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| 1 | Risk factors affecting pancreatic fistulas after pancreaticoduodenectomy显示文摘AIM: To analyze the risk factors of pancreatic leakage after pancreaticoduodenectomy.METHODS: We retrospectively reviewed 172 consecutive patients who had undergone pancreatico-duodenectomy at Inha University Hospital between April 1996 and March 2006. We analyzed the pancreatic fistula rate according to the clinical characteristics, the pathologic and laboratory findings, and the anastomotic methods.RESULTS: The incidence of developing pancreatic fistulas in patients older than 60 years of age was 21.7% (25/115), while the incidence was 8.8% (5/57) for younger patients; the difference was significant (P = 0.03). Patients with a dilated pancreatic duct had a lower rate of post-operative pancreatic fistulas than patients with a non-dilated duct (P = 0.001). Other factors, including clinical features, anastomotic methods, and pathologic diagnosis, did not show any statistical difference. CONCLUSION: Our study demonstrated that pancreatic fistulas are related to age and a dilated pancreatic duct. The surgeon must take these risk factors into consideration when performing a pancre-aticoduodenectomy. | Yun-Mee Choe Keon-Young Lee Cheong-Ah Oh Joung-Bum Lee Sun Keun Choi Yoon-Seok Hur Sei-Joong Kim Young Up Cho Seung-Ik Ahn Kee-Chun Hong Seok-Hwan Shin Kyung-Rae Kim | 2008 | World Journal of Gastroenterology2008，14，45： | 32 |
| 2 | 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 |
| 3 | Survival outcome of patients with spontaneously ruptured hepatocellular carcinoma treated surgically or by transarterial embolization显示文摘AIM: To evaluate clinical outcomes of patients that underwent surgery, transarterial embolization (TAE), or supportive care for spontaneously ruptured hepatocellular carcinoma (HCC). METHODS: A consecutive 54 patients who diagnosed as spontaneously ruptured HCC at our institution between 2003 and 2012 were retrospectively enrolled. HCC was diagnosed based on the diagnostic guidelines issued by the 2005 American Association for the Study of Liver Diseases. HCC rupture was defined as disruption of the peritumoral liver capsule with enhanced fluid collection in the perihepatic area adjacent to the HCC by dynamic liver computed tomography, and when abdominal paracentesis showed an ascitic red blood cell count of > 50000 mm 3 /mL in bloody fluid. RESULTS: Of the 54 patients, 6 (11.1%) underwent surgery, 25 (46.3%) TAE, and 23 (42.6%) supportive care. The 2-, 4and 6-mo cumulative survival rates at 2, 4 and 6 mo were significantly higher in the surgery (60%, 60% and 60%) or TAE (36%, 20% and 20%) groups than in the supportive care group (8.7%, 0% and 0%), respectively (each, P < 0.01), and tended to be higher in the surgical group than in the TAE group. Multivariate analysis showed that serum bilirubin (HR = 1.09, P < 0.01), creatinine (HR = 1.46, P = 0.04), and vasopressor requirement (HR = 2.37, P = 0.02) were significantly associated with post-treatment mortality, whereas surgery (HR = 0.41, P < 0.01), and TAE (HR = 0.13, P = 0.01) were inversely associated with posttreatment mortality. CONCLUSION: Post-treatment survival after surgery or TAE was found to be better than after supportive care, and surgery tended to provide better survival benefit than TAE. | Young-Joo Jin Jin-Woo Lee Seoung-Wook Park Jung Il Lee Don Haeng Lee Young Soo Kim Soon Gu Cho Yong Sun Jeon Kun Young Lee Seung-Ik Ahn | 2013 | World Journal of Gastroenterology2013，19，28： | 23 |
| 4 | 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 |
| 5 | Eosinophilic gastroenteritis presenting as small bowel obstruction: A case report and review of the literature显示文摘Eosinophilic gastroenteritis is a rare disease of unknown etiology. It is characterized by eosinophilic infiltration of the bowel wall to a variable depth and symptoms associated with gastrointestinal tract. Recently, the authors experienced a case of eosinophilic gastroenteritis presenting as small bowel obstruction. A 51-year old woman was admitted to our hospital complaining of abdominal pain and vomiting. Physical examination revealed a distended abdomen with diffuse tenderness. Complete blood count showed mild leukocytosis without eosinophilia. Computed tomography confirmed a dilatation of the small intestine with ascites. An emergency laparotomy was performed for a diagnosis of peritonitis due to intestinal obstruction. Segmental resection of the ileum and end to end anastomosis were performed. Histologically, there was a dense infiltration of eosinophils throughout the entire thickness of ileal wall and eosinophilic enteritis was diagnosed. The patient recovered well, and was free from gastrointestinal symptoms at the time when we reported her disease. | Min Young Yun Young Up Cho In Suh Park Sun Keun Choi Sei Joong Kim Seok Hwan Shin Kyung Rae Kim | 2007 | World Journal of Gastroenterology2007，13，11： | 19 |
| 6 | 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 |
| 7 | Probucol inhibits LPS-induced microglia activation and ameliorates brain ischemic injury in normal and hyperlipidemic mice显示文摘瞄准:增加的证据建议那 probucol,有抗氧化剂活动的一个类脂化合物阴沉的代理人,可能为有经由在胆固醇和 neuroinflammation 的减小的 hyperlipidemia 的 ischemic 击的治疗有用。在这研究,我们检验了 probucol 是否能在正常和 hyperlipidemic mice.Methods 经由 anti-neuroinflammatory 行动免于大脑 ischemic 损害:主要老鼠 microglia 和鼠科的 BV2 microglia 不为 3 h,和版本暴露于 lipopolysaccharide (LPS ) , PGE2, IL-1β并且在 NF-κ 的 IL-6,以及变化; B,表明小径的 MAPK 和 AP-1 被估计。ApoE 击倒老鼠被喂包含 0.004% 的一本高脂肪的食谱, 0.02% , 0.1%(wt/wt ) 为 10 个星期的 probucol 而正常 C57BL/6J 老鼠收到了 probucol (3, 10, 30 mg· kg -1·d-1, po ) 为 4 d。然后,所有老鼠通过中间的服的动脉吸藏(MCAO ) 受到焦点的服的局部缺血。神经病学的赤字被获得在外科以后的 24 h,然后大脑为测量服的梗塞尺寸和支持 inflammatory mediators.Results 的生产被移开:在对待 LPS 的 BV2 房间和主要 microglial 房间,有 probucol 的预告的处理(1, 5, 10 μ mol/L ) dose-dependently 禁止了版本没有, PGE2, IL-1β并且 IL-6,它发生在抄写铺平。而且, probucol 的禁止的行动与 NF-κ 的 downregulation 被联系;表明小径的 B, MAPK 和 AP-1。在有 MCAO 的正常鼠标, probucol 的管理前 dose-dependently 减少了梗塞卷和改进神经病学的功能。这些效果被支持 inflammatory 调停人的减少的生产伴随(iNOS, COX-2, IL-1, IL-6 ) 。在 ApoE 击倒,老鼠喂了一本高脂肪的食谱, 0.1% probucol 的管理前显著地减少了梗塞体积,改进了跟随 MCAO 的神经病学的赤字,并且减少全部胆固醇并且 LDL 胆固醇 levels.Conclusion:Probucol 禁止导致 LPS 的 microglia 激活并且改善在经由它的 anti-neuroinflammatory 行动的正常和 hyperlipidemic 老鼠的服的 ischemic 损害,建议那 probucol 为 ischemic 击和 hyperlipidemia 为病人的治疗有潜力与或在风险。 | Yeon Suk JUNG Jung Hwa PARK Hyunha KIM So Young KIM Ji Young HWANG Ki Whan HONG Sun Sik BAE Byung Tae CHOI Sae-Won LEE Hwa Kyoung SHIN | 2016 | Acta Pharmacologica Sinica2016，37，8： | 16 |
| 8 | Gender differences in ghrelin, nociception genes, psychological factors and quality of life in functional dyspepsia显示文摘AIM to evaluate gender differences in the aspect of ghrelin,nociception-related genes and psychological aspects and the quality of life(Qo L) in Korean functional dyspepsia(FD) patients.METHODS Total of 191 persons were prospectively enrolled between March 2013 and May 2016 in Seoul National Bundang Hospital,and classified into control and FD group based on ROME Ⅲ criteria. Questionnaire included assessment for dyspepsia symptoms,Qo L and anxiety or depression. Preproghrelin and nociception genes in the gastric mucosa and plasma acyl/des-acyl ghrelin were measured. RESULTS Lower level of plasma acyl ghrelin in FD patients compared to control was significant only in male(15.9 fmol/m L vs 10.4 fmol/m L,P = 0.017). Significantly higher m RNA expressions of nerve growth factor and transient receptor potential vanilloid receptor 1 were observed in male(P = 0.002 and P = 0.014,respectively) than in female. In contrast,female FD patients had a higher anxiety and depression score than male FD(P = 0.029),and anxiety score was correlated with epigastric pain only in female FD patients(female: Spearman rho = 0.420,P = 0.037). The impairment of overall Qo L was more prominent in female FD patients than male patients(5.4 ± 0.3 vs 6.5 ± 0.3,P = 0.020). CONCLUSION Gender differences of ghrelin and nociception-related genes in male and psychological factors in female underlie FD symptoms. More careful assessment of psychological or emotional status is required particularly for the female FD patients. | Yoon Jin Choi Young Soo Park Nayoung Kim Yong Sung Kim Sun Min Lee Dong Ho Lee Hyun Chae Jung | 2017 | World Journal of Gastroenterology2017，23，45： | 16 |
| 9 | Neoadjuvant chemoradiotherapy followed by D2 gastrectomy in locally advanced gastric cancer显示文摘AIM:To investigate the efficacy of neoadjuvant chemoradiotherapy(NACRT) for resectability of locally advanced gastric cancer(LAGC).METHODS:Between November 2007 and January 2014,29 patients with LAGC(clinically T3 with distal esophagus invasion/T4 or bulky regional node metastasis) that were treated with NACRT followed by D2 gastrectomy were included in this study.Resectability was evaluated with radiologic and endoscopic exams before and after NACRT.Using threedimensional conformal radiotherapy,patients received 45 Gy,with a daily dose of 1.8 Gy.The entire tumor extent and the regional metastatic lymph nodes were included in the gross tumor volume.Patients presenting with a resectable tumor after NACRT received a total or subtotal gastrectomy with D2 dissection.The pathologic tumor response was evaluated using Japanese Gastric Cancer Association histologic evaluation criteria.Postoperative morbidity was evaluated using the National Cancer Institute-Common Terminology Criteria for Adverse Events version 4.0.Overall survival(OS) and progression-free survival(PFS) rates were estimated using a Kaplan-Meier analysis and compared using the log-rank test.RESULTS:All patients were assessed as unresectable cases.Twenty-four patients(24/29; 82.8%) showed LAGC on positron emission tomography-computed tomography(CT) and contrast-enhanced CT,whereas four patients(4/29; 13.8%) with vague invasion orabutment to an adjacent organ underwent diagnostic laparoscopy.One patient(1/29; 3.4%),initially assessed as a resectable case,underwent an 'open and closure' after the tumor was found to be unresectable.Abutment to an adjacent organ(34.5%) was the most common reason for NACRT.The clinical response rate one month after NACRT was 44.8%.After NACRT,69%(20/29) of patients had a resectable tumor.Of the 20 patients with a resectable tumor,18 patients(62.1%) underwent a D2 gastrectomy.The R0 resection rate was 94.4% and two patients(2/18; 11.1%) showed a complete response.The median follow-up duration was 13.5 mo.The one-year OS and PFS rates were 72.4 and 48.9%,respectively.The one-year OS,PFS,local failure-free survival,and distant metastasis-free survival were higher in patients with a resectable tumor after NACRT(P < 0.001,P < 0.001,P < 0.001,and P =0.078,respectively).No grade 3-4 late treatment-related toxicities or postoperative mortalities were observed.CONCLUSION:NACRT with D2 gastrectomy showed a high rate of R0 resection and promising local control,which may increase the R0 resection opportunity resulting in survival benefit. | Mi Sun Kim Joon Seok Lim Woo Jin Hyung Yong Chan Lee Sun Young Rha Ki Chang Keum Woong Sub Koom | 2015 | World Journal of Gastroenterology2015，21，9： | 15 |
| 10 | Helicobacter pylori and interleukin-8 in gastric cancer显示文摘Helicobacter pylori(H.pylori)is a major etiological factor in the development of gastric cancer.Large-scale epidemiological studies have confirmed the strong association between H.pylori infection and both cancer development and progression.Interleukin-8(IL-8)is overexpressed in gastric mucosa exposed to H.pylori.The expression of IL-8 directly correlates with a poor prognosis in gastric cancer.IL-8 is multifunctional.In addition to its potent chemotactic activity,it can induce proliferation and migration of cancer cells.In this review,we focus on recent insights into the mechanisms of IL-8 signaling associated with gastric cancer.The relationship between IL-8 and H.pylori is discussed.We also summarize the current therapeutics against IL-8 in gastric cancer. | Ko Eun Lee Pham Ngoc Khoi Yong Xia Jung Sun Park Young Eun Joo Kyung Keun Kim Seok Yong Choi Young Do Jung | 2013 | World Journal of Gastroenterology2013，19，45： | 15 |
| 11 | The diluted atropine for inhibition of myopia progression in Korean children显示文摘AIM:To evaluate the efficacy and safety of three different concentrations of diluted atropine for the control of myopia in Korean children,and to assess the risk factors associated with rapid myopia progression.METHODS:A total of 285 children,with refractive errors within the range of-6 diopters(D)between 5 and 14 years of age were included.After using 0.01%,or 0.025%,or 0.05% atropine,for about 1y,changes in refraction,axial lengths and frequency of adverse events were analyzed.Logistic regression analyses were performed to evaluate the risk factors associated with rapid myopia progression.RESULTS:The changes in the mean spherical equivalent values were -0.134 D/mo in the before atropine group,-0.070 D/mo in the 0.01% atropine group,-0.047 D/mo in the 0.025% atropine group,and -0.019 D/mo in the 0.05% atropine group,with significant differences between the groups(P<0.001).The axial elongation was 0.046 mm/mo,0.037 mm/mo,0.025 mm/mo,and 0.019 mm/mo respectively,with significant differences between the groups(P=0.003).The incidence of photophobia and near vision difficulty was not different among the three atropine groups(P=0.425and P=0.356,respectively).Multivariate logistic regression analyses showed that only highly myopic parents were a significant predictive factor of rapid myopia progression in Korean children(odds ratio,8.155;95% confidence interval,3.626-18.342;P<0.001).CONCLUSION:Treatment with 0.01%,0.025% and 0.05% atropine solution inhibits myopia progression in Korean children in a dose-dependent manner.Children with highly myopic parents preferentially shows a rapid myopia progression rate. | Ji-Sun Moon Sun Young Shin | 2018 | International Journal of Ophthalmology(English edition)2018，11，10： | 14 |
| 12 | Reinfection rate and endoscopic changes after successful eradication of Helicobacter pylori显示文摘AIM:To determine the long-term outcomes regarding reinfection with Helicobacter pylori(H.pylori)and endoscopic changes after successful H.pylori eradication. METHODS:From June 1994 to January 2007,186 patients(M:F=98:88;mean age 50.0±11.4 years), in whom H.pylori had been successfully eradicated, were enrolled.The mean duration of follow up was 41.2±24.0 mo. RESULTS:H.pylori reinfection occurred in 58 patients (31.2%).The average annual reinfection rate was 9.1% per patient year.No recurrence of peptic ulcer was detected at the follow up endoscopy.There were no significant differences between the H.pylori eradication regimens for the reinfection rate and no significant differences in endoscopic findings between the H.pylorirecurred group and the H.pylori-cured group.CONCLUSION:The reinfection rate in Korea is 9.1% which represents a decreasing trend.There was no relationship between H.pylori infection status and changes in endoscopic findings.There was also no recurrence or aggravation of ulcers. | Kum Hei Ryu Sun Young Yi Youn Ju Na Su Jung Baik Su Jin Yoon Hae-Sun Jung Hyun Joo Song | 2010 | World Journal of Gastroenterology2010，16，2： | 14 |
| 13 | Dyslipidemia and H pylori in gastric xanthomatosis显示文摘AIM: To investigate the relationship among gastric xanthomatosis (GX), H pylori, dyslipidemia, and gastritis in Korea, a well-known H pylori endemic area. METHODS: A total of 771 patients who had undergone gastroduodenoscopy by one endoscopist were included in this study. Among them, 54 patients with GX were assessed for H pylori infection and their endoscopic characteristics and serum lipid profiles. The findings were compared with 54 age-and sex-matched control subjects without GX. RESULTS: The prevalence of GX was 7% (54/771) with no sex difference. GX was mainly single (64.8%) and located in the antrum (53.7%). The mean diameter was 7 ± 3 mm. Mean body mass index (BMI) of patients with GX was 23.1 ± 2.8 and no one was above 30. Compared with the controls, lipid profiles of GX group showed significantly lower HDL-cholesterol (48.8 ± 12.3 vs 62.9 ± 40.5, P = 0.028) and higher LDL-cholesterol (112.9 ± 29.9 vs 95.9 ± 22.4, P = 0.032). The level of total serum cholesterol, triglyceride and the existence of dyslipoproteinemia were not related to the presence of GX. However, GX showed a close relationship with endoscopically determined atrophic gastritis and histologic severity (24/53, 44.4% vs 8/54, 14.8%, P = 0.0082). H pylori infection and bile reflux gastritis were not significantly related with GX. CONCLUSION: The prevalence of GX is 7% and it may be an increasing entity in Korea. Moreover, dyslipidemia and atrophic gastritis are found to be related to GX, but H pylori infection is not. | Sun Young Yi | 2007 | World Journal of Gastroenterology2007，13，34： | 13 |
| 14 | Short-term interval combined chemoembolization and radiofrequency ablation for hepatocellular carcinoma显示文摘AIM:To investigate hepatic function after combined transcatheter arterial chemoembolization(TACE) and radiofrequency ablation(RFA) with a short-term interval(0-2 d).METHODS:A total of 115 patients with compensated liver cirrhosis underwent RFA combined with TACE at a time-interval of 0-2 d for the treatment of hepatocellular carcinoma(HCC)<5.0 cm.There were 21 patients who received further hepatic directed treatment altering liver function within 12 mo after the combined therapy for HCC-recurrence,and were excluded.The remaining94 patients who survived without HCC-recurrence were included in this retrospective study.RESULTS:At 1 mo after treatment,Child-Pugh scores(CPs)remained unchanged in 89 of 94 patients(94.7%),and transiently increased by one-point in 5 patients(5.3%).However,the score returned to baseline score at 3 mo and was maintained until 6 mo in all patients.The baseline CPs of 8 or more was identified as a factor for transient rise of CPs after the treatment(CPs 8/9 vs5/6/7;21.4%vs 2.5%;P=0.022).At 12 mo followup,CPs was unchanged in 90 patients(95.7%),and increased by one-point in 4 patients(4.3%).The rise of CPs at 12 mo was not statistically associated with the initial transient rise of CPs.There were procedure-related complications in 3 patients(3.2%),but the complications were resolved by medical and interventional treatments without hepatic functional sequelae.CONCLUSION:The combined TACE and RFA with an interval of 0-2 d are safe for the management of HCC<5 cm in cirrhotic patients. | Won Hyeok Choe Young Jun Kim Hee Sun Park Sang Woo Park Jeong Han Kim So Young Kwon | 2014 | World Journal of Gastroenterology2014，20，35： | 13 |
| 15 | Septic thrombophlebitis of the porto-mesenteric veins as a complication of acute appendicitis显示文摘Pylephlebitis, a rare complication of acute appendicitis, is defined as thrombophlebitis of the portal venous system. Pylephlebitis usually occurs due to secondary infection in the region drained into the portal system. We report a case of pylephlebitis caused by acute appendicitis. The patient was transferred from a private clinic 1 wk after appendectomy with the chief complaints of high fever and abdominal pain. He was diagnosed with pylephlebitis of the portal vein and superior mesenteric vein by CT-scan. The patient was treated with antibiotics and anticoagulation therapy, and discharged on the 25th day and follow-up CT scan showed a cavernous transformation of portal thrombosis. | Yeon Soo Chang Sun Young Min Sun Hyung Joo Suk- Hwan Lee | 2008 | World Journal of Gastroenterology2008，14，28： | 10 |
| 16 | Detection and treatment of synchronous lesions in colorectal cancer: The clinical implication of perioperative colonoscopy显示文摘AIM: To evaluate the clinical significance of pre- and intra-operative colonoscopy for the detection of synchronous lesions in colon cancer. METHODS: Two hundred and sixty-five pre-operative and 51 intra-operative colonoscopic evaluations were performed in 316 colorectal cancer patients who underwent curative resection from January 2001 to June 2006. The incidence and characteristics of synchronous lesions and their influence on surgery were evaluated. RESULTS: Two hundred and eighty-two synchronous lesions were detected in 124 (39.2%) of 316 patients including all lesions regardless of their histologic type. True adenomatous polyps were found in 91 (28.8%) of 316 patients, and 17 (5.4% of all patients) patients had synchronous colon cancers. The preoperative identification of synchronous lesions altered the planned surgery in 37 (14.0%) of 265 patients. In 18 patients among the surgically removed cases, the lesions were removed by extending the resection range. Further segmental resection or polypectomy through enterotomy was necessary in 19 patients. Nineteen (37.2%) of 51 intraoperative colonoscopy cases had synchronous lesions. Additional surgical procedures including segmental bowel resection and polypectomy with enterotomy were necessary in 7 (13.7%) of 51 intraoperative colonoscopy cases to remove the lesions. CONCLUSION: Synchronous colorectal polyps or cancer are frequent and their preoperative detection is important for optimal surgical planning and treatment. Intraoperative colonoscopy is a useful option in cases where a preoperative colonoscopy is not feasible. | Min Sun Kim Young Jin Park | 2007 | World Journal of Gastroenterology2007，13，30： | 10 |
| 17 | Three-Tesla magnetic resonance elastography for hepatic fibrosis:Comparison with diffusion-weighted imaging and gadoxetic acid-enhanced magnetic resonance imaging显示文摘AIM:To evaluate the feasibility of 3-Tesla magnetic resonance elastography(MRE)for hepatic fibrosis and to compare that with diffusion-weighted imaging(DWI)and gadoxetic acid-enhanced magnetic resonance(MR)imaging.METHODS:Forty-two patients were included in the study.On MRE,mean stiffness values were measured on the elastograms in kilopascals.The apparent diffusion coefficient(ADC)of the liver was measured using DWI.On gadoxetic acid enhanced MR,the contrast enhancement index(CEI)was calculated as signal intensity(SI)post/SIpre,where SIpost is liver-to-muscle SI ratio on hepatobiliary phase images and SIpre is that on nonenhanced images.Correlation between aspartate aminotransferase to the platelet ratio index(APRI)and three MR parameters was assessed.Each MR parameter was compared between a hepatic fibrosis(HF)group and non-hepatic fibrosis(n HF)group.RESULTS:Liver stiffness showed strong positive correlation with APRI[Spearman correlation coeffiecient(r)=0.773,P<0.0001],while ADC and CEI showed weak or prominent negative correlation(r=-0.28 and-0.321,respectively).In the HF group,only liver stiffness showed strong correlation with APRI(r=0.731,P<0.0001).Liver stiffness,ADC,and APRI were significantly different between the HF group and n HF group.CONCLUSION:MRE at 3-Tesla could be a feasible method for the assessment of hepatic fibrosis. | Hee Sun Park Young Jun Kim Mi Hye Yu Won Hyeok Choe Sung Il Jung Hae Jeong Jeon | 2014 | World Journal of Gastroenterology2014，20，46： | 9 |
| 18 | Benign gallbladder diseases:Imaging techniques and tips for differentiating with malignant gallbladder diseases显示文摘Benign gallbladder diseases usually present with intraluminal lesions and localized or diffuse wall thickening.Intraluminal lesions of the gallbladder include gallstones,cholesterol polyps,adenomas,or sludge and polypoid type of gallbladder cancer must subsequently be excluded.Polyp size,stalk width,and enhancement intensity on contrast-enhanced ultrasound and degree of diffusion restriction may help differentiate cholesterol polyps and adenomas from gallbladder cancer.Localized gallbladder wall thickening is largely due to segmental or focal gallbladder adenomyomatosis,although infiltrative cancer may present similarly.Identification of Rokitansky-Aschoff sinuses is pivotal in diagnosing adenomyomatosis.The layered pattern,degree of enhancement,and integrity of the wall are imaging clues that help discriminate innocuous thickening from gallbladder cancer.High-resolution ultrasound is especially useful for analyzing the layering of gallbladder wall.A diffusely thickened wall is frequently seen in inflammatory processes of the gallbladder.Nevertheless,it is important to check for coexistent cancer in instances of acute cholecystitis.Ultrasound used alone is limited in evaluating complicated cholecystitis and often requires complementary computed tomography.In chronic cholecystitis,preservation of a two-layered wall and weak wall enhancement are diagnostic clues for excluding malignancy.Magnetic resonance imaging in conjunction with diffusion-weighted imaging helps to differentiate xathogranulomatous cholecystitis from gallbladder cancer by identifying the presence of fat and degree of diffusion restriction.Such distinctions require a familiarity with typical imaging features of various gallbladder diseases and an understanding of the roles that assorted imaging modalities play in gallbladder evaluations. | Mi Hye Yu Young Jun Kim Hee Sun Park Sung Il Jung | 2020 | World Journal of Gastroenterology2020，26，22： | 9 |
| 19 | SOME RESULTS ON GENERALIZED EQUILIBRIUM PROBLEMS INVOLVING STRICTLY PSEUDOCONTRACTIVE MAPPINGS显示文摘In this paper,we consider an iterative sequence for generalized equilibrium problems and strictly pseudocontractive mappings.We show that the iterative sequence converges strongly to a common element of the solution set of generalized equilibrium problems and of the fixed point set of strictly pseudocontractive mappings. | Jong Kyu Kim Sun Young Cho | 2011 | Acta Mathematica Scientia2011，31，5： | 8 |
| 20 | Collision tumor of hepatocellular carcinoma and neuroendocrine carcinoma involving the liver: Case report and review of the literature显示文摘Primary hepatic neuroendocrine carcinoma(NEC) with concurrent occurrence of hepatocellular carcinoma(HCC) of the liver is very rare. Only 8 cases have been reported in the literature. Concurrent occurrence of HCC and NEC in the liver is classified as combined type or collision type by histological distributional patterns; only 2 cases have been reported. Herein, we report a case of collision type concurrent occurrence of HCC and NEC, in which primary hepatic NEC was in only a small portion of the nodule, which is different from the 2 previously reported cases. A 72-year-old male with chronic hepatitis C was admitted to our hospital for a hepatic mass detected by liver computed tomography(CT) at another clinic. Because the nodule was in hepatic segment 3 and had proper radiologic findings for diagnosis of HCC, including enhancement in the arterial phase and wash-out in the portal and delay phases, the patient was treated with laparoscopic left lateral sectionectomy. The pathology demonstrated that the nodule was 2.5 cm and was moderately differentiated HCC. However, a 3 mm-sized focal neuroendocrine carcinoma was also detected on the capsule of the nodule. The tumor was concluded to be a collision type with HCC and primary hepatic NEC. After the surgery, for follow-up, the patient underwent a liver CT every 3 mo. Five multiple nodules were found in the right hepatic lobe on the follow-up liver CT 6 mo post-operatively. As the features of the nodules in the liver CT and MRI were different from that of HCC, a liver biopsy was performed. Intrahepatic recurrent NEC was proven after the liver biopsy, which showed the same pathologic features with the specimen obtained 6 mo ago. Palliative chemotherapy with a combination of etoposide and cisplatin has been administered for 4 months, showing partial response. | Gyu Ho Choi Sun Young Ann Soon Il Lee Suk BaeKim Il Han Song | 2016 | World Journal of Gastroenterology2016，22，41： | 8 |
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