile range, 11.1, 33.3) in reflux, P = 0.034 and 0.001, respectively]. CONCLUSION LAPPG is beneficial to recovery of anemia and to bile reflux, however, it might be unfavorable in terms of pain and reflux symptoms compared to LADG with Billroth II anastomosis. | Bang Wool Eom Boram Park Hong Man Yoon Keun Won Ryu Young-Woo Kim | 2019 | World Journal of Gastroenterology2019，25，36： | 18 |
| 18 | Recurrence after endoscopic piecemeal mucosal resection for large sessile colorectal polyps显示文摘AIM: To evaluate the safety and outcomes of endoscopic piecemeal mucosal resection (EPMR) for large sessile colorectal polyps. METHODS: The patients enrolled in this study were 47 patients with 50 large sessile polyps (diameter, 2 cm or greater) who underwent EPMR using a submucosal saline injection technique between December 2002 and October 2005. All medical records, including characteristics of the patients and polyps, complications, and recurrences, were retrospectively reviewed. The first follow-up endoscopic examination was performed at 3-6 mo after initial endoscopic resection, and the second at 12 mo postEPMR. Subsequent surveillance colonoscopic examinations were individualized, taking risk factors into account. RESULTS: The patients were 23 men and 24 women,with a mean age of 60 years. Mean polyp size was 30.1 mm. Of 50 polyps identified, 34 (68%) were benign and 16 (32%) were malignant. There were 6 (12%) cases with EPMR-related bleeding: 5 intra-procedural and 1 early post-procedural bleeding. All bleeding episodes were managed by endoscopic clipping or argon beam coagulation. There were no perforations. Recurrence was identified in 5 cases (12.2%): 4 local recurrences detected at 3 mo post-EPMR and 1 local recurrence detected at 14 mo post-EPMR. The recurrence rate after EPMR was 3.1% for benign polyps and 33.3% for malignant polyps (P < 0.05). Median follow-up time was 37 mo. CONCLUSION: EPMR is safe, but should be applied carefully in malignant polyps. Close follow-up endoscopic examinations are necessary for early detection of recurrence. | Guh Jung Seo Dae Kyung Sohn Kyung Su Han Chang Won Hong Byung Chang Kim Ji Won Park Hyo Seong Choi Hee Jin Chang Jae Hwan Oh | 2010 | World Journal of Gastroenterology2010，16，22： | 17 |
| 19 | Optimal biliary drainage for inoperable Klatskin's tumor based on Bismuth type显示文摘AIM: To investigate differences in the effects of biliary drainage procedures in patients with inoperable Klatskin’s tumor based on Bismuth type, considering endoscopic retrograde biliary drainage (ERBD), external percutaneous transhepatic biliary drainage (EPTBD) and internal biliary stenting via the PTBD tract (IPTBD). METHODS: The initial success rate, cumulative patency rate, and complication rate were compared retrospectively, according to the Bismuth type and ERBD, EPTBD, and IPTBD. Patency was defined as the duration for adequate initial bile drainage or to the point of the patient’s death associated with inadequate drainage. RESULTS: One hundred thirty-four patients (93 men, 41 women; 21 Bismuth type Ⅱ, 47 Ⅲ, 66 Ⅳ; 34 ERBD, 66 EPTBD, 34 IPTBD) were recruited. There were no differences in demographics among the groups. Adequate initial relief of jaundice was achieved in 91% of patients without a significant difference in the results among different procedures or Bismuth types. The cumulative patency rates for ERBD and IPTBD were better than those for EPTBD with Bismuth type Ⅲ. IPTBD provided an excellent response for Bismuth type Ⅳ. However, there was no difference in the patency rate among drainage procedures for Bismuth type Ⅱ. Procedure-related cholangitis occurred less frequently with EPTBD than with ERBD and IPTBD. CONCLUSION: ERBD is recommended as the first- line drainage procedure for the palliation of jaundice in patients with inoperable Klatskin’s tumor of Bismuth type Ⅱ or Ⅲ, but IPTBD is the best option for Bismuth type Ⅳ. | Sang Hyub Lee Joo Kyung Park Won Jae Yoon Jun Kyu Lee Ji Kon Ryu Yong Bum Yoon Yong-Tae Kim | 2007 | World Journal of Gastroenterology2007，13，29： | 17 |
| 20 | The association of benign prostatic hyperplasia with lower urinary tract stones in adult men: A retrospective multicenter study显示文摘Objective:To examine the relationship between benign prostatic hyperplasia(BPH)and the presence of lower urinary tract stones.Methods:We retrospectively reviewed the records of men with lower urinary tract stones who presented to three clinical centers in Korea over a 4-year period.We divided the patients into two groups based on the location of urinary stones:Group 1(bladder calculi)and Group 2(urethral calculi).We compared the characteristics of both groups and performed univariate and multivariate analyses with a logistic regression model to investigate the relationship between BPH and lower urinary tract stones.Results:Of 221 patients,194(87.8%)had bladder calculi and 27(12.2%)had urethral calculi.The mean age of Group 1 was higher than that of Group 2(68.9612.11 years vs.55.7414.20 years,p<0.001).The mean prostate volume of Group 1 was higher than that of Group 2(44.4727.14 mL vs.24.706.41 mL,respectively,p<0.001).Multivariate logistic regression showed that age(OR Z 1.075,95%CI:1.023e1.129)and prostate volume(OR Z 1.069,95%CI:1.017e1.123)were independently associated with increased risk for bladder calculi.Upper urinary tract stones and/or hydronephrosis conferred a 3-fold risk for urethral calculi(OR Z 3.468,95%CI:1.093e10.999).Conclusion:Age and prostate volume are independent risk factors for bladder calculi.In addition,men with upper urinary tract disease are at greater risk for urethral calculi,which may migrate from the upper urinary tract rather than from the bladder. | Jae Hung Jung Jinsung Park Won Tae Kim Hong Wook Kim Hyung Joon Kim Sungwoo Hong Hee Jo Yang Hong Chung | 2018 | Asian Journal of Urology2018，5，2： | 17 |
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