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Gastric lymphoma

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https://www.readbyqxmd.com/read/28325194/multimodality-treatment-of-gastric-lymphoma
#1
REVIEW
Naruhiko Ikoma, Brian D Badgwell, Paul F Mansfield
Gastric lymphoma is rare, accounting for 3% of gastric neoplasms and 10% of lymphomas. Treatment should be stratified based on histologic type, stage, Helicobacter pylori infection, and t(11;18) translocation status. Surgery is no longer a mainstay for treatment and should be reserved for rare situations such as perforation, fistula formation, and severe bleeding. Multimodal treatment, including H pylori eradication, radiation therapy, chemotherapy, and immunotherapy, should be provided as appropriate and can result in excellent outcomes...
April 2017: Surgical Clinics of North America
https://www.readbyqxmd.com/read/28325057/-multiple-organ-resection-for-extensive-lymphoma-in-the-abdominal-cavity
#2
L Hlaváčová, R Vrba, M Gregořík, Č Neoral
Extranodal lymphomas are quite rare, and they usually present as non-Hodgkin lymphomas. The most common localization is the gastrointestinal tract, mainly the stomach - primary gastric lymphoma; histologically, diffuse large B-cell lymphoma (DLBCL) is the most frequent type. The diagnosis is established based on endoscopic examination with biopsy of the tumor. It is an aggressive tumor, highly chemosensitive, which is why primary systemic chemotherapy is indicated in early, as well as late, stages of the disease...
2017: Rozhledy V Chirurgii: Měsíčník Československé Chirurgické Společnosti
https://www.readbyqxmd.com/read/28321154/host-pathogen-interactions-in-helicobacter-pylori-related-gastric-cancer
#3
EDITORIAL
Magdalena Chmiela, Zuzanna Karwowska, Weronika Gonciarz, Bujana Allushi, Paweł Stączek
Helicobacter pylori (H. pylori), discovered in 1982, is a microaerophilic, spiral-shaped gram-negative bacterium that is able to colonize the human stomach. Nearly half of the world's population is infected by this pathogen. Its ability to induce gastritis, peptic ulcers, gastric cancer and mucosa-associated lymphoid tissue lymphoma has been confirmed. The susceptibility of an individual to these clinical outcomes is multifactorial and depends on H. pylori virulence, environmental factors, the genetic susceptibility of the host and the reactivity of the host immune system...
March 7, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28315903/reconsideration-of-the-primary-and-secondary-diagnostic-criteria-of-meckel-s-diverticulum-scintigraphy-a-study-of-93-confirmed-cases
#4
Ha Wu, Xiaofei Zhao, Yiwei Li, Ruifang Zhao
OBJECTIVE: Meckel's diverticulum scintigraphy (MDS) is a common method for diagnosing ectopic gastric mucosa (EGM), but atypical images are difficult to diagnose. This study aimed to improve the understanding of the existing diagnostic criteria through a review of confirmed cases. SUBJECTS AND METHODS: A total of 352 patients underwent MDS. Among 120 patients with a positive diagnosis, 106 underwent surgery. This study analyzed the imaging presentation, surgical records, and pathological results...
March 20, 2017: Hellenic Journal of Nuclear Medicine
https://www.readbyqxmd.com/read/28296749/gastrointestinal-involvement-by-mantle-cell-lymphoma-observed-by-endoscopy-a-case-report
#5
De-Ming Li, Yue-Ping Jiang
INTRODUCTION: Mantle cell lymphoma (MCL) is a subtype of non-Hodgkin B-cell lymphoma, accounting for 6% of all non-Hodgkin lymphoma. The typical appearance of intestinal MCL is multiple lymphomatous polyposis, whereas presentation as protruding lesions is uncommon. We herein report the case of a 64-year-old male patient who was admitted to our hospital with epigastric pains. On endoscopy, submucosal neoplasma were identified in the gastric antrum, the duodenal bulb, and the rectum. On endoscopic ultrasonography (EUS) (OLYMPUS EUS EU-ME2, Miniprobe sonography), the lesions were homogeneously hypoechoic and originated from the submucous layer or muscularis mucosa...
March 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28288714/bacteria-associated-with-marginal-zone-lymphomas
#6
REVIEW
Maurilio Ponzoni, Andrés J M Ferreri
In the last decades some bacteria have been associated with a various extent with marginal zone (extra nodal, nodal and splenic types) lymphomas are frequently associated with chronic infections, with important clinical, molecular, biological, and therapeutic implications. The well-known correlation between Helicobacter pylori and gastric MALT-lymphoma, the recently reported links between Chlamydia psittaci and ocular adnexal MALT-lymphoma and Borrelia burgdorferi and cutaneous MALT lymphoma constitute the most studied examples; in addition, Campylobacter jejuni and some more recent associations encompassing Achromobacter xylosoxidans and Haemophilus influenzae will be further reported...
March 2017: Best Practice & Research. Clinical Haematology
https://www.readbyqxmd.com/read/28288705/clinical-aspects-and-therapy-of-gastrointestinal-malt-lymphoma
#7
REVIEW
Catherine Thieblemont, Emanuele Zucca
Extranodal marginal zone B-cell lymphomas of the mucosa associated lymphoid tissue (MALT) arise from lymphoid populations that are induced by chronic inflammation in extranodal sites. Among the MALT lymphomas, gastrointestinal (GIT) MALT lymphoma is the most frequent compared to non-GIT MALT lymphoma arising from other sites. Gastric MALT lymphoma has been the first to be described with the evidence of an etiopathogenetic link provided by the association between Helicobacter pylori-positive gastritis and gastric MALT lymphoma...
March 2017: Best Practice & Research. Clinical Haematology
https://www.readbyqxmd.com/read/28271981/understanding-epstein-barr-virus-life-cycle-with-proteomics-a-temporal-analysis-of-ubiquitination-during-virus-reactivation
#8
Dong-Wen Lv, Jun Zhong, Kun Zhang, Akhilesh Pandey, Renfeng Li
Epstein-Barr virus (EBV) is a human γ-herpesvirus associated with cancer, including Burkitt lymphoma, nasopharyngeal, and gastric carcinoma. EBV reactivation in latently infected B cells is essential for persistent infection whereby B cell receptor (BCR) activation is a physiologically relevant stimulus. Yet, a global view of BCR activation-regulated protein ubiquitination is lacking when EBV is actively replicating. We report here, for the first time, the long-term effects of IgG cross-linking-regulated protein ubiquitination and offer a basis for dissecting the cellular environment during the course of EBV lytic replication...
January 2017: Omics: a Journal of Integrative Biology
https://www.readbyqxmd.com/read/28247637/-oncogenetic-factors-of-some-herpesvirus-infection-agents
#9
I V Kosova
Currently, debate continues about the etiological role of pathogens, in particular viruses, in the development of bladder tumors, their impact on the rate of recurrence and invasive and metastatic forms. The literature has reported some evidence for oncomodulating effect of cytomegalovirus in glioblastomas and bowel tumors. There is the possible role of herpes simplex virus (HSV) type 2 as carcinogenesis cofactor that initiates the development of dysplasia and maintains it in a stable condition. Epstein - Barr virus (EBV) from a family of the oncogenic DNA viruses is associated with an increasing range of cancers...
August 2016: Urologii︠a︡
https://www.readbyqxmd.com/read/28243002/successful-staging-of-synchronous-gastric-cancer-and-diffuse-large-b-cell-lymphoma-dlbcl-using-f-18-fluorodeoxyglucose-positron-emission-tomography-computed-tomography-fdg-pet-ct-based-on-distinctive-levels-of-metabolic-activity-between-the-two-malignancies
#10
Hossein Mehdikhani, Sherif Heiba
No abstract text is available yet for this article.
January 2017: Indian Journal of Nuclear Medicine: IJNM: the Official Journal of the Society of Nuclear Medicine, India
https://www.readbyqxmd.com/read/28223235/interleukin-32-inflammation-and-cancer
#11
REVIEW
Jin Tae Hong, Dong Ju Son, Chong Kil Lee, Do-Young Yoon, Dong Hun Lee, Mi Hee Park
Interleukin-32 (IL-32) is a novel cytokine involved in inflammation and cancer development. IL-32 gene consists of eight small exons, and IL-32 mRNA has nine alternative spliced isoforms, and was thought to be secreted because it contains an internal signal sequence and lacks a transmembrane region. IL-32 is initially expressed selectively in activated T cells by mitogen and activated NK cells and their expression is strongly augmented by microbes, mitogens, and other cytokines. The IL-32 is induced mainly by pathogens and pro-inflammatory cytokines, but IL-32 is more prominent in immune cells than in non-immune tissues...
February 14, 2017: Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/28220325/characterization-of-epstein-barr-virus-encoded-small-rna-gene-variations-in-virus-associated-lymphomas-in-northern-china
#12
Zhenzhen Zhao, Lingling Sun, Song Liu, Jun Shu, Bing Luo
Epstein-Barr virus (EBV)-encoded small RNAs (EBER1 and EBER2) are highly expressed in all forms of EBV latency in EBV-associated malignancies. EBER gene variations and their association with EBV-associated disease still remain poorly characterized. To investigate the patterns of EBER gene variations and their roles in tumorigenesis, EBER gene sequences were analyzed by nested-PCR and DNA sequencing in 101 lymphomas from Northern China, a non-nasopharyngeal carcinoma (NPC) endemic area. In addition, EBV type 1 and type 2 classifications were made by using nested-PCR assays across type-specific regions in the EBNA2 gene...
February 20, 2017: Archives of Virology
https://www.readbyqxmd.com/read/28211282/signet-ring-cell-carcinoma-of-the-jejunum-an-uncommon-finding-within-the-reach-of-capsule-endoscopy
#13
José Francisco Juanmartiñena, Marta Montes, Ignacio Fernández-Urién
An 80 year-old female presented with ductal breast carcinoma (stage II) three years ago, complained of asthenia and iron-deficiency anemia. No diagnosis was obtained after conventional endoscopy and iron supplements were indicated. Ten months later visible digestive hemorrhage was presented. Upper and lower endoscopy was repeated but non-diagnosis was obtained. Thus, video capsule endoscopy was indicated identifying a stenotic lesion arising in the mucosa of distal jejunum. Histopathological examination revealed a poorly mucinous differentiated signet-ring cell adenocarcinoma with an intense peri-tumoral lymphoid (Crohn´s-like lymphoid reaction) and lympho-vascular infiltration with no nodal metastases (pT3N0;7ª edition TNM classification)...
February 2017: Revista Española de Enfermedades Digestivas
https://www.readbyqxmd.com/read/28203570/multifocal-gastric-ulcers-caused-by-diffuse-large-b-cell-lymphoma-in-a-patient-with-significant-weight-loss
#14
Mark A Gromski, Jennifer L Peng, Jiehao Zhou, Howard C Masuoka, Attaya Suvannasankha, Suthat Liangpunsakul
Primary gastrointestinal (GI) lymphoma is a heterogeneous disease with varied clinical presentations. The stomach is the most common GI site and accounts for 70% to 75% of GI lymphomas. We present a patient with gastric diffuse large B cell lymphoma (DLBCL) who presented with significant weight loss, early satiety, and multifocal ulcerated gastric lesions. Esophagoduodenoscopy should be performed in patients presenting with warning symptoms as in our case. Diagnosis is usually made by endoscopic biopsies. Multiple treatment modalities including surgery, radiotherapy, and chemotherapy have been used...
October 2016: Journal of Investigative Medicine High Impact Case Reports
https://www.readbyqxmd.com/read/28190393/significance-of-cholinergic-and-peptidergic-nerves-in-stress-induced-ulcer-and-malt-lymphoma-formation
#15
Masahiko Nakamura, Anders Øverby, Akina Uehara, Masaya Oda, Shinichi Takahashi, Somay Y Murayama, Hidenori Matsui
Backgound: The role of enteric nerves has previously been demonstrated in the formation of several gastric diseases. In the present review, the significance of the cholinergic nerves in stress-induced ulcer formation as well as the importance of substance P in the formation of gastric MALT lymphoma is discussed. METHODS: The stress-induced ulcer was induced by the plaster bandage methods in rats. The gastric MALT lymphoma was formed by the peroral infection of gastric mucosal homogenate of the infected mouse in C57BL/6 mice...
February 10, 2017: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/28183161/radiotherapy-for-gastric-mucosa-associated-lymphoid-tissue-lymphoma-dosimetric-comparison-and-risk-assessment-of-solid-secondary-cancer
#16
Sun Hyun Bae, Dong Wook Kim, Mi-Sook Kim, Myung-Hee Shin, Hee Chul Park, Do Hoon Lim
Purpose: To determine the optimal radiotherapy technique for gastric mucosa-associated lymphoid tissue lymphoma (MALToma), we compared the dosimetric parameters and the risk of solid secondary cancer from scattered doses among anterior-posterior/ posterior-anterior parallel-opposed fields (AP/PA), anterior, posterior, right, and left lateral fields (4_field), 3-dimensional conformal radiotherapy (3D-CRT) using noncoplanar beams, and intensity-modulated radiotherapy composed of 7 coplanar beams (IMRT_co) and 7 coplanar and noncoplanar beams (IMRT_non)...
February 13, 2017: Radiation Oncology Journal
https://www.readbyqxmd.com/read/28179335/addition-of-rituximab-to-chemotherapy-reduced-the-rate-of-surgery-for-gastric-dlbcl-without-increasing-early-mortality
#17
Philippe Prouet, Smith Giri, Eric Wiedower, Andrew Fintel, George Yaghmour, Elena Paulus Lamb, Jeremiah Deneve, Martin Fleming, Paxton Dickson, Jason C Chandler, Mike G Martin
BACKGROUND: We evaluated surgical trends for gastric diffuse large B-cell lymphoma (gDLBCL) before and after the approval of rituximab and whether an association of early mortality existed in patients treated after approval of rituximab. PATIENTS AND METHODS: We utilized the Surveillance Epidemiology and End Results (SEER) 18 database to extract data on patients with gDLBCL diagnosed between 1983-2012. Primary site-specific cancer-directed surgery using SEER site-specific surgical codes and annual trends were analyzed...
2017: Anticancer Research
https://www.readbyqxmd.com/read/28176910/apatinib-as-post-second-line-therapy-in-egfr-wild-type-and-alk-negative-advanced-lung-adenocarcinoma
#18
Shen-Cun Fang, Hai-Tao Zhang, Ying-Ming Zhang, Wei-Ping Xie
In the absence of a driver mutation, chemotherapy is the standard treatment option as first- and second-line therapy for advanced non-small-cell lung cancer (NSCLC). Though a large number of patients are suitable for post second-line therapies, the quality and quantity of the available drugs in this setting is poor. Apatinib, a small molecule vascular endothelial growth factor receptor-2 (VEGFR-2) tyrosine kinase inhibitor, is a first-generation oral antiangiogenesis drug approved in the People's Republic of China for use as a subsequent line of treatment for advanced gastric cancer...
2017: OncoTargets and Therapy
https://www.readbyqxmd.com/read/28167693/primary-gastric-plasmacytoma-a-rare-entity
#19
Rui Caetano Oliveira, Pedro Amaro, Maria José Julião, Maria Augusta Cipriano
Extramedullary plasmacytomas (EP) are tumours composed by a monoclonal population of plasma cells that arise in extraosseus tissues, comprising <5% of all plasma cell neoplasms. Usually, EP arise in the head and neck region, and the stomach is the second most common location-gastric plasmacytoma (GP). Clinical and radiological manifestations are unspecific and may mimic other tumours like gastric adenocarcinomas, gastric stromal tumours and lymphomas, mainly marginal cell lymphoma (MALT lymphoma) and usually definitive diagnosis is provided by pathological evaluation...
February 6, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28151409/helicobacter-pylori-induced-gastric-pathology-insights-from-in-vivo-and-ex-vivo-models
#20
REVIEW
Michael D Burkitt, Carrie A Duckworth, Jonathan M Williams, D Mark Pritchard
Gastric colonization with Helicobacter pylori induces diverse human pathological conditions, including superficial gastritis, peptic ulcer disease, mucosa-associated lymphoid tissue (MALT) lymphoma, and gastric adenocarcinoma and its precursors. The treatment of these conditions often relies on the eradication of H. pylori, an intervention that is increasingly difficult to achieve and that does not prevent disease progression in some contexts. There is, therefore, a pressing need to develop new experimental models of H...
February 1, 2017: Disease Models & Mechanisms
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