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Gastric polyp

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https://www.readbyqxmd.com/read/28222897/gastric-polyps-retrospective-analysis-of-41-253-upper-endoscopies
#1
Lidia Argüello Viúdez, Henry Córdova, Hugo Uchima, Cristina Sánchez-Montes, Àngels Ginès, Isis Araujo, Begoña González-Suárez, Oriol Sendino, Josep Llach, Gloria Fernández-Esparrach
INTRODUCTION: Gastric polyps are usually asymptomatic lesions incidentally discovered during endoscopy. OBJECTIVE: To study the frequency of different types of gastric polyps in our population and their possible association with other factors. PATIENTS AND METHODS: Retrospective study of gastroscopies performed in a tertiary hospital over a ten-year period. Demographics, medical history, indication for gastroscopy and morphological and histological characteristics of polyps were collected...
February 17, 2017: Gastroenterología y Hepatología
https://www.readbyqxmd.com/read/28206938/a-review-of-sleeve-gastrectomy-specimen-histopathology
#2
Luke A Kinsinger, James C Garber, Oliver Whipple
With the increasing popularity of sleeve gastrectomy, many stomach specimens are being evaluated. Understanding the significance and treatment for unexpected pathology is important. This study examines the incidence of relevant histopathology of sleeve gastrectomy specimens. It evaluates previous data for each histopathology and provides recommendations for treatment. In this study, a retrospective review was performed for 241 patients who underwent sleeve gastrectomy from 2009 to 2014 at a single institution...
November 1, 2016: American Surgeon
https://www.readbyqxmd.com/read/28199735/novel-gastric-mucosal-findings-in-association-with-proton-pump-inhibitors
#3
EDITORIAL
Hajime Isomoto, Hiroki Kurumi
Proton pump inhibitors (PPIs) are prescribed worldwide as the treatment of choice for gastroesophageal reflux disease, and are known to exert preventive effects for upper gastrointestinal injuries due to aspirin or non-steroidal anti-inflammatory drugs. On the other hand, the long-term use of PPIs may cause such adverse events as fractures and enteric infections. Recently, they have been associated with mucosal changes including parietal cell protrusions, oxyntic gland dilatations and fundic gland polyps (FGPs)...
February 15, 2017: Digestive Endoscopy: Official Journal of the Japan Gastroenterological Endoscopy Society
https://www.readbyqxmd.com/read/28192107/gastrointestinal-complications-of-obesity
#4
Michael Camilleri, Harmeet Malhi, Andres Acosta
Obesity is usually associated with morbidity related to diabetes mellitus and cardiovascular diseases. However, there are many gastrointestinal and hepatic diseases for which obesity is the direct cause [e.g. non-alcoholic fatty liver diseases (NAFLD)] or is a significant risk factor, such as reflux esophagitis and gallstones. When obesity is a risk factor, it may interact with other mechanisms and result in earlier presentation or complicated diseases. There are increased odds ratios or relative risks of several gastrointestinal complications of obesity: gastroesophageal reflux disease (GERD), erosive esophagitis, Barrett's esophagus, esophageal adenocarcinoma, erosive gastritis, gastric cancer, diarrhea, colonic diverticular disease, polyps, cancer, liver disease including NAFLD, cirrhosis, hepatocellular carcinoma, gallstones, acute pancreatitis, and pancreatic cancer...
February 9, 2017: Gastroenterology
https://www.readbyqxmd.com/read/28190361/ball-valve-syndrome-caused-by-a-giant-gastric-vanek-s-tumor
#5
Cláudio Rodrigues Martins, Élia Gamito, Ana Paula Oliveira
Inflammatory fibroid polyps (Vanek's tumor) are rare, accounting for 0.1% of all gastric polyps. This letter describes an unusual case of an intermittent gastric outlet obstruction by a large Vanek's tumor.
February 13, 2017: Revista Española de Enfermedades Digestivas
https://www.readbyqxmd.com/read/28188442/patients-with-mccune-albright-syndrome-have-a-broad-spectrum-of-abnormalities-in-the-gastrointestinal-tract-and-pancreas
#6
Laura D Wood, Michaël Noë, Wenzel Hackeng, Lodewijk A A Brosens, Feriyl Bhaijee, Marija Debeljak, Jun Yu, Masaya Suenaga, Aatur D Singhi, Atif Zaheer, Alison Boyce, Cemre Robinson, James R Eshleman, Michael G Goggins, Ralph H Hruban, Michael T Collins, Anne Marie Lennon, Elizabeth A Montgomery
McCune-Albright Syndrome (MAS) is a rare sporadic syndrome caused by post-zygotic mutations in the GNAS oncogene, leading to constitutional mosaicism for these alterations. Somatic activating GNAS mutations also commonly occur in several gastrointestinal and pancreatic neoplasms, but the spectrum of abnormalities in these organs in patients with MAS has yet to be systematically described. We report comprehensive characterization of the upper gastrointestinal tract in seven patients with MAS and identify several different types of polyps, including gastric heterotopia/metaplasia (7/7), gastric hyperplastic polyps (5/7), fundic gland polyps (2/7), and a hamartomatous polyp (1/7)...
February 10, 2017: Virchows Archiv: An International Journal of Pathology
https://www.readbyqxmd.com/read/28185118/gastric-cancer-in-fap-a-concerning-rise-in-incidence
#7
Gautam Mankaney, Pamela Leone, Michael Cruise, Lisa LaGuardia, Margaret O'Malley, Amit Bhatt, James Church, Carol A Burke
The highest cancer risks in familial adenomatous polyposis (FAP) include colorectal, duodenal, and thyroid for which surveillance is recommended. Nearly all patients with FAP have gastric fundic gland polyposis (FGP), but gastric cancers are rarely reported with a similar incidence as the general population. We describe a recent, sudden increase in the incidence of gastric cancer in FAP. Seven of the ten cases were diagnosed in the last 20 months. Comparing our population to the SEER database for gastric cancer, the standardized incidence ratio is 140...
February 9, 2017: Familial Cancer
https://www.readbyqxmd.com/read/28181701/primary-gastric-choriocarcinoma-developed-in-a-helicobacter-pylori-negative-patient
#8
Taro Iwatsubo, Noriya Uedo, Kazunobu Ishibashi
A woman in her fifties underwent esophagogastroduodenoscopy, which revealed a whitish large laterally spreading lesion with reddish nodule at the greater curvature (Fig. 1). The patient had no history of Helicobacter pylori (H. pylori) eradication therapy. Anti-H. pylori antibody was negative (<3 U/mL) and no H. pylori-like organism was detected in any of the biopsy specimens. Fundic-gland polyps were seen in the non-atrophic gastric mucosa. No lymph node and distant metastases were found by computed tomography scan...
February 9, 2017: Digestive Endoscopy: Official Journal of the Japan Gastroenterological Endoscopy Society
https://www.readbyqxmd.com/read/28168076/coexistence-of-juvenile-like-polyp-with-neurofibroma-at-the-gastroesophageal-junction-in-an-adult-with-neurofibromatosis-type-i
#9
Namrah Aijaz, Peter Draganov, Atif Iqbal, Xiuli Liu
A 23-year-old Caucasian male with Neurofibromatosis Type I (NF-I) was found to have a submucosal nodule at the gastroesophageal junction (GEJ) and underwent endoscopic submucosal dissection. Histological examination revealed two different lesions within the nodule. The dominant lesion was inflammatory/hyperplastic (juvenile-like) polyp with obliterative vasculopathy while the smaller lesion was a neurofibroma. Gastric/GEJ lesions in NF-I are very rare with only seven cases reported in the literature. Three cases of juvenile-like gastric polyps (located in the antrum, greater curvature, and fundus) have been reported in adult NF-I patients...
2017: Case Reports in Pathology
https://www.readbyqxmd.com/read/28163952/unintended-targeting-of-dmp1-cre-reveals-a-critical-role-for-bmpr1a-signaling-in-the-gastrointestinal-mesenchyme-of-adult-mice
#10
Joohyun Lim, Joseph Burclaff, Guangxu He, Jason C Mills, Fanxin Long
Cre/loxP technology has been widely used to study cell type-specific functions of genes. Proper interpretation of such data critically depends on a clear understanding of the tissue specificity of Cre expression. The Dmp1-Cre mouse, expressing Cre from a 14-kb DNA fragment of the mouse Dmp1 gene, has become a common tool for studying gene function in osteocytes, but the presumed cell specificity is yet to be fully established. By using the Ai9 reporter line that expresses a red fluorescent protein upon Cre recombination, we find that in 2-month-old mice, Dmp1-Cre targets not only osteocytes within the bone matrix but also osteoblasts on the bone surface and preosteoblasts at the metaphyseal chondro-osseous junction...
2017: Bone Research
https://www.readbyqxmd.com/read/28160247/adenocarcinoma-arising-in-multiple-hyperplastic-polyps-in-a-patient-with-helicobacter-pylori-infection-and-hypergastrinemia-during-long-term-proton-pump-inhibitor-therapy
#11
Hajime Anjiki, Ken-Ichi Mukaisho, Yu Kadomoto, Hisakazu Doi, Kunio Yoshikawa, Takahisa Nakayama, Diem Thi-Ngoc Vo, Takanori Hattori, Hiroyuki Sugihara
We report a case of developing multiple adenocarcinoma foci in multiple hyperplastic polyps in a patient with Helicobacter pylori infection and hypergastrinemia during long-term proton pump inhibitor (PPI) therapy. A 57-year-old man, who was undergoing hemodialysis for chronic renal failure, underwent an upper gastrointestinal endoscopy to elucidate the cause of anemia. Atrophic gastritis with H. pylori infection and multiple adenocarcinoma foci in multiple hyperplastic polyps were found in the endoscopic and histological examinations...
February 3, 2017: Clinical Journal of Gastroenterology
https://www.readbyqxmd.com/read/28151870/are-gastric-hyperplastic-polyps-an-additional-manifestation-in-celiac-disease-results-from-a-retrospective-study
#12
Maria Pina Dore, Giovanni Mario Pes, Chiara Rocchi, Maria Francesca Loria, Sara Soro, Gabrio Bassotti
Gastric polyps are frequently reported in patients undergoing upper endoscopic procedures. In this retrospective study, the association between hyperplastic polyps and celiac disease in Northern Sardinia was estimated.Age, gender, body mass index, and medications taken in the 2 preceding months, including proton-pump inhibitors (PPIs), H2 receptor blockers (anti-H2), Helicobacter pylori status, endoscopic findings, and histology from charts of patients undergoing esophago-gastro-duodenoscopy were reviewed. Polyps were classified as hyperplastic, fundic gland, inflammatory, and adenomatous...
February 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28138798/the-digestive-system-of-the-stony-coral-stylophora-pistillata
#13
M Raz-Bahat, J Douek, E Moiseeva, E C Peters, B Rinkevich
Because hermatypic species use symbiotic algal photosynthesis, most of the literature in this field focuses on this autotrophic mode and very little research has studied the morphology of the coral's digestive system or the digestion process of particulate food. Using histology and histochemestry, our research reveals that Stylophora pistillata's digestive system is concentrated at the corals' peristome, actinopharynx and mesenterial filaments (MF). We used in-situ hybridization (ISH) of the RNA transcript of the gene that codes for the S...
January 30, 2017: Cell and Tissue Research
https://www.readbyqxmd.com/read/28105693/epigenetic-regulation-of-wnt-%C3%AE-catenin-signal-associated-genes-in-gastric-neoplasia-of-the-fundic-gland-chief-cell-predominant-type
#14
Takashi Murakami, Hiroyuki Mitomi, Takashi Yao, Tsuyoshi Saito, Tomoyoshi Shibuya, Sumio Watanabe
Gastric neoplasia of the fundic gland (chief cell-predominant) type (GNCCP) is a rare variant of gastric tumor. This tumor is associated with activation of the Wnt/β-catenin signaling pathway; however, the mechanisms underlying this activation remain unknown. To elucidate potential roles of Wnt/β-catenin signal-associated gene methylation in GNCCP, we performed β-catenin immunostaining and methylation-specific polymerase chain reaction (PCR) for their associated genes, including SFRPs, APC, AXIN2, and MCC, in 26 GNCCPs [i...
January 20, 2017: Pathology International
https://www.readbyqxmd.com/read/28089436/the-significance-of-histologic-examination-of-gastrectomy-specimens-a-clinicopathologic-study-of-511-cases
#15
Pavel Kopach, Elizabeth M Genega, Sajani N Shah, Julie J Kim, Yvelisse Suarez
BACKGROUND: Sleeve gastrectomy (SG) is quickly becoming the preferred procedure for bariatric surgery. According to the American Society for Metabolic and Bariatric Surgery guidelines, routine preoperative upper gastrointestinal endoscopies are not recommended universally for bariatric surgery. Some studies have shown that the histologic examination of SG specimens is insignificant and not a cost-effective practice. However, some speculate SG examination may unveil pertinent findings and prevent further progression of precursor lesions...
November 15, 2016: Surgery for Obesity and related Diseases: Official Journal of the American Society for Bariatric Surgery
https://www.readbyqxmd.com/read/28072748/giant-polypoid-gastric-heterotopia-in-the-small-intestine-in-a-boy-a-case-report-and-literature-review
#16
Jing Cai, Haibo Yu
RATIONALE: Heterotopic gastric mucosa has been described at various locations of the body; however, the polyp composed of heterotopic gastric mucosa in the small intestine is rare. PATIENT CONCERNS: A 15-year-old boy visited us for investigation of recurrent episodes of melena. Capsule endoscopy (CE) revealed a polypoid tumor in the ileum, with an active nearby hemorrhage. Contrast-enhanced computed tomography (CECT) showed a tumor in the right quadrant of the abdomen, with a diameter of about 18 × 14 mm...
January 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28070097/a-well-differentiated-early-gastric-cancer-in-a-patient-confirmed-negative-for-helicobacter-pylori
#17
Narihiro Shibukawa, Shuji Wakamatsu, Shohei Ouchi, Yuhei Wakahara, Nobuyuki Tatsumi, Akira Kaneko
A woman in her 70s was an outpatient at our hospital. Esophagogastroduodenoscopy revealed a slightly elevated lesion with erosion, 10mm in diameter, located at the greater curvature of the antrum. Helicobacter pylori testing yielded negative results, and there was no atrophy of the gastric mucosa. Biopsy revealed a well-differentiated tubular adenocarcinoma. Complete en bloc resection was performed via endoscopic submucosal dissection, in accordance with the current Japanese guidelines. The gastric adenocarcinoma of the fundic gland type and coexisting with a hyperplastic or fundic gland polyp was negative according to the histological examination...
2017: Nihon Shokakibyo Gakkai Zasshi, the Japanese Journal of Gastro-enterology
https://www.readbyqxmd.com/read/28050044/gastroduodenojejunal-intussusception-a-very-rare-complication-of-a-pedunculated-gastric-harmatomatous-giant-polyp
#18
Harbi Houssem, Haithem Triki, Mourad Ahmedi
No abstract text is available yet for this article.
January 2017: American Journal of Gastroenterology
https://www.readbyqxmd.com/read/28045635/association-between-laryngeal-pepsin-levels-and-the-presence-of-vocal-fold-polyps
#19
Lu Wang, Jia-Jie Tan, Ting Wu, Rui Zhang, Jia-Nuan Wu, Fang-Fang Zeng, You-Li Liu, Xiao-Yan Han, Yan-Fei Li, Xiang-Ping Li
Objective To determine whether pepsin, the main component of refluxed gastric contents, is significantly associated with vocal fold polyps and to evaluate the diagnostic value of pepsin in vocal fold polyps' tissues. Study Design Cross-sectional study. Setting Nanfang Hospital of Southern Medical University. Subjects and Methods The study included 32 patients with vocal fold polyps and 16 healthy controls between 2011 and 2012. Reflux symptom index and reflux finding score assessments, 24-hour combined multichannel intraluminal impedance and pH monitoring, and biopsy of the vocal fold polyp tissues or posterior laryngeal mucosa (healthy controls) for immunohistochemical pepsin staining were performed...
January 2017: Otolaryngology—Head and Neck Surgery
https://www.readbyqxmd.com/read/28034571/vanek-s-tumor-a-rare-gastric-polyp
#20
E Gravito-Soares, M Gravito-Soares, C Sofia
No abstract text is available yet for this article.
January 2017: Revista de Gastroenterología de México
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