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| 1 | Prognostic value of inflammation-based markers in patients with pancreatic cancer administered gemcitabine and erlotinib显示文摘AIM: To evaluate the value of systemic inflammationbased markers as prognostic factors for advanced pancreatic cancer(PC). METHODS: Data from 82 patients who underwent combination chemotherapy with gemcitabine and erlotinib for PC from 2011 to 2014 were collected retrospectively. Data that included the neutrophil-to-lymphocyte ratio(NLR), the platelet-to-lymphocyte ratio, and the C-reactive protein(CRP)-to-albumin(CRP/Alb) ratio were analyzed. Kaplan-Meier curves, and univariate and multivariate Cox proportional hazards regression analyses were used to identify the prognostic factors associated with progression-free survival(PFS) and overall survival(OS). RESULTS: The univariate analysis demonstrated the prognostic value of the NLR(P = 0.049) and the CRP/Alb ratio(P = 0.047) in relation to PFS, and a positiverelationship between an increase in inflammation-based markers and a poor prognosis in relation to OS. The multivariate analysis determined that an increased NLR(hazard ratio = 2.76, 95%CI: 1.33-5.75, P = 0.007) is an independent prognostic factor for poor OS. There was no association between the PLR and the patients' prognoses in those who had received chemotherapy that comprised gemcitabine and erlotinib in combination. The Kaplan-Meier method and the log-rank test determined significantly worse outcomes in relation to PFS and OS in patients with an NLR > 5 or a CRP/Alb ratio > 5.CONCLUSION: Systemic inflammation-based markers, including increases in the NLR and the CRP/Alb ratio, may be useful for predicting PC prognoses. | Jae Min Lee Hong Sik Lee Jong Jin Hyun Hyuk Soon Choi Eun Sun Kim Bora Keum Yeon Seok Seo Yoon Tae Jeen Hoon Jai Chun Soon Ho Um Chang Duck Kim | 2016 | World Journal of Gastrointestinal Oncology2016，8，7： | 12 |
| 2 | Endoscopic submucosal tunnel dissection salvage technique for ulcerative early gastric cancer显示文摘Endoscopic submucosal dissection is an effective treatment modality for early gastric cancer(EGC), though the submucosal fibrosis found in ulcerative EGC is an obstacle for successful treatment. This report presents two cases of ulcerative EGC in two males, 73- and 80-year-old, with severe fibrosis. As endoscopic ultrasonography suggested that the EGCs had invaded the submucosal layer, the endoscopic submucosal tunnel dissection salvage technique was utilized for complete resection of the lesions. Although surgical gastrectomy was originally scheduled, the two patients had severe coronary heart disease, and surgeries were refused because of the risks associated with their heart conditions. The endoscopic submucosal tunnel dissection salvage technique procedures described in these cases were performed under conscious sedation, and were completed within 30 min. The complete en bloc resection of EGC using endoscopic submucosal tunnel dissection salvage technique was possible with a free resection margin, and no other complications were noted during the procedure. This is the first known report concerning the use of the endoscopic submucosal tunnel dissection salvage technique salvage technique for treatment of ulcerative EGC. We demonstrate that endoscopic submucosal tunnel dissection salvage technique it is a feasible method showing several advantages over endoscopic submucosal dissection for cases of EGC with fibrosis. | Hyuk Soon Choi Hoon Jai Chun Min Ho Seo Eun Sun Kim Bora Keum Yeon Seok Seo Yoon Tae Jeen Hong Sik Lee Soon Ho Um Chang Duck Kim Ho Sang Ryu | 2014 | World Journal of Gastroenterology2014，20，27： | 8 |
| 3 | Comparison of sequential and 7-,10-,14-d triple therapy for Helicobacter pylori infection显示文摘AIM:To compare the effectiveness of sequential therapy for Helicobacter pylori(H.pylori) infection with that of triple therapy of varying durations.METHODS:The 460 patients enrolled in this study had H.pylori-associated gastritis or a gastric or duodenal ulcer.After screening,H.pylori-infected patients were randomly assigned to receive either conventional triple therapy for 7,10 or 14 d,or a new 10-d sequential therapy.Each of the 4 treatment groups included 115 patients.The outcomes of eradication therapy were assessed 4 wk after treatment by the urea breath test and histology.RESULTS:The overall eradication rate was 81.0%,and eradication rates were 75.7% for 7-d conventional triple therapy,81.9% for 10-d conventional triple therapy,84.4% for 14-d conventional triple therapy,and 82.0% for 10-d sequential therapy.Neither intention-to-treat analysis nor per protocol analysis showed significant differences in eradication rates using sequential therapy or the standard triple therapy(P = 0.416 and P = 0.405,respectively).CONCLUSION:There are no significant differences between 10-d sequential eradication therapy for H.pylori and any duration of standard triple treatment in Korean patients. | Hyuk Soon Choi Hoon Jai Chun Sang Hoon Park Bora Keum Yeon Seok Seo Yong Sik Kim Yoon-Tae Jeen Soon Ho Um Hong Sik Lee Chang Duck Kim Ho Sang Ryu | 2012 | World Journal of Gastroenterology2012，18，19： | 7 |
| 4 | Intraductal papillary bile duct adenocarcinoma and gastrointestinal stromal tumor in a case of neurofibromatosis type 1显示文摘We report our experience with a synchronous case of gastrointestinal stromal tumor(GIST) and intraductal papillary neoplasm of the bile duct(IPNB) in anelderly woman with neurofibromatosis type 1(NF-1). A 72-year-old woman presented with a 2-mo history of right upper abdominal pain unrelated to diet and indigestion. Fourteen years earlier, she had been diagnosed with NF-1, which manifested as café au lait spots and multiple nodules on the skin. Computed tomography(CT) revealed a multilocular low-density mass with septation, and mural nodules in the right hepatic lobe, as well as a 1.7-cm-sized well-demarcated enhancing mass in the third portion of the duodenum. The patient subsequently underwent right hepatectomy and duodenal wedge resection. We present here the first report of a case involving a synchronous IPNB and GIST in a patient with NF-1. Our findings demonstrate the possibility of various tumors in NF-1 patients and the importance of diagnosis at an early | Jung Min Lee Jae Min Lee Jong Jin Hyun Hyuk Soon Choi Eun Sun Kim Bora Keum Yoon Tae Jeen Hoon Jai Chun Hong Sik Lee Chang Duck Kim Dong Sik Kim Joo Young Kim | 2018 | World Journal of Gastroenterology2018，24，4： | 4 |
| 5 | Endoscopic en bloc resection of an exophytic gastrointestinal stromal tumor with suction excavation technique显示文摘Here, we report the first successful endoscopic resection of an exophytic gastrointestinal stromal tumor(GIST) using a novel perforation-free suction excavation technique. A 49-year-old woman presented for further management of a gastric subepithelial tumor on the lesser curvature of the lower body, originally detected via routine upper gastrointestinal endoscopy. Abdominal computed tomography and endoscopic ultrasound showed a 4-cm extraluminally protruding mass originating from the muscularis propria layer. The patient firmly refused surgical resection owing to potential cardiac problems, and informed consent was obtained for endoscopic removal. Careful dissection and suction of the tumor was repeated until successful extraction was achieved without serosal injury. We named this procedure the suction excavation technique. The tumor's dimensions were 3.5 cm × 2.8 cm × 2.5 cm. The tumor was positive for C-KIT and CD34 by immunohistochemical staining. The mitotic count was 6/50 high-power fields. The patient was followed for 5 years without tumor recurrence. This case demonstrated the use of endoscopic resection of an exophytic GIST using the suction excavation technique as a potential therapy without surgical resection. | Hyuk Soon Choi Hoon Jai Chun Kyoung-Oh Kim Eun Sun Kim Bora Keum Yoon-Tae Jeen Hong Sik Lee Chang Duck Kim | 2016 | World Journal of Gastroenterology2016，22，23： | 3 |
| 6 | Self-expandable metal stents in patients with postoperative delayed gastric emptying after distal gastrectomy显示文摘AIM To investigate the efficacy and safety of endoscopic stent insertion in patients with delayed gastric emptying after gastrectomy.METHODS In this study, we prospectively collected data from patients who underwent stent placement for delayed gastric emptying(DGE) after distal gastrectomy between June 2010 and April 2017, at a tertiary referral academic center. Clinical improvement, complications, and consequences after stent insertion were analyzed.RESULTS Technical success was achieved in all patients(100%). Early symptom improvement was observed in 15 of 20 patients(75%) and clinical success was achieved in all patients. Mean follow-up period was 1178.3 ± 844.1 d and median stent maintenance period was 51 d(range 6-2114 d). During the follow-up period, inserted stents were passed spontaneously per rectum without any complications in 14 of 20 patients(70%). Symptom improvement was maintained after stent placement without the requirement of any additional intervention in 19 of 20 patients(95%).CONCLUSION Endoscopic stent placement provides prompt relief of obstructive symptoms. Thus, it can be considered an effective and safe salvage technique for post-operative DGE. | Seung Han Kim Bora Keum Hyuk Soon Choi Eun Sun Kim Yeon Seok Seo Yoon Tae Jeen Hong Sik Lee Hoon Jai Chun Soon Ho Um Chang Duck Kim Sungsoo Park | 2018 | World Journal of Gastroenterology2018，24，40： | 2 |
| 7 | A randomized, prospective trial on efficacy and tolerability of low-volume bowel preparation methods for colonoscopy显示文摘 | In Kyung Yoo Jong Soo Lee Hoon Jai Chun Yoon Tae Jeen Bora Keum Eun Sun Kim Hyuk Soon Choi Jae Min Lee Seung Han Kim Seung Joo Nam Hyo Sung Kang Hong Sik Lee Chang Duck Kim Soon Ho Um Yeon Seok Seo Ho Sang Ryu | 2014 | Digestive and Liver Disease2014，，： | 1 |
| 8 | Polyelectrolyte complex micelles by self-assembly of polypeptide-based triblock copolymer for doxorubicin delivery显示文摘Polyelectrolyte complex micelles were prepared by self-assembly of polypeptide-based triblock copolymer as a new drug carrier for cancer chemotherapy.The triblock copolymer,poly(L-aspartic acid)-b-poly(ethylene glycol)-b-poly(L-aspartic acid)(PLD-b-PEG-b-PLD),spontaneously self-assembled with doxorubicin(DOX)via electrostatic interactions to form spherical micelles with a particle size of 60e80 nm(triblock ionomer complexes micelles,TBIC micelles).These micelles exhibited a high loading capacity of 70%(w/w)at a drug/polymer ratio of 0.5 at pH 7.0.They showed pH-responsive release patterns,with higher release at acidic pH than at physiological pH.Furthermore,DOX-loaded TBIC micelles exerted less cytotoxicity than free DOX in the A-549 human lung cancer cell line.Confocal microscopy in A-549 cells indicated that DOX-loaded TBIC micelles were transported into lysosomes via endocytosis.These micelles possessed favorable pharmacokinetic characteristics and showed sustained DOX release in rats.Overall,these findings indicate that PLDb-PEG-b-PLD polypeptide micelles are a promising approach for anti-cancer drug delivery. | Jeong Hwan Kim Thiruganesh Ramasamy Tuan Hiep Tran Ju Yeon Choi Hyuk Jun Cho Chul Soon Yong Jong Oh Kim | 2014 | Asian Journal of Pharmaceutical Sciences2014，9，4： | 1 |
| 9 | P-GaN Gate HEMTs with tungsten gate metal for high threshold voltage and low gate current显示文摘 | Injun Hwang Jongseob Kim Hyuk Soon Choi | 2013 | IEEE Electron Device Letters2013，34，2： | 1 |
| 10 | Characterisation of allergen-specific responses of IL-10-producing regulatory B cells (Br1) in Cow Milk Allergy显示文摘 | Joonyong Noh Jae Ho Lee Geunwoong Noh So Young Bang Hyuk Soon Kim Wahn Soo Choi Sunheui Cho Sang Sun Lee | 2010 | Cellular Immunology2010，，： | 1 |
| 11 | Tolerogenic effects of interferon-gamma with induction of allergen-specific interleukin-10-producing regulatory B cell (Br1) changes in non-IgE-mediated food allergy显示文摘 | Joonyong Noh Geunwoong Noh Soo Jin Lee Jae Ho Lee Aram Kim Hyuk Soon Kim Wahn Soo Choi | 2012 | Cellular Immunology2012，，： | 1 |
| 12 | The indications for endoscopic resection of esophageal submucosal tumor显示文摘 | Hyuk Soon Choi Hoon Jai Chun Bora Keum Yoon Tae Jeen | 2012 | Gastrointestinal Endoscopy2012，，1： | 1 |
| 13 | Interleukin-33 stimulates formation of functional osteoclasts from human CD14 + monocytes显示文摘 | Se Hwan Mun Na Young Ko Hyuk Soon Kim Jie Wan Kim Do Kyun Kim A-Ram Kim Seung Hyun Lee Yong-Gil Kim Chang Keun Lee Seoung Hoon Lee Bo Kyung Kim Michael A. Beaven Young Mi Kim Wahn Soo Choi | 2010 | Cellular and Molecular Life Sciences2010，，： | 1 |
| 14 | Effects of Noscarna? on hypertrophic scarring in the rabbit ear model: Histopathological aspects显示文摘 | Dong Won Lee Sae Kwang Ku Hyuk Jun Cho Jeong Hwan Kim Tran Tuan Hiep Sang Duk Han Bo Gyun Kim Min Kyung Kang Eui Seon Do Joon Ho Jun Sun Woo Jang Mi-Won Son Young Taek Sohn Han-Gon Choi Chul Soon Yong Jong Oh Kim | 2012 | Archives of Pharmacal Research2012，，11： | 1 |
| 15 | The effect of polaprezinc on gastric mucosal protection in rats with ethanol-induced gastric mucosal damage: Comparison study with rebamipide显示文摘 | Hyuk Soon Choi Ji-Youn Lim Hoon Jai Chun Min Lee Eun Sun Kim Bora Keum Yeon Seok Seo Yoon-Tae Jeen Soon Ho Um Hong Sik Lee Chang Duck Kim Ho Sang Ryu Donggeun Sul | 2013 | 2013 (2-3)2013，，2： | 1 |
| 16 | Current status of intragastric balloon for obesity treatment显示文摘Endoscopic bariatric therapy may be a useful alternative to pharmacological treatment for obesity, and it provides greater efficacy with lower risks than do conventional surgical procedures. Among the various endoscopic treatments for obesity, the intragastric balloon is associated with significant efficacy in body weight reduction and relief of comorbid disease symptoms. Anatomically, this treatment is based on gastric space-occupying effects that increase the feeling of satiety and may also affect gut neuroendocrine signaling. The simplicity of the intragastric balloon procedure may account for its widespread role in obesity treatment and its applicability to various degrees of obesity. However, advances in device properties and procedural techniques are still needed in order to improve its safety and cost-effectiveness. Furthermore, verification of the physiological outcomes of intragastric balloon treatment and the clinical predictive factors for treatment responses should be considered. In this article, we discuss the types, efficacy, safety, and future directions of intragastric balloon treatment. | Seung Han Kim Hoon Jai Chun Hyuk Soon Choi Eun Sun Kim Bora Keum Yoon Tae Jeen | 2016 | World Journal of Gastroenterology2016，22，24： | 1 |
| 17 | The efficacy of transdermal fentanyl for pain relief after endoscopic submucosal dissection: A prospective, randomised controlled trial显示文摘 | Hyuk Soon Choi Kyoung-Oh Kim Hoon Jai Chun Bora Keum Yeon Seok Seo Yong Sik Kim Yoon-Tae Jeen Soon Ho Um Hong Sik Lee Chang Duck Kim Ho Sang Ryu | 2012 | Digestive and Liver Disease2012，，11： | 1 |
| 18 | Predictors of the patency of self-expandable metallic stents in malignant gastroduodenal obstruction显示文摘AIM:To investigate the predictive factors of selfexpandable metallic stent patency after stent placement in patients with inoperable malignant gastroduodenal obstruction. METHODS:A total of 116 patients underwent stent placements for inoperable malignant gastroduodenal obstruction at a tertiary academic center. Clinical success was defined as acceptable decompression of the obstructive lesion within the malignant gastroduodenal neoplasm. We evaluated patient comorbidities and clinical statuses using the World Health Organization's scoring system and categorized patient responses to chemotherapy using the Response Evaluation Criteria in Solid Tumors criteria. We analyzed the relationships between possible predictive factors and stent patency. RESULTS:Self-expandable metallic stent placement was technically successful in all patients(100%),and the clinical success rate was 84.2%. In a multivariate Cox proportional hazards model,carcinoembryonic antigen(CEA) levels were correlated with a reduction in stent patency [P = 0.006; adjusted hazard ratio(a HR)= 2.92,95%CI:1.36-6.25]. Palliative chemotherapy was statistically associated with an increase in stent patency(P = 0.009; a HR = 0.27,95%CI:0.10-0.72).CONCLUSION:CEA levels can easily be measured at the time of stent placement and may help clinicians to predict stent patency and determine the appropriate stent procedure. | Seung Han Kim Hoon Jai Chun In Kyung Yoo Jae Min Lee Seung Joo Nam Hyuk Soon Choi Eun Sun Kim Bora Keum Yeon Seok Seo Yoon Tae Jeen Hong Sik Lee Soon Ho Um Chang Duck Kim | 2015 | World Journal of Gastroenterology2015，21，30： | 0 |
| 19 | Rare case of pancreatic cancer with leptomeningeal carcinomatosis显示文摘Leptomeningeal carcinomatosis occurs very rarely in patients with pancreatic cancer.Leptomeningealcarcinomatosis is characterized by multifocal seeding of the leptomeninges by malignant cells that originate from a solid tumor.To the best of our knowledge,brain metastasis from pancreatic cancer is extremely rare.Leptomeningeal carcinomatosis is estimated to occur in 3% to 8% of cases of solid tumors.The clinical manifestation usually involves neurological symptoms,including dizziness,headache,vomiting,nausea,and hemiparesis,symptoms similar to those of meningitis or brain tumors.Diagnostic methods for leptomeningeal carcinomatosis include brain magnetic resonance imaging and cerebrospinal fluid examination.Here,we describe a case of leptomeningeal carcinomatosis in which the primary tumor was later determined to be pancreatic cancer.Brain magnetic resonance imaging findings showed mild enhancement of the leptomeninges,and cerebrospinal fluid cytology was negative at first.However,after repeated spinal taps,atypical cells were observed on cerebrospinal fluid analysis and levels of tumor markers such as carbohydrate antigen 19-9 in cerebrospinal fluid were elevated.Abdominal computed tomography,performed to determine the presence of extracerebral tumors,revealed pancreatic cancer.Pancreatic cancer was confirmed histopathologically on examination of an endoscopic ultrasound-guided fine needle aspiration specimen. | In Kyung Yoo Hong Sik Lee Chang Duk Kim Hoon Jai Chun Yoon Tae Jeen Bora Keum Eun Sun Kim Hyuk Soon Choi Jae Min Lee Seung Han Kim Seung Joo Nam Jong Jin Hyun | 2015 | World Journal of Gastroenterology2015，21，3： | 0 |
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