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MALT lymphoma

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https://www.readbyqxmd.com/read/28645165/malt-lymphoma-of-the-conjunctiva
#1
Issam Lalya, Hamid Mansouri
No abstract text is available yet for this article.
June 22, 2017: QJM: Monthly Journal of the Association of Physicians
https://www.readbyqxmd.com/read/28644136/chemotherapy-alone-is-an-alternative-treatment-in-treating-localized-primary-ocular-adnexal-lymphomas
#2
Wei-Li Ma, Ming Yao, Shu-Lang Liao, Jih-Luh Tang, Yao-Ching Wang, Sung-Hsin Kuo, Ann-Lii Cheng
This study investigated the treatment efficacy and long-term adverse effects of various treatment modalities for primary ocular adnexal lymphomas (POALs). We retrospectively reviewed 107 patients who received first-line chemotherapy, radiotherapy, and other treatment modalities from 1990 to 2015. Nighty-three (87%) patients were diagnosed with mucosa-associated lymphoid tissue (MALT) lymphoma, with the orbit being the most common site (49 patients, 46%). Among 91 patients with stage I-IIE1 disease, 26 underwent chemotherapy, 34 underwent radiotherapy, and 31 received other treatment modalities...
June 15, 2017: Oncotarget
https://www.readbyqxmd.com/read/28637939/surgery-of-thymic-tumor-with-persistent-left-superior-vena-cava
#3
Masahiro Yanagiya, Jun Matsumoto, Hirotsugu Hashimoto, Yoshio Suzuki, Hajime Horiuchi
Because a persistent left superior vena cava (PLSVC) is a rare congenital malformation in the thoracic venous system, surgery of the thymus in such patients has rarely been reported. We herein present a case involving a 68-year-old woman who was treated for a thymic tumor adhering to a PLSVC. She underwent complete resection of the thymic tumor through median sternotomy with left-sided video-assisted thoracic surgery. Although the tumor was close to the left phrenic nerve, this nerve was safely preserved. The pathological diagnosis was mucosa-associated lymphoid tissue (MALT) lymphoma of the thymus...
June 22, 2017: Annals of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28626260/a-case-of-api2-malt1-positive-gastric-malt-lymphoma-with-concomitant-diffuse-large-b-cell-lymphoma
#4
Akashi Fujita, Masahiro Tajika, Tsutomu Tanaka, Makoto Ishihara, Yutaka Hirayama, Nobumasa Mizuno, Kazuo Hara, Susumu Hijioka, Hiroshi Imaoka, Tsukasa Yoshida, Nozomi Okuno, Nobuhiro Hieda, Takashi Hirayama, Hitoshi Shibuya, Hisashi Kondo, Hirotaka Suzuki, Kazuhiro Toriyama, Yasushi Yatabe, Kenji Yamao, Yasumasa Niwa
API2-MALT1 translocation-positive gastric marginal zone lymphomas of mucosa-associated lymphoid tissue (MALT) lymphoma is thought to transform to diffuse large B-cell lymphoma (DLBCL) rarely. A 69-year-old man presented with epigastralgia. Esophagogastroduodenoscopy showed multiple ulcerations in the stomach. Endoscopic biopsies revealed MALT lymphoma, with Helicobacter pylori infection. The patient underwent eradication therapy with no improvement, and was thereafter followed without additional therapy at his request...
February 2017: Nagoya Journal of Medical Science
https://www.readbyqxmd.com/read/28616085/helicobacter-pylori-infection-old-and-new
#5
REVIEW
S Diaconu, A Predescu, A Moldoveanu, C S Pop, C Fierbințeanu-Braticevici
Helicobacter pylori is a spiral-shaped bacterium that grows in the digestive tract and may be present in more than half of the world's population. The clinical features of Helicobacter pylori range from asymptomatic gastritis to gastrointestinal malignancy. Mucosa-associated lymphoid tissue (MALT) lymphoma is a low-grade B-cell marginal zone lymphoma and Helicobacter pylori has been detected in more than 75% of the patients with MALT lymphoma. Many tests for the detection of Helicobacter pylori are available, including antibody tests, urea breath tests, stool antigen tests and endoscopic biopsies...
April 2017: Journal of Medicine and Life
https://www.readbyqxmd.com/read/28609772/lymphoproliferative-disorders-of-the-lung
#6
Raphaël Borie, Marie Wislez, Martine Antoine, Jacques Cadranel
This review aims to describe some of the most frequent lymphoproliferative disorders arising from the lung: pulmonary mucosa-associated lymphoid tissue (MALT) lymphoma, lymphomatoid granulomatosis (LG), multicentric Castleman disease (MCD), primary effusion lymphoma (PEL), and nodular lymphoid hyperplasia (NLH). Primary pulmonary lymphoma is defined as a clonal lymphoproliferative disorder affecting one or both lungs, without extrapulmonary involvement 3 months after diagnosis, and includes pulmonary MALT lymphoma and LG...
June 14, 2017: Respiration; International Review of Thoracic Diseases
https://www.readbyqxmd.com/read/28591035/a-case-report-of-lymphoid-intestitial-pneumonia-in-common-variable-immunodeficiency-oligoclonal-expansion-of-effector-lymphocytes-with-preferential-cytomegalovirus-specific-immune-response-and-lymphoproliferative-disease-promotion
#7
Przemyslaw Zdziarski, Andrzej Gamian, Grzegorz Dworacki
RATIONALE: Lymphoid interstitial pneumonia (LIP) is a rare disease with lymphocytic infiltration of the alveolar interstitial and air spaces, sometimes classified as a clonal lymphoproliferative disease (LPD) with high prevalence in patients with immunodysregulation. Although association of mucosa-associated lymphoid tissue (MALT) lymphoma development with infectious agents has been well described, it is not so in the case of LIP. Attempts to demonstrate an infective cause by direct microbe detection have failed, but association with atypical specific immune response to opportunistic infectious agent has not been studied...
June 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28588876/increased-risk-for-metachronous-gastric-adenocarcinoma-following-gastric-malt-lymphoma-a-us-population-based-study
#8
Carolina Palmela, Cristina Fonseca, Rita Faria, Rute Baeta Baptista, Sofia Ribeiro, Alexandre Oliveira Ferreira
BACKGROUND: Gastric mucosa-associated lymphoid tissue lymphoma (gMALT) and gastric adenocarcinoma (GC) are long-term complications of chronic Helicobacter pylori (HP) gastritis. Treatment of HP infection induces remission in most patients with gMALT. Endoscopic follow-up is not currently endorsed after complete remission. However, the risk of GC in these patients is unclear. OBJECTIVE: The objective of this study is to estimate GC risk in gMALT patients. METHODS: The National Cancer Institute Surveillance, Epidemiology and End Results 13 (SEER) database-Nov 2014 Sub (1992-2012) was used to identify adult patients diagnosed with gMALT between 1992 and 2012...
June 2017: United European Gastroenterology Journal
https://www.readbyqxmd.com/read/28576278/spectroscopic-characterization-and-fluorescence-imaging-of-helicobacter-pylori-endogenous-porphyrins
#9
Antonella Battisti, Paola Morici, Francesco Ghetti, Antonella Sgarbossa
Conventional antimicrobial strategies have become increasingly ineffective due to the rapid emergence of antibiotic resistance among pathogenic bacteria. In order to overcome this problem, antimicrobial PhotoDynamic Therapy (PDT) is considered a promising alternative therapy. PDT has a broad spectrum of action and low mutagenic potential. It is particularly effective when microorganisms present endogenous photosensitizing pigments. Helicobacter pylori (Hp), a pathogen notoriously responsible of severe gastric infections (chronic gastritis, peptic ulcer, MALT lymphoma and gastric adenocarcinoma), produces and accumulates the photosensitizers protoporphyrin IX and coproporphyrin, thus it might be a suitable target of antimicrobial PDT...
May 26, 2017: Biophysical Chemistry
https://www.readbyqxmd.com/read/28560185/deregulation-of-micrornas-in-gastric-lymphomagenesis-induced-in-the-d3tx-mouse-model-of-helicobacter-pylori-infection
#10
Pauline Floch, Caroline Capdevielle, Cathy Staedel, Julien Izotte, Elodie Sifré, Amandine M Laur, Alban Giese, Victoria Korolik, Pierre Dubus, Francis Mégraud, Philippe Lehours
Helicobacter pylori infection is considered as an excellent model of chronic inflammation-induced tumor development. Our project focuses on gastric MALT lymphoma (GML) related to H. pylori infection and mediated by the chronic inflammatory process initiated by the infection. Recently, microRNAs (miRNAs) have emerged as a new class of gene regulators, which play key roles in inflammation and carcinogenesis acting as oncogenes or tumor suppressors. Their precise characterization in the development of inflammation and their contribution in regulating host cells responses to infection by H...
2017: Frontiers in Cellular and Infection Microbiology
https://www.readbyqxmd.com/read/28551602/primary-mucosa-associated-lymphoid-tissue-malt-lymphoma-of-the-gallbladder-and-review-of-the-literature
#11
Munenori Honda, Yoki Furuta, Hideaki Naoe, Yutaka Sasaki
Mucosa-associated lymphoid tissue (MALT) lymphoma is rarely observed in the gallbladder, and its diagnosis before surgery is difficult. This report describes a case of primary MALT lymphoma of the gallbladder in an 80-year-old man. Imaging studies revealed a protruding lesion on the inside of the gallbladder, which led us to diagnose gallbladder carcinoma prior to the patient undergoing extended cholecystectomy. Microscopic examination of the resected specimen of the gallbladder demonstrated lymphoid follicles with atypical lymphocytes and the formation of lymphoepithelial lesions...
May 27, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28546924/the-expressions-of-metadherin-and-lef-1-in-mucosa-associated-lymphoid-tissue-lymphoma-of-ocular-adnexal
#12
Dan Qi, Hong Lin, Yan Gao, Jing Lin, Li-Ting Hu, Gui-Qiu Zhao
AIM: To investigate the expressions of metadherin (astrocyte elevated gene-1, AEG-1) and lymphoid enhancer-binding factor-1 (LEF-1) in ocular adnexal mucosa-associated lymphoid tissue (MALT) lymphoma. METHODS: The expressions of AEG-1 and LEF-1 were detected on specimens harvested from patients suffering from MALT lymphoma and lymphadenosis of ocular adnexal in Ophthalmology Department, Affiliated Hospital of Qingdao University from 2000 to 2015 by immunohistochemical and polymerase chain reaction (PCR) analysis...
2017: International Journal of Ophthalmology
https://www.readbyqxmd.com/read/28541247/lymphoid-tissue-neoplasms-in-the-neck-region-epidemiological-and-clinical-analysis-over-15-years
#13
Anna Rzepakowska, Klaudyna Zwierzyńska, Ewa Osuch-Wójcikiewicz, Kazimierz Niemczyk
AIM: Epidemiological and clinical analysis of lymphoid tissue neoplasms in the neck region over a 15-year period. MATERIAL: There was performed retrospective analysis of 97 patients, aged 17 to 88 years, mean age of 60.3 years. The analysis included data from subjective study, physical examination, image and histopathological studies Results: Almost all cases were lymphoid neoplasms - 95 patients (98%). B cell lymphoma was the most commonly diagnosed lymphoma - 74 cases (76%), followed by Hodgkin's lymphoma- 19 cases (20%)...
June 30, 2017: Otolaryngologia Polska
https://www.readbyqxmd.com/read/28531095/synthesis-of-1-2-3-triazolo-4-5-h-quinolone-derivatives-with-novel-anti-microbial-properties-against-metronidazole-resistant-helicobacter-pylori
#14
Mohammad Abu-Sini, Amal Mayyas, Nehaya Al-Karablieh, Rula Darwish, Yusuf Al-Hiari, Talal Aburjai, Shereen Arabiyat, Luay Abu-Qatouseh
Helicobacter pylori infection can lead to gastritis, peptic ulcer, and the development of mucosa associated lymphoid tissue (MALT) lymphoma. Treatment and eradication of H. pylori infection can prevent relapse and accelerate the healing of gastric and duodenal ulcers as well as regression of malignancy. Due to the increasing emergence of antibiotic resistance among clinical isolates of H. pylori, alternative approaches using newly discovered antimicrobial agents in combination with the standard antibiotic regimens for the treatment of H...
May 20, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28523650/ubiquitin-specific-peptidase-5-mediates-histidine-rich-protein-hpn-induced-cell-apoptosis-in-hepatocellular-carcinoma-through-p14-p53-signaling
#15
Yi Liu, Wei-Mao Wang, Li-Yi Zou, Li Li, Lu Feng, Ming-Zhu Pan, Min-Yi Lv, Ying Cao, Hua Wang, Hsiang-Fu Kung, Jian-Xin Pang, Wei-Ming Fu, Jin-Fang Zhang
Hpn is a small histidine-rich cytoplasmic protein from Helicobacter pylori and has been recognized as a high-risk factor for several cancers including gastric cancer, colorectal cancer, and MALT lymphoma. However, the relationship between Hpn and cancers remains elusive. In this study, we discovered that Hpn protein effectively suppressed cell growth and induced apoptosis in hepatocellular carcinoma (HCC). A two-dimensional gel electrophoresis and mass spectrometry-based comparative proteomics was performed to find the molecular targets of Hpn in HCC cells...
May 18, 2017: Proteomics
https://www.readbyqxmd.com/read/28521466/extranodal-marginal-zone-lymphoma-of-the-uterine-cervix-with-concomitant-copy-number-gains-of-the-malt1-and-bcl2-genes-a-case-report
#16
Tomoko Takimoto, Saori Maegawa, Hiroshi Tatsumi, Hisao Nagoshi, Yoshiaki Chinen, Yuji Shimura, Tsutomu Kobayashi, Shigeo Horiike, Shigeo Nakamura, Jo Kitawaki, Junya Kuroda, Masafumi Taniwaki
Extranodal marginal zone lymphoma (EMZL) of mucosa-associated lymphoid tissue (MALT) of the uterus is rare, and the etiology, pathophysiology and cytogenetic features remain unknown at present. The present study reports a case of a 71-year-old female with EMZL of the uterine cervix that was 80 mm in diameter and invaded directly into the rectal serosa. Complete remission was successfully induced by 6 courses of immunochemotherapy with rituximab plus cyclophosphamide, doxorubicin, vincristine and prednisolone...
May 2017: Oncology Letters
https://www.readbyqxmd.com/read/28512564/infections-and-follicular-lymphoma-is-there-a-link
#17
REVIEW
Francesco Zallio, Giulia Limberti, Marco Ladetto
Several infectious agents appear to provide a proliferative signal -- "antigen-drive" - that could be implicated in the pathogenesis of various type of Non-Hodgkin Lymphoma (NHL). A classical model of the infection-driven lymphoproliferative disorder is Helicobacter pylori-induced gastric MALT lymphoma, where antibiotic therapy allows the eradication of both the infectious agent and the clonal B-cell expansion. Following the footsteps of this example, several retrospective studies have found a correlation with other pathogens and B-cell Lymphomas, adding new relevant information about pathogenesis and laying the groundwork for chemotherapy-free treatments...
2017: Mediterranean Journal of Hematology and Infectious Diseases
https://www.readbyqxmd.com/read/28511490/primary-orbital-follicular-lymphoma-a-case-report-and-review
#18
G Lakshmi Prasad, Ajay Hegde, Girish Menon, Mary Mathew
Orbital Lymphomas (OL) constitute a heterogeneous group of lymphoproliferative disorders of the orbit. They are predominantly of the Mucosa-Associated Lymphoid Tissue (MALT) subtype. Radiotherapy is the mainstay of treatment in localized orbital tumours, while chemotherapy is reserved for systemic disease. Authors report a case of a primary orbital lymphoma of follicular subtype (stage 1E) in a 54-year-old female managed by surgery and adjuvant radiotherapy.
March 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28503820/the-p2x7-receptor-nlrp3-inflammasome-complex-predicts-the-development-of-non-hodgkin-s-lymphoma-in-sjogren-s-syndrome-a-prospective-observational-single-centre-study
#19
C Baldini, E Santini, C Rossi, V Donati, A Solini
BACKGROUND: P2X7 receptor (P2X7R), trigger of acute inflammatory responses via the NLRP3 inflammasome, is hyperfunctioning in patients with Sjögren's syndrome (SS), where it stimulates IL-18 production. Some patients with SS develop a mucosa-associated lymphoid tissue non-Hodgkin's lymphoma (MALT-NHL). OBJECTIVES: To prospectively evaluate the involvement and the putative prognostic role of this inflammatory pathway in the development of MALT-NHL. METHODS: A total of 147 women with SS have been prospectively followed for a mean of 52 months, relating the expression and function of the P2X7R-inflammasome axis in salivary glands and circulating lymphomonocytes to the prognosis and the degree of the disease...
May 15, 2017: Journal of Internal Medicine
https://www.readbyqxmd.com/read/28502938/successful-treatment-of-catastrophic-antiphospholipid-antibody-syndrome-associated-with-malt-lymphoma-by-autologous-hematopoietic-stem-cell-transplantation
#20
Satoko Oka, Kazuo Ono, Masaharu Nohgawa
A 37-year-old woman with extranodal marginal-zone lymphoma was admitted with a fever, hemiplegia, and severe dyspnea after chemotherapy. Catastrophic antiphospholipid antibody syndrome (CAPS) was suspected based on the histopathological confirmation of small-pulmonary vessel occlusion, evidence of the involvement of three organs, and elevated lupus anticoagulant assay results in a short time span. The patient responded to the initial treatment. One month later, the CAPS and lymphoma relapsed, and the patient underwent autologous hematopoietic stem cell transplantation...
2017: Internal Medicine
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