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World Journal of Clinical Cases 2023年第14期11卷 3362-3368页

作者： Wan-Sik Lee Myung-Giun Noh young-eun joo Department of Internal Medicine Chonnam National University Medical SchoolHwasun-eup 58128South Korea Department of Pathology Chonnam National University Medical SchoolHwasun-eup 58128South Korea

BACKGROUND Mucosa-associated lymphoid tissue(MALT)lymphoma is a distinct subtype of non-Hodgkin B cell lymphoma that mostly involves the gastrointestinal *** stomach is the most commonly affected site whereas colorectal involvement occurs very *** its rarity,the management and clinical outcome of colorectal MALT lymphoma are not well established *** SUMMARY From the superficial capillary bed in the lower *** ultrasonography showed homogenous hypoechoic lesions in the deep mucosal *** submucosal dissection(ESD)was done for accurate histologic diagnosis and treatment and both the rectal lesions were completely removed en bloc and subsequently diagnosed as primary rectal MALT ***,we report a case of primary rectal MALT lymphoma in a 68-year-old woman that was treated by only ESD,and the 12-month follow-up revealed no tumour *** These results of our case and previous reports suggest that endoscopic resection alone may be a feasible and safe treatment for primary colorectal MALT lymphoma and allows organ preservation.

关键词： Rectum Mucosa-associated lymphoid tissue lymphoma Endoscopic submucosal dissection

Helicobacter pylori and interleukin-8 in gastric cancer

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World Journal of Gastroenterology 2013年第45期19卷 8192-8202页

作者： Ko eun Lee Pham Ngoc Khoi Yong Xia Jung Sun Park young eun joo Kyung Keun Kim Seok Yong Choi young Do Jung Research Institute of Medical Sciences Chonnam National University Medical School Gwangju 501-190 South Korea

Helicobacter pylori(***)is a major etiological factor in the development of gastric ***-scale epidemiological studies have confirmed the strong association between *** infection and both cancer development and ***-8(IL-8)is overexpressed in gastric mucosa exposed to *** expression of IL-8 directly correlates with a poor prognosis in gastric ***-8 is *** addition to its potent chemotactic activity,it can induce proliferation and migration of cancer *** this review,we focus on recent insights into the mechanisms of IL-8 signaling associated with gastric *** relationship between IL-8 and *** is *** also summarize the current therapeutics against IL-8 in gastric cancer.

关键词： Helicobacter pylori Interleukin-8 Signals Gastric cancer Therapeutics

Gut microbiome composition can predict the response to nivolumab in advanced hepatocellular carcinoma patients

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World Journal of Gastroenterology 2021年第42期27卷 7340-7349页

作者： Min-Woo Chung Moon-Ju Kim eun Jeong Won Yu Jeong Lee Yong-Woon Yun Sung Bum Cho young-eun joo Jun-Eul Hwang Woo Kyun Bae Ik-joo Chung Myung Geun Shin Jong Hee Shin Department of Internal Medicine Chonnam National University Hospital and College of MedicineHwasun 58128Jeollanam-doSouth Korea Department of Parasitology and Tropical Medicine Chonnam National University Medical SchoolHwasun 58128Jeollanam-doSouth Korea Department of Laboratory Medicine Chonnam National University Hwasun HospitalHwasun 58128Jeollanam-doSouth Korea Department of Preventive Medicine Chonnam National University Medical SchoolHwasun-eupHwasun 58128Jeollanam-doSouth Korea Department of Laboratory Medicine Chonnam National University HospitalGwangju 61469South Korea

BACKGROUND Immunotherapy has revolutionized the clinical outcomes of intractable cancer *** is known about the intestinal nonpathogenic bacterial composition of hepatocellular carcinoma(HCC)patients treated by *** To determine whether there is a correlation between gut bacterial composition and prognosis in HCC *** From September 2019 to March 2020,we prospectively collected fecal samples and examined the gut microbiome of 8 advanced HCC patients treated with nivolumab as a second-or third-line systemic *** samples were collected before the start of *** samples of patients with progression during treatment were collected at the time of progression,and fecal samples of patients who showed good response to nivolumab were collected after 5-7 mo as *** data from 16S ribosomal RNA sequencing were analyzed using CLC Genomics *** data were analyzed according to therapeutic *** All 8 patients were male,of which 6 had underlying chronic hepatitis B.A higher Shannon index was found in the responders than in the non-responders after nivolumab therapy(P=0.036).The unweighted beta diversity analysis also showed that the overall bacterial community structure and phylogenetic diversity were clearly distinguished according to therapeutic *** was no significant difference in the diversity or composition of the patient gut microbiome according to the immunotherapy *** taxa specific to therapeutic response were designated as follows:Dialister pneumosintes,Escherichia coli,Lactobacillus reteri,Streptococcus mutans,Enterococcus faecium,Streptococcus gordonii,Veillonella atypica,Granulicatella sp.,and Trchuris trichiura for the nonresponders;Citrobacter freundii,Azospirillum *** Enterococcus durans for the *** note,a skewed Firmicutes/Bacteroidetes ratio and a low Prevotella/Bacteroides ratio can serve as predictive markers of non-response,wh

关键词： Microbiome Nivolumab Firmicutes/Bacteroidetes ratio Prevotella/Bacteroides ratio Hepatocellular carcinoma Prognosis

Low grade chondrosarcoma of the nasal septum

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World Journal of Clinical Cases 2013年第1期1卷 64-66页

作者： Dong Hoon Lee Se Hee Jung Tae Mi Yoon joon Kyoo Lee young eun joo Sang Chul Lim Department of Otolaryngology-Head and Neck Surgery Chonnam National University Medical School and Hwasun Hospital Hwasun Jeonnam 519-809 South Korea Department of Radiology Chonnam National University Medical School and Hwasun Hospital Hwasun Jeonnam 519-809 South Korea Department of Research Institute of Medical Sciences Chonnam National University Medical School and Hwasun Hospital Hwasun Jeonnam 519-809 South Korea

Chondrosarcoma of the nasal septum is extremely rare. In some cases, it may be diff icult to preoperatively differentiate low grade chondrosarcoma from benign cartilaginous tumors such as chondroma. We report a case of low grade chondrosarcoma of the nasal septum with characteristic radiologic f indings. Characteristic radiologic f indings such as calcif ications on computed tomography scan and a ring-and-arc pattern on enhanced T1 weighted image were useful in the preoperative diagnosis of low grade chondrosarcoma of the septum. Awareness of radiologic f indings of low grade chondrosarcoma can help to make an accurate diagnosis and perform appropriate excision, leading to successful local control.

关键词： Chondrosarcoma Nasal septum Endoscopic surgical procedure Computed tomography Radiology

Risk factors for hepatocellular carcinoma in patients with drug-resistant chronic hepatitis B

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World Journal of Gastroenterology 2013年第40期19卷 6834-6841页

作者： Chung Hwan Jun Hyoung Ju Hong Min Woo Chung Seon young Park Sung Bum Cho Chang Hwan Park young eun joo Hyun Soo Kim Sung Kyu Choi Jong Sun Rew Department of Internal Medicine Chonnam National University Medical SchoolGwangju 501-757South Korea

AIM:To investigate the risk factors and characteristics of hepatocellular carcinoma(HCC) in the patients with drug-resistant chronic hepatitis B(CHB).METHODS:A total of 432 patients with drug-resistant CHB were analyzed retrospectively from January 2004to December 2012. The patients were divided into two groups:the HCC group(n = 57) and the non-HCC group(n = 375). Two groups compared using logistic regression for various patients and viral characteristics in order to identify associated risk factors for ***,patient and tumor characteristics of HCC patients with na ve CHB(N group,n = 117) were compared to the HCC group(R group,n = 57) to identify any difference in HCC characteristics between ***:A significant difference was found for age,platelet count,alpha-fetoprotein(AFP),positivity of HBeAg,seroconversion rate of HBeAg,virologic response,the Child-Pugh score,presence of rtM204I,and the duration of antiviral treatment in non-HCC and HCC group. Cirrhosis,age(> 50 years),HBeAg(+),virologic non-responder status,and rtM204I mutants were independent risk factors for the development of HCC. The R group had lower serum C-reactive protein(CRP) and AFP levels,earlier stage tumors,and a shorter mean tumor surveillance period than the N group. However,the total follow-up duration was not significantly different between the two ***:13.2% of patients with drug-resistant CHB developed HCC. Age,cirrhosis,YIDD status,HBeAg status,and virologic response are associated with risk of HCC. Patients with drug-resistant CHB and these clinical factors may benefit from closer HCC surveillance.

关键词： Carcinoma Hepatocellular Hepatitis B Drug resistance Risk factors Characteristics

Cerebral and splenic infarctions after injection of N-butyl-2-cyanoacrylate in esophageal variceal bleeding

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World Journal of Gastroenterology 2013年第34期19卷 5759-5762页

作者： Dae-Seong Myung Cho-Yun Chung Hyung-Chul Park Jong-Sun Kim Sung-Bum Cho Wan-Sik Lee Sung-Kyu Choi young-eun joo Department of Internal Medicine Chonnam National University Medical School

Variceal bleeding is the most serious complication of portal hypertension,and it accounts for approximately one fifth to one third of all deaths in liver cirrhosis ***,endoscopic treatment remains the predominant method for the prevention and treatment of variceal *** treatments include band ligation and injection *** sclerotherapy with N-butyl-2-cyanoacrylate has been successfully used to treat variceal *** injection sclerotherapy with N-butyl-2-cyanoacrylate provides effective treatment for variceal bleeding,injection of N-butyl-2-cyanoacrylate is associated with a variety of complications,including systemic ***,we report a case of cerebral and splenic infarctions after the injection of N-butyl-2-cyanoacrylate to treat esophageal variceal bleeding.

关键词： Cerebrum Esophageal varix Infarction N-butyl-2-cyanoacrylate Spleen

Clinical significance and risk factors of postembolization fever in patients with hepatocellular carcinoma

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World Journal of Gastroenterology 2013年第2期19卷 284-289页

作者： Chung Hwan Jun Ho Seok Ki Hoon Ki Lee Kang Jin Park Seon young Park Sung Bum Cho Chang Hwan Park young eun joo Hyun Soo Kim Sung Kyu Choi Jong Sun Rew Division of Gastroenterology Department of Internal MedicineChonnam National University Medical SchoolGwangju 501-757South Korea

AIM:To investigate tumor response and survival in patients with postembolization fever(PEF) and to determine the risk factors for ***:Four hundred forty-three hepatocellular carcinoma(HCC) patients who underwent the first session of transcatheter arterial chemoembolization(TACE) between January 2005 and December 2009 were analyzed *** was defined as a body temperature greater than 38.0 ℃ that developed within 3 d of TACE without evidence of *** tumor progression-free interval was defined as the interval from the first TACE to the second TACE based on mRECIST *** staging was based on the American Joint Committee on Cancer tumor,node,metastases(TNM) classification of malignant *** patients were admitted before their 1 st TACE treatment,and blood samples were obtained from all patients before and after *** variables and host-related variables were compared between two groups:patients with PEF vs patients without ***,variables related to 20-mo mortality and tumor progression-free survival were ***:The study population comprised 370(85.4%) men and 73(14.6%) women with a mean age of 62.29 ± 10.35 years.A total of 1836 TACE sessions were conducted in 443 patients,and each patient received between 1 and 27(mean:4.14 ± 3.57) TACE *** mean follow-up duration was 22.23 ± 19.6 mo(range:0-81 mo).PEF developed in 117 patients(26.41%) at the time of the first TACE *** was not associated with 20-mo survival(P = 0.524) or computed tomography(CT) response(P = 0.413) in a univariate analysis.A univariate analysis further indicated that diffuse-type HCC(P = 0.021),large tumor size(≥ 5 cm)(P = 0.046),lipiodol dose(≥ 7 mL,P = 0.001),poor blood glucose control(P = 0.034),alanine aminotransferase(ALT) value after TACE(P = 0.004) and C-reactive protein(CRP) value after TACE(P = 0.036) served as possible risk factors correlated with *** ALT value after TACE(P = 0.02

关键词： Chemoembolization Therapeutic Fever Carcinoma Hepatocellular Prognosis Progression-free survival

Prevalence of clonorchiasis in patients with gastrointestinal disease: A Korean nationwide multicenter survey

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World Journal of Gastroenterology 2009年第1期15卷 86-94页

作者： Ho Gak Kim Jimin Han Myung-Hwan Kim Kyu Hyun Cho Im Hee Shin Gwang Ha Kim Jae Seon Kim Jin Bong Kim Tae Nyeun Kim Tae Hyeon Kim Tae Hyo Kim Jae Woo Kim Ji Kon Ryu young-Soo Moon Jong Ho Moon Sung Jae Park Chan Guk Park Sung-Jo Bang Chang Heon Yang Kyo-Sang Yoo Byung Moo Yoo Kyu Taek Lee Dong Ki Lee Byung Seok Lee Sang Soo Lee Seung Ok Lee Woo Jin Lee Chang Min Cho young-eun joo Gab Jin Cheon young Woo Choi Jae Bok Chung Yong Bum Yoon Department of Internal Medicine Catholic University of Daegu School of Medicine Daegu 705-718 South Korea Department of Internal Medicine Asan Medical Center University of Ulsan College of Medicine Seoul 138-736 South Korea Department of Medical Statistics Catholic University of Daegu School of Medicine Daegu 705-718 South Korea Department of Internal Medicine Pusan National University School of Medicine Busan 602-739 South Korea Department of Internal Medicine Korea University College of Medicine Seoul 136-705 South Korea Department of Internal Medicine Hallym University College of Medicine Chuncheon 200-704 South Korea Department of Internal Medicine Yeungnam University College of Medicine Daegu 705-717 South Korea Department of Internal Medicine Wonkwang University College of Medicine Iksan Jeonbuk 570-711 South Korea Department of Internal Medicine Gyeongsang National University School of Medicine Jinju Gyeongnam 660-702 South Korea Department of Internal Medicine Yonsei University Wonju College of Medicine Wonju Gangwon 220-701 South Korea Department of Internal Medicine Seoul National University College of Medicine Seoul 110-799 South Korea Department of Internal Medicine lnje University College of Medicine Seoul 139-713 South Korea Department of Internal Medicine Soonchunhyang University College of Medicine Bucheon Gyunggi 420-767 South Korea Department of Internal Medicine Inje University College of Medicine Busan 614-735 South Korea Department of Internal Medicine Chosun University College of Medicine Gwangju Jeonbuk 501-717 South Korea Department of Internal Medicine Ulsan University Hospital University of Ulsan College of Medicine Ulsan 681-714 South Korea Department of Internal Medicine Dongguk University College of Medicine Gyeongju Gyeongbuk 791-707 South Korea Department of Internal Medicine Hallym University College of Medicine Anyang Gyeonggi 431-070 South Korea Department of Internal Medicine Ajou University School of Medicine Suwon

AIM： To investigate prevalence of C/onorchis sinensis in patients with gastrointestinal symptoms, and the relation of the infection to hepatobiliary diseases in 26 hospitals in Korea. METHODS： Consecutive patients who had been admitted to the Division of Gastroenterology with gastrointestinal symptoms were enrolled from March to April 2005. Of those who had been diagnosed with clonorchiasis, epidemiology and correlation between infection and hepatobiliary diseases were surveyed by questionnaire. RESULTS： Of 3080 patients with gastrointestinal diseases, 396 （12.9%） had clonorchiasis and 1140 patients （37.2%） had a history of eating raw freshwater fish. Of those with a history of raw freshwater fish ingestion, 238 （20.9%） patients had clonorchiasis. Cholangiocarcinoma was more prevalent in C. sinensis-infected patients than nonnfected patients [34/396 （8.6%） vs 145/2684 （5.4%）, P = 0.015]. Cholangiocarcinoma and clonorchiasis showed statistically significant positive cross-relation （P = 0.008）. Choledocholithiasis, cholecystolithiasis, cholangitis, hepatocellular carcinoma, and biliary pancreatitis did not correlate with clonorchiasis. CONCLUSION： Infection rate of clonorchiasis was still high in patients with gastrointestinal diseases in Korea, and has not decreased very much during the last two decades. Cholangiocarcinoma was related to clonorchiasis, which suggested an etiological role for the parasite.

关键词： Clonorchis sinensis Epidemiology Cholangiocarcinoma Korea Multicenter study Clonorchiasis

pH-induced structural changes of surface immobilized poly (L-lysine) by two-dimensional (2D) infrared correlation study

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Chinese Chemical Letters 2015年第2期26卷 173-176页

作者： eun joo Yoo Boknam Chae young Mee Jung Seung Woo Lee School of Chemical Engineering Yeungnam University Pohang Accelerator Laboratory Department of Chemistry Kangwon National University

This paper reports the pH-induced structural changes in the surface immobilized poly（L-lysine）（PLL）***-dimensional（2D） correlation analysis was applied to the Fourier transform infrared（FTIR）spectra of the surface-immobilized PLL film to examine the spectral changes induced by the alternations of the protonation state of the amino group in the side *** spectral changes in the FTIR spectra of the PLL film were observed between pH 7 and *** decrease in the protonation state of the amino group in the side chain induced spectral changes in the amino group as well as conformational changes in the alky]group in the side *** pH 1-8,the spectral changes in the amino and alkyl groups in the side chain occurred before those of the amide group in the main chain of the surface immobilized PLL film.

关键词： Poly(L-lysine)(PLL) Surface-immobilized polypeptide FT-IR spectroscopy 2D correlation spectroscopy

Effects of TiN film coating on electrochemical behaviors of nanotube formed Ti-xHf alloys

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中国有色金属学会会刊：英文版 2009年第4期19卷 857-861页

作者： Kang LEE Won-Gi KIM joo-young CHO Sang-Won eun Han-Cheol CHOE Department of Dental Materials & Research Center of Nano-Interface Activation for Biomaterials College of DentistryChosun University Department of Applied Advanced Materials Korea Polytechnic Ⅴ Colleges

Ti-xHf(x=10%,20%,30% and 40%,mass fraction) alloys were prepared by arc melting,and the microstructure was controlled for 24 h at 1 000 ℃ in argon *** formation of nanotube was conducted by anodizing on Ti-Hf alloys in 1.0 mol/L H3PO4 electrolytes with small amounts of NaF at room *** then TiN coatings were coated by DC-sputtering on the anodized *** and nanotube morphology of the alloys were examined by field emission scanning electron microscopy(FE-SEM) and X-ray diffractometry(XRD).The corrosion properties of the specimens were examined through potentiodynamic test(potential range from -1 500 to 2 000 mV) in 0.9 % NaCl solution by *** microstructure shows the acicular phase and α' phase with Hf *** amorphous oxide surface is transformed to crystalline anatase *** coated nanotube surface has a good corrosion resistance.

关键词：氮化钛涂层合金制备纳米管电化学行为薄膜包衣 0.9%NaCl溶液扫描电子显微镜微观结构