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intestinal metaplasia in the gastric antrum

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https://www.readbyqxmd.com/read/29707766/risk-of-gastric-cancer-among-patients-with-gastric-intestinal-metaplasia
#1
Liming Shao, Peiwei Li, Jun Ye, Jiamin Chen, Yuehua Han, Jianting Cai, Xinliang Lu
Plenty of studies have assessed the association between intestinal metaplasia (IM) and gastric cancer risk, while the results were inconsistent. We aimed to assess the risk of gastric cancer among patients with IM. Systematic literature searches were conducted in PubMed, Embase and Cochrane databases. Baseline characteristics and outcomes from the included studies were extracted independently by two investigators. Either a fixed-effects or a random-effects model was used to composite the pooled OR for gastric cancer risk...
April 29, 2018: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/29606921/overview-of-current-concepts-in-gastric-intestinal-metaplasia-and-gastric-cancer
#2
David S Jencks, Jason D Adam, Marie L Borum, Joyce M Koh, Sindu Stephen, David B Doman
Gastric intestinal metaplasia is a precancerous change of the mucosa of the stomach with intestinal epithelium, and is associated with an increased risk of dysplasia and cancer. The pathogenesis to gastric cancer is proposed by the Correa hypothesis as the transition from normal gastric epithelium to invasive cancer via inflammation followed by intramucosal cancer and invasion. Multiple risk factors have been associated with the development of gastric intestinal metaplasia interplay, including Helicobacter pylori infection and associated genomics, host genetic factors, environmental milieu, rheumatologic disorders, diet, and intestinal microbiota...
February 2018: Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/29492930/autoimmune-gastritis-assessment-of-olga-and-olgim-staging-systems
#3
Sana Ben Slama, Dorra Ben Ghachem, Amen Dhaoui, Sarra Ben Rejeb, Mohamed Taieb Jomni, Mohamed Hédi Dougui, Khadija Bellil
BACKGROUND: Autoimmune gastritis present a risk of cancer related to atrophy and intestinal metaplasia. Two recent classifications OLGA (Operative Link on Gastritis Assessment) and OLGIM (Operative Link on Gastritic Intestinal Metaplasia assessment) have been proposed to reveal the high progressive risk forms (stages III and IV). AIM: To evaluate the OLGA and OLGIM staging systems in chronic autoimmune gastritis. METHODS: A descriptive single institution study of 30 cases of autoimmune gastritis...
April 2017: La Tunisie Médicale
https://www.readbyqxmd.com/read/29449092/efficacy-of-narrow-band-imaging-for-detecting-intestinal-metaplasia-in-adult-patients-with-symptoms-of-dyspepsia
#4
S Sobrino-Cossío, J M Abdo Francis, F Emura, E S Galvis-García, M L Márquez Rocha, G Mateos-Pérez, C B González-Sánchez, N Uedo
INTRODUCTION AND OBJECTIVE: Atrophy and intestinal metaplasia are early phenotypic markers in gastric carcinogenesis. White light endoscopy does not allow direct biopsy of intestinal metaplasia due to a lack of contrast of the mucosa. Narrow-band imaging is known to enhance the visibility of intestinal metaplasia, to reduce sampling error, and to increase the diagnostic yield of endoscopy for intestinal metaplasia in Asian patients. The aim of our study was to validate the diagnostic performance of narrow-band imaging using 1...
February 12, 2018: Revista de Gastroenterología de México
https://www.readbyqxmd.com/read/29369216/helicobacter-pylori-eradication-may-influence-timing-of-endoscopic-surveillance-for-gastric-cancer-in-patients-with-gastric-precancerous-lesions-a-retrospective-study
#5
Maria Pina Dore, Alice Cipolli, Matteo Walter Ruggiu, Alessandra Manca, Gabrio Bassotti, Giovanni Mario Pes
Chronic atrophic gastritis and intestinal metaplasia related to Helicobacter pylori infection, are major risk factors for gastric adenocarcinoma. Eradication of H pylori and endoscopy surveillance of precancerous lesions may reduce the risk and/or lead to early detection of gastric cancer improving survival. In this study, the progression of precancerous lesions after H pylori treatment was evaluated.Patients with incomplete or complete intestinal metaplasia and/or gastric atrophy at the index endoscopy, were examined for the extension/histological worsening of precancerous lesions at the endoscopy surveillance for gastric cancer...
January 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29218319/low-yield-for-non-targeted-biopsies-of-the-stomach-and-esophagus-during-elective-esophagogastroduodenoscopy
#6
Michael K Dougherty, Phillip P Santoiemma, Andrew T Weber, David C Metz, Yu-Xiao Yang
Background and study aims:  Biopsies of non-specific mucosal findings are often performed during esophagogastroduodenoscopy (EGD). We sought to determine the prevalence and clinical utility of non-targeted biopsies of the stomach and esophagus. Patients and methods:  We conducted a retrospective review of 949 outpatient EGDs performed at a US tertiary referral center. Non-targeted biopsies of the stomach were defined as either "normal" or "mild" to "moderate" "erythema" or "inflammation" without other endoscopic features...
December 2017: Endoscopy International Open
https://www.readbyqxmd.com/read/29209116/gastric-xanthelasma-and-metabolic-disorders-a-large-retrospective-study-among-chinese-population
#7
Yi Chen, Xin-Jue He, Min-Jian Zhou, You-Ming Li
AIM: To gain knowledge of xanthelasma, a large population-based study was conducted. METHODS: Patients who underwent upper gastrointestinal endoscopy at the First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China during Jan 2009 to Nov 2016 were included. General characteristics as well as clinical data were collected, including blood routine, serum biochemical analysis, endoscopic findinds, histological evaluation and comorbiditie. Statistical analyses was performed using SPSS 20...
November 21, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/29193217/reversibility-of-atrophic-gastritis-and-intestinal-metaplasia-after-helicobacter-pylori-eradication-a-prospective-study-for-up-to-10-years
#8
Y-J Hwang, N Kim, H S Lee, J B Lee, Y J Choi, H Yoon, C M Shin, Y S Park, D H Lee
BACKGROUND: Atrophic gastritis and intestinal metaplasia are premalignant conditions for gastric cancer. Their reversibility by Helicobacter pylori eradication remains controversial. AIM: To evaluate the reversibility of atrophic gastritis and intestinal metaplasia by H. pylori eradication with long-term follow-up. METHODS: 598 subjects were prospectively enrolled and followed for up to 10 years. They were categorised as H. pylori-negative (n = 65), H...
February 2018: Alimentary Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/29082856/male-non-insulin-users-with-type-2-diabetes-mellitus-are-predisposed-to-gastric-corpus-predominant-inflammation-after-h-pylori-infection
#9
Yao-Jong Yang, Chung-Tai Wu, Horng-Yih Ou, Chin-Han Lin, Hsiu-Chi Cheng, Wei-Lun Chang, Wei-Ying Chen, Hsiao-Bai Yang, Cheng-Chan Lu, Bor-Shyang Sheu
BACKGROUND: Both H. pylori infection and diabetes increase the risk of gastric cancer. This study investigated whether patients with type 2 diabetes mellitus (T2DM) and H. pylori infection had more severe corpus gastric inflammation and higher prevalence of precancerous lesions than non-diabetic controls. METHODS: A total of 797 patients with type 2 diabetes mellitus were screened for H. pylori, of whom 264 had H. pylori infection. Of these patients, 129 received esophagogastroduodenoscopy to obtain topographic gastric specimens for gastric histology according to the modified Updated Sydney System, corpus-predominant gastritis index (CGI), Operative Link on Gastritis Assessment, and Operative Link on Gastric Intestinal Metaplasia Assessment...
October 30, 2017: Journal of Biomedical Science
https://www.readbyqxmd.com/read/29069889/characterizing-helicobacter-pylori-caga-in-myanmar
#10
Thein Myint, Muhammad Miftahussurur, Ratha-Korn Vilaichone, New Ni, Than Than Aye, Phawinee Subsomwong, Tomohisa Uchida, Varocha Mahachai, Yoshio Yamaoka
Background/Aims: Differences in the Helicobacter pylori infection rate are not sufficient to clarify the dissimilarity of gastric cancer incidence between Myanmar and its neighboring countries. To better understand this trend, the H. pylori virulence gene cagA was characterized in Myanmar. Methods: Glutamate-proline-isoleucine-tyrosine-alanine (EPIYA) patterns and CagA multimerization (CM) motifs of cagA genotypes were examined by performing polymerase chain reactions and DNA sequencing...
January 15, 2018: Gut and Liver
https://www.readbyqxmd.com/read/28946145/impact-of-cyclooxygenase-2-1195-g-carrier-genotype-associated-with-intestinal-metaplasia-and-endoscopic-findings-based-on-kyoto-classification
#11
Yasuhiro Kodaka, Seiji Futagami, Atsushi Tatsuguchi, Hiroshi Yamawaki, Hitomi Sato, Satomi Hashimoto, Tetsuro Kawagoe, Nobue Ueki, Hiroyuki Nagoya, Yuuta Maruki, Kazumasa Miyake, Katya Gudis, Choitsu Sakamoto, Katsuhiko Iwakiri
BACKGROUND/AIMS: We aimed to clarify whether cyclooxygenase-2 (COX-2) and microsomal prostaglandin E synthase-1 (mPGES-1) genotypes were associated with certain histological findings and endoscopical appearances based on Kyoto classification. METHODS: We enrolled 285 Helicobacter pylori-infected gastritis patients. Genotypes of COX-2 1195, COX-2 1290, mPGES-1, interleukin-1β (IL-1β) 511 and tumour necrosis factor-α (TNF-α) 308 were analyzed. Genotyping was performed by polymerase chain reaction...
2017: Digestion
https://www.readbyqxmd.com/read/28940945/effect-of-biopsy-site-on-detection-of-gastric-cancer-high-risk-groups-by-olga-and-olgim-stages
#12
Young-Il Kim, Myeong-Cherl Kook, Soo-Jeong Cho, Jong Yeul Lee, Chan Gyoo Kim, Jungnam Joo, Il Ju Choi
BACKGROUND/AIMS: The operative link for gastritis assessment (OLGA) and operative link on gastric intestinal metaplasia assessment (OLGIM) staging systems are recommended to assess the severity of gastritis, but the optimal biopsy sites have not been clearly defined. We aimed to investigate whether the scoring of the OLGA and OLGIM stages was affected by the use of different biopsy sites. METHODS: Between 2014 and 2015, to determine OLGA and OLGIM stages, seven biopsy samples were obtained from the antrum (lesser and greater curvatures [LG] of the antrum and lesser curvature of the angle) and corpus (LG and anterior and posterior walls [AP]) in 247 patients diagnosed with gastritis, gastric adenoma, or adenocarcinoma...
December 2017: Helicobacter
https://www.readbyqxmd.com/read/28918609/associations-among-gastric-juice-ph-atrophic-gastritis-intestinal-metaplasia-and-helicobacter-pylori-infection
#13
Jihee Sung, Nayoung Kim, Jongchan Lee, Young-Jae Hwang, Hyoung Woo Kim, Jung Wha Chung, Jin-Wook Kim, Dong Ho Lee
Background/Aims: Gastric juice plays a crucial role in the physiology of the stomach. The aim of this study is to evaluate associations among the pH of gastric juice, atrophic gastritis (AG), intestinal metaplasia (IM), pepsinogen, and Helicobacter pylori infection. Methods: Gastric biopsies and juice were collected from 46 subjects who underwent endoscopies at Seoul National University Bundang Hospital between November 2011 and March 2013. H. pylori , AG and IM were evaluated, and pepsinogen I or II, I/II ratio, and interleukin (IL)-1β levels were measured...
March 15, 2018: Gut and Liver
https://www.readbyqxmd.com/read/28701149/the-prevalence-of-gastric-heterotopia-of-the-proximal-esophagus-is-underestimated-but-preneoplasia-is-rare-correlation-with-barrett-s-esophagus
#14
Ulrich Peitz, Michael Vieth, Matthias Evert, Jovana Arand, Albert Roessner, Peter Malfertheiner
BACKGROUND: The previously reported prevalence of gastric heterotopia in the cervical esophagus, also termed inlet patch (IP), varies substantially, ranging from 0.18 to 14%. Regarding cases with adenocarcinoma within IP, some experts recommend to routinely obtain biopsies from IP for histopathology. Another concern is the reported relation to Barrett's esophagus. The objectives of the study were to prospectively determine the prevalence of IP and of preneoplasia within IP, and to investigate the association between IP and Barrett's esophagus...
July 12, 2017: BMC Gastroenterology
https://www.readbyqxmd.com/read/28469360/investigation-of-mucosal-pattern-of-gastric-antrum-using-magnifying-narrow-band-imaging-in-patients-with-chronic-atrophic-fundic-gastritis
#15
Yasushi Yamasaki, Noriya Uedo, Hiromitsu Kanzaki, Minoru Kato, Kenta Hamada, Kenji Aoi, Yusuke Tonai, Noriko Matsuura, Takashi Kanesaka, Takeshi Yamashina, Tomofumi Akasaka, Noboru Hanaoka, Yoji Takeuchi, Koji Higashino, Ryu Ishihara, Yasuhiko Tomita, Hiroyasu Iishi
BACKGROUND: Magnifying narrow-band imaging (M-NBI) can reportedly help predict the presence and distribution of atrophy and intestinal metaplasia in the gastric corpus. However, the micro-mucosal pattern of the antrum shown by M-NBI differs from that of the corpus. We studied the distribution and histology of the micro-mucosal pattern in the antrum based on magnifying endoscopy. METHODS: Endoscopic images of the greater curvature of the antrum were evaluated in 50 patients with chronic atrophic fundic gastritis (CAFG)...
2017: Annals of Gastroenterology: Quarterly Publication of the Hellenic Society of Gastroenterology
https://www.readbyqxmd.com/read/28436254/the-correlation-between-histological-gastritis-staging-olga-olgim-and-serum-pepsinogen-test-in-assessment-of-gastric-atrophy-intestinal-metaplasia-in-china
#16
Xiaoteng Wang, Bin Lu, Lina Meng, Yihong Fan, Shuo Zhang, Meng Li
BACKGROUND: Serum pepsinogen (PG) test, as an indicator of gastric mucosal atrophy, reflects the functional and morphologic status of gastric mucosal and it is suggested to serve as a useful predictive marker for patients with gastric cancer (GC). The available classifications of gastritis, known as the Operative Link on Gastritis Assessment (OLGA) and Operative Link on Gastritis Intestinal Metaplasia (OLGIM), integrating the severity and topography of atrophy/intestinal metaplasia (IM), have been gradually accepted and used in screening for GC in recent years...
August 2017: Scandinavian Journal of Gastroenterology
https://www.readbyqxmd.com/read/28316764/the-association-between-oral-hygiene-and-gastric-pathology-in-patients-with-dyspepsia-a-cross-sectional-study-in-southeast-iran
#17
Leili Zahedi, Elham Jafari, Molook Torabi Parizi, Sara Shafieipour, Mehdi Hayat Bakhsh Abbasi, Sodaif Darvish Moghadam, Mohammad Javad Zahedi
BACKGROUND Many studies have reported an association between periodontal infections and some systemic diseases such as respiratory and cardiovascular diseases. Some studies found a direct association between chronic gastritis caused by Helicobacter pylori (HP) infection and poor periodontal health. METHODS In a cross-sectional study from November 2014 to December 2015 in Kerman, the largest province in southeast Iran, patients with dyspepsia who were candidate for diagnostic upper gastrointestinal (GI) endoscopy were included in our study...
January 2017: Middle East Journal of Digestive Diseases
https://www.readbyqxmd.com/read/28072871/atrophic-and-metaplastic-progression-in-the-background-mucosa-of-patients-with-gastric-adenoma
#18
Hee Kyong Na, Charles J Cho, Suh Eun Bae, Jeong Hoon Lee, Young Soo Park, Ji Yong Ahn, Do Hoon Kim, Kee Don Choi, Ho June Song, Gin Hyug Lee, Se Jin Jang, Hwoon-Yong Jung
BACKGROUND: In patients with adenoma, assessing premalignant changes in the surrounding mucosa is important for surveillance. This study evaluated atrophic and metaplastic progression in the background mucosa of adenoma or early gastric cancer (EGC) cases. METHODS: Among 146 consecutive patients who underwent endoscopic resection for intestinal-type gastric neoplasia, the adenoma group included 56 patients with low-grade dysplasia and the ECG group included 90 patients with high-grade dysplasia or invasive carcinoma...
2017: PloS One
https://www.readbyqxmd.com/read/28053963/expression-of-leucine-rich-repeat-containing-g-protein-coupled-receptor-5-and-cd44-potential-implications-for-gastric-cancer-stem-cell-marker
#19
Yoon Jin Choi, Nayoung Kim, Hye Seung Lee, Seon Mee Park, Ji Hyun Park, Hyuk Yoon, Cheol Min Shin, Young Soo Park, Jin-Wook Kim, Dong Ho Lee
BACKGROUND: The human leucine-rich repeat-containing G-protein coupled receptor (LGR) 5 and CD44 are one of the candidates for the marker of gastric cancer stem cells. We compared the expressions of two genes among control, dysplasia and cancer groups. METHODS: We compared the mRNA expression of LGR5, CD44 and CD44v8-10 and immunohistochemistry (IHC) of LGR5 and CD44 in gastric antral mucosa of 45 controls, 36 patients with gastric dysplasia, and 39 patients with early gastric cancer...
December 2016: Journal of Cancer Prevention
https://www.readbyqxmd.com/read/27804306/regression-of-gastric-intestinal-metaplasia-after-the-eradication-of-helicobacter-pylori-infection-in-a-hospital-in-mexico
#20
Jaime Alberto Sánchez Cuén, Ana Bertha Irineo Cabrales, Gregorio Bernal Magaña, Felipe Peraza Garay
BACKGROUND: Intestinal metaplasia is a precursor lesion of gastric cancer. Infection by Helicobacter pylori is the principal cause of metaplasia. While evidence of the regression of metaplasia after treatment to eradicate this infection has been demonstrated, controversy remains with regard to this subject. OBJECTIVE: The objective of this study was to determine the frequency of the regression of gastric intestinal metaplasia one year after the eradication of Helicobacter pylori...
December 2016: Revista Española de Enfermedades Digestivas
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