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https://www.readbyqxmd.com/read/28338484/the-importance-of-biopsy-sampling-practices-in-the-pathologic-evaluation-of-gastrointestinal-disorders
#1
Nicole C Panarelli, Rhonda K Yantiss
PURPOSE OF REVIEW: To summarize the literature regarding appropriate endoscopic sampling and surveillance protocols for common inflammatory diseases of the digestive tract. Gastroenterologists increasingly use endoscopy with mucosal biopsy to detect inflammatory diseases, assess response to therapy, and monitor for progression to dysplasia. RECENT FINDINGS: Many diseases show a patchy distribution in the digestive tract and there may be poor correlation between the endoscopic appearance and presence of histologic abnormalities...
September 2016: Current Opinion in Gastroenterology
https://www.readbyqxmd.com/read/28338468/endoscopic-mucosal-resection-for-high-grade-dysplasia-and-intramucosal-carcinoma-a-canadian-experience
#2
Denise Tami Yamashita, Chao Li, Drew Bethune, Harry Henteleff, James Ellsmere
BACKGROUND: Endoscopic mucosal resection (EMR) is increasingly being used as a first-line treatment for Barrett esophagus (BE) with high-grade dysplasia (HGD) and intramucosal adenocarcinoma (IMC). We reviewed our experience with endoscopic treatment of BE with HGD and IMC at our institution with respect to eradication rates, complications and long-term recurrence. METHODS: We performed a single-centre retrospective review of all patients referred between October 2010 and August 2014 for EMR with dysplastic BE or IMC...
April 2017: Canadian Journal of Surgery. Journal Canadien de Chirurgie
https://www.readbyqxmd.com/read/28337865/helicobacter-pylori-and-barrett%C3%A2-s-esophagus-a-protective-factor-or-a-real-cause
#3
G Tomasello, F Giordano, M Mazzola, R Jurjus, A Jurjus, P Damiani, S Nobile, F Carini, A Leone
Notwithstanding the definite aetiopathogenetic path of certain diseases, the relationship between Helicobacter pylori (H. pylori) and Barrett’s esophagus (BE), a condition that increases the risk for dysplasia and consequently adenocarcinoma of the distal esophagus and esophagogastric junction, remains uncertain. This paper reviews the current scientific literature with emphasis on the protective correlation between H. pylori infection and BE and demonstrates that a causal relationship has not been disproved with certainty...
January 2017: Journal of Biological Regulators and Homeostatic Agents
https://www.readbyqxmd.com/read/28336546/barrett-s-metaplasia-develops-from-cellular-reprograming-of-esophageal-squamous-epithelium-due-to-gastroesophageal-reflux
#4
Carlos D Minacapelli, Manisha Bajpai, Xin Geng, Christina L Cheng, Abhishek A Chouthai, Rhonda F Souza, Stuart Jon Spechler, Kiron M Das
OBJECTIVE: Gastroesophageal reflux disease (GERD) clinically predisposes to columnar Barrett's metaplasia (BM) in the distal esophagus. We demonstrate evidence supporting cellular origin of BM from reprograming or trans-commitment of resident normal esophageal squamous (NES) epithelial cells in response to acid and bile exposure using an in vitro cell culture model. DESIGN: The hTERT-immortalized NES cell line, NES-B10T, was exposed 5 min/day to Acid and Bile (A+B) mixture for 30 weeks...
March 23, 2017: American Journal of Physiology. Gastrointestinal and Liver Physiology
https://www.readbyqxmd.com/read/28325198/the-evaluation-and-management-of-suspicious-gastric-lesions-following-bariatric-surgery
#5
REVIEW
Guillermo Gomez
Obesity has reached epidemic proportions worldwide and is associated with a higher mortality from several diseases, including adenocarcinoma of the esophagus and of the gastric cardia. Increased body mass index is associated with an increased incidence of gastroesophageal reflux disease (GERD), Barrett metaplasia, and adenocarcinoma of the cardia. Bariatric surgery remains the most effective therapy for morbid obesity and has the potential to improve weight-related GERD. A high index of suspicion is paramount for early detection of foregut neoplasia after bariatric surgery...
April 2017: Surgical Clinics of North America
https://www.readbyqxmd.com/read/28322771/computer-aided-detection-of-early-barrett-s-neoplasia-using-volumetric-laser-endomicroscopy
#6
A Swager, F van der Sommen, S R Klomp, S Zinger, S L Meijer, E J Schoon, J J Bergman, P H N de With, W L Curvers
BACKGROUND AND AIMS: Volumetric laser endomicroscopy (VLE) is an advanced imaging system that provides a near-microscopic resolution scan of the esophageal wall layers up to 3 mm deep. VLE has the potential to improve detection of early neoplasia in Barrett's esophagus (BE). However, interpretation of VLE images is complex due to the large amount of data that needs to be interpreted in real-time. The aim of this study was to investigate the feasibility of a computer algorithm to identify early BE neoplasia on ex vivo VLE images...
March 16, 2017: Gastrointestinal Endoscopy
https://www.readbyqxmd.com/read/28317452/recent-advances-in-diagnostic-testing-for-gastroesophageal-reflux-disease
#7
Rishi D Naik, Michael F Vaezi
Gastroesophageal reflux disease (GERD) has a large economic burden with important complications that include esophagitis, Barrett's esophagus, and adenocarcinoma. Despite endoscopy, validated patient questionnaires, and traditional ambulatory pH monitoring, the diagnosis of GERD continues to be challenging. Areas covered: This review will explore the difficulties in diagnosing GERD with a focus on new developments, ranging from basic fundamental changes (histology and immunohistochemistry) to direct patient care (narrow-band imaging, impedance, and response to anti-reflux surgery)...
March 20, 2017: Expert Review of Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/28315927/hla-dr-expression-in-tumor-epithelium-is-an-independent-prognostic-indicator-in-esophageal-adenocarcinoma-patients
#8
Margaret R Dunne, Adriana J Michielsen, Katie E O'Sullivan, Mary Clare Cathcart, Ronan Feighery, Brendan Doyle, Jenny A Watson, Naoimh J O'Farrell, Narayanasamy Ravi, Elaine Kay, John V Reynolds, Elizabeth J Ryan, Jacintha O'Sullivan
Esophageal adenocarcinoma (EAC) is an aggressive cancer with poor prognosis, and incidence is increasing rapidly in the Western world. Measurement of immune markers has been shown to have prognostic significance in a growing number of cancers, but whether this is true for EAC has yet to be evaluated. This study aimed to characterize HLA-DR expression in the esophagus across the inflammation to cancer progression sequence and to assess the prognostic significance of HLA-DR expression in EAC. Tissue microarrays (TMA) were constructed from esophageal tissue taken from patients at different stages in the cancer progression sequence; normal, esophagitis, Barrett's esophagus (BE), low- and high-grade dysplasia (LGD, HGD) and EAC...
March 18, 2017: Cancer Immunology, Immunotherapy: CII
https://www.readbyqxmd.com/read/28306731/correction-a-molecular-clock-infers-heterogeneous-tissue-age-among-patients-with-barrett-s-esophagus
#9
(no author information available yet)
[This corrects the article DOI: 10.1371/journal.pcbi.1004919.].
March 2017: PLoS Computational Biology
https://www.readbyqxmd.com/read/28303613/feasibility-of-liquid-nitrogen-cryotherapy-after-failed-radiofrequency-ablation-for-barrett-s-esophagus
#10
Arvind J Trindade, Sumant Inamdar, Shivangi Kothari, Joshua Berkowitz, Matthew McKinley, Vivek Kaul
OBJECTIVES: Radiofrequency ablation (RFA) for dysplastic Barrett's esophagus (BE) is highly effective. RFA failures are infrequent but can be a challenging cohort to manage. There is limited data on the feasibility of liquid nitrogen cryospray ablation for the complete eradication of dysplasia (CE-D) and/or intestinal metaplasia (CE-IM) after RFA has failed to achieve CE-IM in patients with dysplastic BE. METHODS: This is a retrospective review from two medical centers of prospectively maintained databases looking at patients that underwent liquid nitrogen cryospray ablation for refractory intestinal metaplasia post failed RFA...
March 16, 2017: Digestive Endoscopy: Official Journal of the Japan Gastroenterological Endoscopy Society
https://www.readbyqxmd.com/read/28301879/laparoscopic-transgastric-circumferential-stapler-assisted-vs-endoscopic-esophageal-mucosectomy-in-a-porcine-model
#11
Daniel C Steinemann, Andreas Zerz, Philip C Müller, Peter Sauer, Anja Schaible, Felix Lasitschka, Anne-Catherine Schwarz, Beat P Müller-Stich, Georg R Linke
Background and study aims Extensive endoscopic mucosal resection (EMR) for Barrett's esophagus (BE) may lead to stenosis. Laparoscopic, transgastric, stapler-assisted mucosectomy (SAM) with the retrieval of a circumferential specimen is proposed. Methods SAM was evaluated in two phases. The feasibility of SAM and the quality of specimens were assessed in eight animals. The mucosal healing was evaluated in a 6-week survival experiment comparing SAM (n = 6) with EMR (n = 6). The ratio of the esophageal lumen width (REL) at the resection level measured on fluoroscopy at 6 weeks divided by the width immediately after resection was compared...
March 16, 2017: Endoscopy
https://www.readbyqxmd.com/read/28300685/external-validation-of-the-michigan-barrett-s-esophagus-prediction-tool
#12
Aaron P Thrift, Thomas L Vaughan, Lesley A Anderson, David C Whiteman, Hashem B El-Serag
No abstract text is available yet for this article.
March 11, 2017: Clinical Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/28293080/tgr5-expression-in-benign-preneoplastic-and-neoplastic-lesions-of-barrett-s-esophagus-case-series-and-findings
#13
Shivali Marketkar, Dan Li, Dongfang Yang, Weibiao Cao
AIM: To examined the bile acid receptor TGR5 expression in squamous mucosa, Barrett's mucosa, dysplasia and esophageal adenocarcinoma (EA). METHODS: Slides were stained with TGR5 antibody. The staining intensity was scored as 1+, 2+ and 3+. The extent of staining (percentage of cells staining) was scored as follows: 1+, 1%-10%, 2+, 11%-50%, 3+, 51%-100%. A combined score of intensity and extent was calculated and categorized as negative, weak, moderate and strong staining...
February 28, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28280615/the-frequency-of-histologically-confirmed-barrett-s-esophagus-varies-by-the-combination-of-ethnicity-and-gender
#14
Sian S Chisholm, Joe E Khoury, M Mazen Jamal, Carlos Palacio, Sunitha Pudhota, Kenneth J Vega
BACKGROUND: Barrett's esophagus (BE) is the primary risk factor for esophageal adenocarcinoma (EAC). Limited data exists regarding the frequency of histologically confirmed BE by both gender and ethnicity in the United States. The study aim was to determine whether the frequency of histologically confirmed BE varies by ethnicity and gender. METHODS: The University of Florida-Jacksonville endoscopy database was reviewed for all cases of salmon colored esophageal mucosa from September 2002 to August 2007...
February 2017: Journal of Gastrointestinal Oncology
https://www.readbyqxmd.com/read/28275832/endoscopic-treatment-of-high-grade-dysplasia-and-early-esophageal-cancer
#15
Francisco Schlottmann, Marco G Patti, Nicholas J Shaheen
BACKGROUND: The emergence of novel endoscopic modalities has challenged the role of surgery for patients with Barrett's esophagus (BE) and high-grade dysplasia (HGD) or early esophageal adenocarcinoma. AIM: The aim of this study was to review the available evidence of the endoscopic treatment of HGD and early esopahgeal adenocarcinoma. RESULTS: For most patients with BE and HGD, endoscopic ablative therapy is the preferred treatment strategy...
March 8, 2017: World Journal of Surgery
https://www.readbyqxmd.com/read/28267445/abdominal-compression-by-waist-belt-aggravates-gastroesophageal-reflux-primarily-by-impairing-esophageal-clearance
#16
David R Mitchell, Mohammad H Derakhshan, Angela A Wirz, Stuart A Ballantyne, Kenneth E L McColl
BACKGROUND & AIMS: Central obesity promotes gastroesophageal reflux and this may be related to increased intra-abdominal pressure. We investigated the effect of increasing abdominal pressure by waist belt on reflux in patients with reflux disease. METHODS: We performed a prospective study of patients with esophagitis (n=8) or Barrett's esophagus (n=6); their median age was 56 years and their median body mass index, 26.8. Proton pump inhibitors were stopped at least 7 days before the study and H2 receptor antagonists were stopped for at least 24 hours before...
March 3, 2017: Gastroenterology
https://www.readbyqxmd.com/read/28265829/a-multicenter-study-of-a-fluorescence-in-situ-hybridization-probe-set-for-diagnosing-high-grade-dysplasia-and-adenocarcinoma-in-barrett-s-esophagus
#17
John M Poneros, Adam S Faye, Emily G Barr Fritcher, Ananda Sen, Sharmila Anandasabapathy, Robert S Bresalier, Norman Marcon, D Kim Turgeon, Henry Appelman, Daniel Normolle, Larry E Morrison, Dean E Brenner, Kevin C Halling
BACKGROUND AND AIMS: Preliminary single-institution data suggest that fluorescence in situ hybridization (FISH) may be useful for detecting high-grade dysplasia (HGD) and esophageal adenocarcinoma (EA) in patients with Barrett's esophagus (BE). This multicenter study aims to validate the measurement of polysomy (gain of at least two loci) by FISH as a way to discriminate degrees of dysplasia in BE specimens. METHODS: Tissue specimens were collected from four different hospitals and read by both the local pathology department ("Site diagnosis") and a single central pathologist ("Review diagnosis") at a separate institution...
March 6, 2017: Digestive Diseases and Sciences
https://www.readbyqxmd.com/read/28265303/erratum-to-global-dna-methylation-patterns-in-barrett-s-esophagus-dysplastic-barrett-s-and-esophageal-adenocarcinoma-are-associated-with-bmi-gender-and-tobacco-use
#18
Andrew M Kaz, Chao-Jen Wong, Vinay Varadan, Joseph E Willis, Amitabh Chak, William M Grady
[This corrects the article DOI: 10.1186/s13148-016-0273-7.].
2017: Clinical Epigenetics
https://www.readbyqxmd.com/read/28263955/pathway-cross-talk-analysis-in-detecting-significant-pathways-in-barrett-s-esophagus-patients
#19
Zhengyuan Xu, Yan Yan, Jian He, Xinfang Shan, Weiguo Wu
BACKGROUND The pathological mechanism of Barrett's esophagus (BE) is still unclear. In the present study, pathway cross-talks were analyzed to identify hub pathways for BE, with the purpose of finding an efficient and cost-effective detection method to discover BE at its early stage and take steps to prevent its progression. MATERIAL AND METHODS We collected and preprocessed gene expression profile data, original pathway data, and protein-protein interaction (PPI) data. Then, we constructed a background pathway cross-talk network (BPCN) based on the original pathway data and PPI data, and a disease pathway cross-talk network (DPCN) based on the differential pathways between the PPI data and the BE and normal control...
March 6, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28259792/management-of-low-grade-dysplasia-in-barrett-s-esophagus-incremental-progress-continues
#20
EDITORIAL
David A Katzka, Gary W Falk
No abstract text is available yet for this article.
March 1, 2017: Gastroenterology
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