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https://www.readbyqxmd.com/read/28819392/long-term-trends-in-primary-sites-of-gastric-adenocarcinoma-in-japan-and-the-united-states
#1
Michitaka Honda, Sandra L Wong, Mark A Healy, Toshifusa Nakajima, Masayuki Watanabe, Shingo Fukuma, Shunichi Fukuhara, John Z Ayanian
Background: The incidence and characteristics of gastric cancer have been shown to vary widely across Western and Eastern countries. Our study had two aims: to evaluate long-term trends in gastric adenocarcinoma in Japan over a period of 70 years, and to anticipate the future of gastric cancer in Japan, through comparison with data from the United States. Methods: Japanese patient data for 19,306 incident cases of gastric adenocarcinoma from 1946 - 2014 were collected from the Gastric Cancer Database at the Cancer Institute Hospital, Tokyo, Japan (CIH-GCDB)...
2017: Journal of Cancer
https://www.readbyqxmd.com/read/28818111/estimates-of-cancer-incidence-and-mortality-in-china-2013
#2
Rongshou Zheng, Hongmei Zeng, Siwei Zhang, Wanqing Chen
INTRODUCTION: Population-based cancer registration data are collected by the National Central Cancer Registry in China every year. Cancer incident cases and cancer deaths in 2013 were analyzed. METHODS: Through the procedure of quality control, reported data from 255 registries were accepted to establish the national database for cancer estimates. Incidences and mortalities were calculated with stratification by area (urban/rural), sex (male/female), age group (0, 1-4, 5-9, 10-14 … 80-84, and 85-year-old and above), and cancer site...
August 17, 2017: Chinese Journal of Cancer
https://www.readbyqxmd.com/read/28814970/prevalence-and-characteristics-of-epstein-barr-virus-associated-gastric-carcinomas-in-portugal
#3
Célia Nogueira, Marta Mota, Rui Gradiz, Maria Augusta Cipriano, Francisco Caramelo, Hugo Cruz, Ana Alarcão, Francisco Castro E Sousa, Fernando Oliveira, Fernando Martinho, João Moura Pereira, Paulo Figueiredo, Maximino Leitão
BACKGROUND: Gastric cancer (GC) is one of the most common malignant tumors of the digestive tract and is the third leading cause of cancer death worldwide. Epstein-Barr virus (EBV) has been associated with approximately 10% of the total cases of gastric carcinomas. No previous study has analyzed the prevalence of EBV infection in gastric cancer of the Portuguese population. METHODS: In the present study, we have analyzed 82 gastric carcinoma cases and 33 healthy individuals (control group) from Coimbra region for the presence of EBV by polymerase chain reaction (PCR) and by in situ hybridization (ISH) for EBV-encoded small RNAs (EBERs)...
2017: Infectious Agents and Cancer
https://www.readbyqxmd.com/read/28811347/tifa-signaling-in-gastric-epithelial-cells-initiates-the-cag-type-4-secretion-system-dependent-innate-immune-response-to-helicobacter-pylori-infection
#4
Alevtina Gall, Ryan G Gaudet, Scott D Gray-Owen, Nina R Salama
Helicobacter pylori is a bacterial pathogen that colonizes the human stomach, causing inflammation which, in some cases, leads to gastric ulcers and cancer. The clinical outcome of infection depends on a complex interplay of bacterial, host genetic, and environmental factors. Although H. pylori is recognized by both the innate and adaptive immune systems, this rarely results in bacterial clearance. Gastric epithelial cells are the first line of defense against H. pylori and alert the immune system to bacterial presence...
August 15, 2017: MBio
https://www.readbyqxmd.com/read/28808397/genistein-attenuated-gastric-injury-on-indomethacin-induced-gastropathy-in-rats
#5
Sarocha Vivatvakin, Duangporn Werawatganon, Kanjana Somanawat, Naruemon Klaikeaw, Prasong Siriviriyakul
OBJECTIVES: To investigates the mucoprotective effect of genistein on gastric injury in rats with indomethacin (IMN)-induced gastropathy. METHODS: Male Sprague-Dawley rats were randomly divided into three groups. Group 1 (control; n = 6) was given distilled water (DW). Group 2 (IMN; n = 6) was given indomethacin (IMN) 150 mg/kg dissolved in 5% sodium bicarbonate (NaHCO3(-)) 1 mL/rat via intragastric tube at time 0 and 4 h. Group 3 (genistein; n = 6) was given genistein 100 mg/kg dissolved in 0...
July 2017: Pharmacognosy Magazine
https://www.readbyqxmd.com/read/28807689/effects-of-polysaccharides-from-abalone-viscera-haliotis-discus-hannai-ino-on-mgc-803cells-proliferation
#6
Rui-Juan Zhang, Yan Shi, Jing Zheng, Xiao-Mei Mao, Zhi-Yu Liu, Qing-Xi Chen, Qin Wang
The polysaccharides (AVP) was obtained from abalone (Haliotis discus hannai Ino) viscera, using the alkaline protease to enzymolysis, sevage method and repeated freezing and thawing method to remove protein and hydrogen peroxide method to depigment. The total sugar content was 46.27±1.5% and uronic acid, sulfate radical, hexosamine and protein contents were 17.44±0.22%, 16.98±0.15%, 0.65±0.02% and 1.64±0.13% in AVP respectively. The main monosaccharide compositions of AVP were D-galactose, D-xylose, D-mannose, D-glucose and D-glucuronic acid...
August 11, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28806973/protective-effects-of-orange-citrus-sinensis-l-peel-aqueous-extract-and-hesperidin-on-oxidative-stress-and-peptic-ulcer-induced-by-alcohol-in-rat
#7
Slimen Selmi, Kais Rtibi, Dhekra Grami, Hichem Sebai, Lamjed Marzouki
BACKGROUND: Massive alcohol drinking can lead to gastric ulcer. In the present study we investigated the gastroprotective effect of Citrus sinensis peel aqueous extract (CSPE) and Hesperidin (H) in ethanol (EtOH) induced oxidative stress and peptic ulcer in rats. METHODS: Seventy adult male Wistar rats were divided into seven groups of 10 each: control, EtOH (4 g/kg b.w.), EtOH + various doses of CSPE (100, 200 and 400 mg/kg, b.w.), EtOH + Hesperidin (50 mg/kg, p...
August 14, 2017: Lipids in Health and Disease
https://www.readbyqxmd.com/read/28804629/clinical-presentation-and-treatment-of-gastric-metastasis-from-other-malignancies-of-solid-organs
#8
Tsutomu Namikawa, Eri Munekage, Maho Ogawa, Toyokazu Oki, Masaya Munekage, Hiromichi Maeda, Hiroyuki Kitagawa, Takeki Sugimoto, Michiya Kobayashi, Kazuhiro Hanazaki
The aim of the present study was to analyze the clinicopathologic features and treatment outcomes of gastric metastasis from other malignancies of solid organs. A review was conducted of patients with metastatic tumors in the stomach from other malignancies of solid organs detected endoscopically at the Department of Surgery, Kochi Medical School, from January 1991 to December 2015. Seven patients (four men and three women), with a median age of 64 years (range, 42-71 years), had metastatic gastric tumors. Median tumor size was 7...
August 2017: Biomedical Reports
https://www.readbyqxmd.com/read/28804556/anti-tumor-efficacy-evaluation-of-a-novel-monoclonal-antibody-targeting-neutral-amino-acid-transporter-asct2-using-patient-derived-xenograft-mouse-models-of-gastric-cancer
#9
Noriyuki Kasai, Aya Sasakawa, Kenta Hosomi, Tze Wei Poh, Bernadette Lynn Chua, Wei Peng Yong, Jimmy So, Shing Leng Chan, Richie Soong, Koji Kono, Toshihiko Ishii, Kazuya Yamano
ASC amino acid transporter 2 (ASCT2), also known as solute linked carrier family 1 member A5 (SLC1A5) is a Na+-dependent glutamine/neutral amino acid transporter. ASCT2 acts as a high-affinity transporter of L-glutamine (Gln) and has been reported to be up-regulated in a variety of cancerous tissues including stomach, liver, and kidney. In this study, we evaluated anti-tumor efficacy of a novel anti-ASCT2 humanized monoclonal antibody, KM8094, which has a neutralizing activity against glutamine uptake, as a therapeutic antibody against gastric cancer and explored clinical predictive biomarker candidates by utilizing patient-derived xenograft (PDX) mouse models...
2017: American Journal of Translational Research
https://www.readbyqxmd.com/read/28803550/palliative-end-ileostomy-and-gastrojejunostomy-for-a-metastatic-distal-transverse-colonic-malignancy-complicated-by-a-proximal-duodenocolic-fistula-a-case-report
#10
Gnanaselvam Pamathy, Umesh Jayarajah, Yapa Hamillage Hemantha Gunathilaka, Sivasuriya Sivaganesh
BACKGROUND: Fistulae between the colon and upper gastrointestinal tract are distressing and uncommon complications of malignancies involving this region. We report a case of a middle-aged man with a locally advanced and metastatic distal transverse colon malignancy who presented with a duodenocolic fistula proximal to the primary tumor and underwent palliative surgery. CASE PRESENTATION: A 50-year-old Sri Lankan man presented to our hospital with a history of feculent vomiting of 1 week's duration preceded by worsening constipation and abdominal fullness of 2 months' duration...
August 14, 2017: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/28801919/familial-associations-of-female-breast-cancer-with-other-cancers
#11
Guoqiao Zheng, Hongyao Yu, Akseli Hemminki, Asta Försti, Kristina Sundquist, Kari Hemminki
Familial risks of breast cancer (BC) are well established but whether BC clusters with other, i.e. discordant, cancers is less certain but of interest for the identification of common genetic and possible environmental factors contributing to a general cancer susceptibility. We apply a novel approach to search for familial associations of BC with other (discordant) cancers based on the Swedish Family-Cancer Database. Relative risks (RRs) were calculated for BC in families with increasing numbers of patients with discordant cancer X, and conversely, familial RRs for cancer X in families with increasing numbers of BC patients...
August 12, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28800008/epstein-barr-virus-infection-can-be-a-secondary-event-in-b-cell-lymphomas-a-review-of-338-cases-and-a-novel-finding-of-zonal-eber-tumor-cells-showing-features-of-progression-from-underlying-ebv-negative-lymphoma
#12
Ira J Miller
Cases of B-cell lymphoma over an 8-year interval with diagnosis of EBER positivity were retrieved from archives and reviewed for classification and pattern of Epstein Barr Virus (EBV) expression. Of 46 cases that were EBV early RNA (EBER)+ by in situ hybridization staining, 7 had nonuniform staining among the neoplastic cells. Four of those cases showed a uniform admixture of EBER+ and EBER- tumor cells, compatible with the prevailing theory of episomal EBV loss with cell replication. Three cases of lymphomas showed a partial and zonal pattern and other features suggest that EBV infection occurred after the lymphoma was already established...
August 9, 2017: Applied Immunohistochemistry & Molecular Morphology: AIMM
https://www.readbyqxmd.com/read/28799152/-gastric-schwannoma-rare-differenzial-diagnosis-of-acute-upper-gastrointestinal-gi-bleeding
#13
Orestis Lyros, Stephan Schickel, Katrin Schierle, Albrecht Hoffmeister, Ines Gockel
Schwannomas are benign tumors derived from Schwann cells and their typical site of origin is the subcutaneous tissue of the extremities. Gastrointestinal localization of Schwannomas is extremely rare and the stomach is the prevalent site. Gastric schwannomas primarily occur in the gastric submucosa and are usually asymptomatic.We present a rare case of a solitary gastric schwannoma in a 51-year old male, which initially manifested with hematemesis by acute upper gastrointestinal (GI) bleeding. The upper GI-Endoscopy revealed a gastric submucosal tumor, 7 cm in size, located in the proximal corpus and fundus...
August 2017: Zeitschrift Für Gastroenterologie
https://www.readbyqxmd.com/read/28798286/the-characteristics-and-prognosis-of-diffuse-type-early-gastric-cancer-diagnosed-during-health-check-ups
#14
Ji Young Lee, Eun Jeong Gong, Eun Ju Chung, Hye Won Park, Suh Eun Bae, Eun Hee Kim, Jaeil Kim, Yoon Suh Do, Tae Hyup Kim, Hye-Sook Chang, Ho June Song, Jaewon Choe, Hwoon-Yong Jung
Background/Aims: Because of the poor prognosis of diffuse-type gastric cancer, early detection is important. We investigated the clinical characteristics and prognosis of diffuse-type early gastric cancer (EGC) diagnosed in subjects during health check-ups. Methods: Among 121,111 subjects who underwent gastroscopy during a routine health check-up, we identified 282 patients with 286 EGC lesions and reviewed their clinical and tumor-specific parameters. Results: Patients with diffuse-type EGC were younger, and 48...
August 14, 2017: Gut and Liver
https://www.readbyqxmd.com/read/28796048/clinicopathologic-study-of-succinate-dehydrogenase-deficient-gastrointestinal-stromal-tumors-a-single-institutional-experience-in-china
#15
Weizhen Liu, Xiangyu Zeng, Xiuli Wu, Jun He, Jinbo Gao, Xiaoming Shuai, Guobin Wang, Peng Zhang, Kaixiong Tao
Gastrointestinal stromal tumors (GISTs) that are not driven by kinase mutations, as are most GISTs, often show loss of function of the succinate dehydrogenase (SDH) complex and are considered SDH-deficient GISTs. SDH-deficient GISTs share many distinct characteristics compared with conventional GISTs. However, data regarding these characteristics, particularly among Asian people, are relatively limited. The objective of this study was to characterize the clinicopathologic characteristics, treatment, and prognosis of these uncommon GISTs...
August 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28791999/-clinical-and-morphological-characteristics-of-gastrointestinal-stromal-tumors
#16
D D Khalikov, F Sh Akhmetzyanov, S V Petrov
Gastrointestinal stromal tumors (GISTs) are the most common mesenchymal tumors of the gastrointestinal tract. Despite this, GISTS comprise about 2% in the structure of digestive tract cancers. They are usually localized in the stomach; however, they can be found in the small intestine and more rarely in the colon and esophagus. Although approximately 70% of the GISTs consist predominantly of spindle cells; the epithelioid cell tumors represent 20% of cases; there are also mixed variants. This variability in the morphological structure of GISTs complicates their diagnosis...
2017: Arkhiv Patologii
https://www.readbyqxmd.com/read/28791503/endoscopic-submucosal-dissection-for-esophagogastric-junction-tumors-a-single-center-experience
#17
Joong Keun Kim, Gwang Ha Kim, Bong Eun Lee, Chul Hong Park, Hye Kyung Jeon, Dong Hoon Baek, Geun Am Song
BACKGROUND: Surgical resection for esophagogastric junction (EGJ) tumors is more aggressive and worsens the quality of life of the patients and leads to poor prognosis even after surgery compared with tumors in other sites of the stomach. Endoscopic submucosal dissection (ESD) is a widely accepted treatment modality for premalignant lesions and early cancers in the stomach. However, EGJ tumor is one of the most technically difficult lesions to resect by ESD. Therefore, this study aimed to evaluate the therapeutic outcomes of ESD for EGJ epithelial neoplasms and to assess the predictive factors for incomplete resection...
August 8, 2017: Surgical Endoscopy
https://www.readbyqxmd.com/read/28790552/sister-mary-joseph-nodule-in-an-ovary-adenocarcinoma
#18
Selma Poparic, Asja Prohic, Suada Kuskunovic-Vlahovljak, Emir Guso, Aida Kapetanovic
INTRODUCTION: Sister Mary Joseph Nodule (SMJN) is a metastatic umbilical lesion secondary to a primary malignancy of any viscera, stomach and colon being most common in men, and ovary in women. CASE REPORT: In this article, we present the case of SMJN in a 54-year old female patient. An urgent diagnostic workup was performed with a computerized tomography of abdominal cavity and pelvis showing an expansive tumorous formation covering uterus with a carcinomatosis of peritoneum...
April 2017: Medical Archives
https://www.readbyqxmd.com/read/28790241/-amyloidoma-adjacent-to-the-thoracic-vertebral-body-developed-into-systemic-amyloid-light-chain-amyloidosis
#19
Kyoko Tanaka, Hideto Goto, Shuhei Ikeda, Nami Masumoto, Katsuya Watanabe, Motofumi Tsubakihara
Amyloidoma is very rare case of amyloidosis, and seldom develop into systemic disease. We report a case of an 82-year-old man who was referred to our hospital because of an oppressive feeling in the upper chest. Chest computed tomography showed a tumor on thoracic vertebral body. Percutaneous needle biopsy showed pathological findings of AL amyloidosis. No obvious systemic finding was confirmed, and the tumor was diagnosed as amyloidoma. After a 1-year observation, heart amyloidosis was appeared, then 6 months later he died...
August 2017: Kyobu Geka. the Japanese Journal of Thoracic Surgery
https://www.readbyqxmd.com/read/28789598/development-of-a-computerized-4-d-mri-phantom-for-liver-motion-study
#20
Chunhao Wang, Fang-Fang Yin, W P Segars, Zheng Chang, Lei Ren
PURPOSE: To develop a 4-dimensional computerized magnetic resonance imaging phantom with image textures extracted from real patient scans for liver motion studies. METHODS: The proposed phantom was developed based on the current version of 4-dimensional extended cardiac-torso computerized phantom and a clinical magnetic resonance scan. Initially, the extended cardiac-torso phantom was voxelized in abdominal-chest region at the end of exhalation phase. Structures/tissues were classified into 4 categories: (1) Seven key textured organs, including liver, gallbladder, spleen, stomach, heart, kidneys, and pancreas, were mapped from a clinical T1-weighted liver magnetic resonance scan using deformable registration...
January 1, 2017: Technology in Cancer Research & Treatment
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