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MALT lymphoma

Yue Yang, Long Chen, Yuan Jia, Yang Liu, Lei Wen, Yaoxian Liang, Yuan An, Shi Chen, Yin Su, Zhanguo Li
To analyze the clinical spectrum, laboratory characteristics, and outcomes of monoclonal gammopathy (MG) in patients with rheumatic diseases. Screening for the presence of MG was performed in 872 inpatients with rheumatic diseases from January 2010 to July 2017. A total of 41 patients were enrolled. Their clinical and biological features in addition to outcomes were described. For each patient with primary Sjögren syndrome (pSS), 2 age- and sex-matched pSS patients without MG were selected as controls. Risk factors for the presence of MG and malignant hematological neoplasias were assessed...
March 13, 2018: Clinical Rheumatology
Y Wu, L Zhao, Y Chai
Extranodal marginal zone B-cell lymphoma of mucosa-associated lymph tissue (MALT lymphoma) is a rare subtype of marginal zone B-cell lymphoma. Most primary MALT lymphoma occurs in the stomach, while lung is an uncommon site of MALT lymphoma. We herein report a case of MALT lymphoma in a 44-year-old female who underwent a pulmonary lobectomy and received rituximab plus CHOP chemotherapy regimen. The patient had an uneventful postoperative course and a good prognosis without tumor recurrence for 3 years.
March 2018: Nigerian Journal of Clinical Practice
Changqian Bao, Juyin Wei, Xin Zhao, Lili Lin, Donghe Chen, Kanfeng Liu, Wenbin Qian, Jhurry Muhummad Anas, Kui Zhao
INTRODUCTION: Primary hepatic mucosa-associated lymphoid tissue (MALT) lymphoma is extremely rare and we herein report a case of a patient suffering from primary hepatic MALT lymphoma with concomitant hepatitis B virus infection. DIAGNOSTIC MODALITIES AND OUTCOME: Double masses were found in a 59-year-old Chinese female patient. We reported the laboratory results, computed tomography (CT) and fluorine-18-fluorodeoxyglucose (F-FDG) positron emission tomography (PET)/CT images among other findings...
March 2018: Medicine (Baltimore)
Katsuya Sugizaki, Akira Tari, Yasuhiko Kitadai, Ichiro Oda, Shotaro Nakamura, Tadashi Yoshino, Toshiro Sugiyama
BACKGROUND: Helicobacter pylori eradication therapy was approved in Japan for the first-line, standard treatment of H. pylori-positive gastric mucosa-associated lymphoid tissue (MALT) lymphoma. Although several retrospective studies or small-scale single-center studies have been reported, a prospective, large-scale, nationwide, multicenter study has not been reported from Japan. MATERIALS AND METHODS: We conducted a prospective, nationwide, multicenter study to evaluate the clinical efficacy of rabeprazole-based triple H...
March 4, 2018: Helicobacter
Jacqueline Mupas-Uy, Yoshiyuki Kitaguchi, Yasuhiro Takahashi, Emiko Takahashi, Hirohiko Kakizaki
Purpose: To report an atypical case of cystic extranodal marginal zone B-cell lymphoma of mucosa-associated lymphoid tissue (MALT lymphoma) of lacrimal gland associated with vision loss. Observations: An 89-year-old woman was presented with a rapidly progressing proptosis, lagophthalmos, and vision loss. Endophthalmitis was also present. Computed tomography scan images showed a hyperdense mass with hypodense cystic areas occupying the superolateral orbit, which displaced the globe antero-inferiorly with optic nerve compression and stretching...
April 2017: American Journal of Ophthalmology Case Reports
Cezar I Betianu, Augustin Dima, Giorgiana Pavaloiu
Extramarginal zone lymphoma of mucosa-associated lymphoid tissue (MALT) is a non-Hodgkin lymphoma of low-grade malignancy. The most common localization is the stomach, and the common nongastric sites are salivary glands, the skin, orbits, the conjunctiva, the lung, breasts, upper airways, other gastrointestinal sites, and the liver. Primary hepatic MALT lymphoma is a rare disease and the diagnostic can be challenging. The clinical presentation is nonspecific and may range from no symptoms to end-stage liver disease...
December 2017: Radiology Case Reports
Shuang Ma, Rachel Jug, Shuai Shen, Wan-Lin Zhang, Hong-Tao Xu, Lian-He Yang
RATIONALE: The palatine tonsil is an important component of Waldeyer's ring and a site commonly involved by lymphoma. Interestingly, although it is a site of mucosa-associated lymphoid tissue (MALT), primary MALT lymphoma of the palatine tonsil is rare, especially with prominent plasmacytic differentiation. PATIENT CONCERNS: A 59-year-old woman presented to the hospital with a 1-month history of odynophagia. The patient had no fever or pruritus during this period and she declared no family history of hematolymphoid malignancy...
January 2018: Medicine (Baltimore)
Yusaku Kajihara
No abstract text is available yet for this article.
February 20, 2018: QJM: Monthly Journal of the Association of Physicians
Irene Defrancesco, Luca Arcaini
Extranodal marginal zone B-cell lymphomas (EMZLs) of the mucosa-associated lymphoid tissue (MALT) are indolent lymphomas which can present at any extranodal site. The most frequent localizations (other than stomach) are ocular adnexa, salivary gland, skin, lung and thyroid. Chronic inflammation and antigenic stimulation are a potential risk for the development of MALT lymphomas. While Helicobacter Pylori (HP) is known to be associated with gastric MALT lymphoma and antibiotic therapy is effective in the setting of HP-positive, other microorganisms (such as Chlamydophila Psittaci, Campylobacter Jejiuni, Borrelia Burgdoferi) have been implicated in the pathogenesis of non-gastric MALT lymphomas...
March 2018: Best Practice & Research. Clinical Haematology
Selma Aissi, Amina Nasri, Samia Ben Hammouda
No abstract text is available yet for this article.
March 2017: La Tunisie Médicale
Jordi Sánchez Delgado, Pilar García-Iglesias, Llúcia Titó, Ignasi Puig, Montse Planella, Emili Gené, Joan Saló, Francesc Martínez-Cerezo, Javier Molina-Infante, Javier P Gisbert, Xavier Calvet
More than 30 years after its discovery, Helicobacter pylori (H. pylori) infection remains the most common cause of gastric and duodenal diseases. H. pylori is the leading cause of chronic gastritis, peptic ulcer, gastric MALT lymphoma and gastric adenocarcinoma. Several consensuses have recently been published on the management of H. pylori infection. The general guidelines of the Spanish consensus, the Toronto Consensus and the Maastricht V Consensus of 2016 are similar but concrete recommendations can vary significantly...
February 6, 2018: Gastroenterología y Hepatología
Shasha Zhao, Lin Zhang, Zhenyang Gu, Chengying Zhu, Shu Fang, Nan Yang, Feiyan Wang, Lixun Guan, Lan Luo, Chunji Gao
Purpose: Pulmonary mucosa-associated lymphoid tissue (MALT) lymphoma is a rare entity. To date, the optimal treatment for this disease is still under debate. The aim of this study was to analyze and summarize the clinical manifestations and therapeutic experience of 18 pulmonary MALT lymphoma patients to collect information about the optimal treatment modality. Patients and methods: A retrospective analysis was performed in patients who were diagnosed with pulmonary MALT lymphoma at the Chinese People's Liberation Army General Hospital from April 1995 to April 2016...
2018: OncoTargets and Therapy
Yoshiki Nakamura, Kazumasa Yokoyama, Keiko Igaki, Noboru Tsuchimori
MALT lymphoma-translocation protein 1 (Malt1) protease activity is triggered by stimulation of various immune receptors. Activation of Malt1 protease induces cleavage of negative regulators for immune responses, resulting in lymphocytes activation. Although Malt1 protease mediates the signaling process downstream of the T cell, B cell, and dectin receptors, its contribution in Fcγ receptor (FcγR) signaling has not been elucidated. In this study, we investigated the role of Malt1 protease activity in FcγR signaling using Malt1 protease-deficient (PD) mouse...
February 2, 2018: International Immunopharmacology
Hande Celiker, Ebru Toker, Isik Kaygusuz Atagunduz
PURPOSE: Primary ocular adnexal lymphomas are cured by radiotherapy; however, complications are frequent and relapses may occur. In this case, we aimed to report the efficacy and safety of extended systemic rituximab (anti-CD 20 monoclonal antibody) therapy of conjunctival mucosa-associated lymphoid tissue (MALT) lymphoma. METHODS: In the standard regimen, rituximab is used as four consecutive weekly infusions of 375 mg/m2 in patients with low-grade lymphomas. We treated a patient who had bilateral conjunctival MALT lymphoma with rituximab 375 mg/m2 intravenously once weekly for 10 weeks as a first-line therapy...
February 6, 2018: International Ophthalmology
Sang Il Choi, Myeong-Cherl Kook, Sanghyun Hwang, Young-Il Kim, Jong Yeul Lee, Chan Gyoo Kim, Il Ju Choi, Hyewon Lee, Hyeon Seok Eom, Soo-Jeong Cho
Background/Aims: Mucosa-associated lymphoid tissue (MALT) lymphoma of the stomach is an uncommon disease. Bone marrow involvement is reported even in patients with only a mucosal lesion. We evaluated the prevalence and risk factors of marrow involvement and its implications for diagnosis and treatment. Methods: In total, 132 patients who were diagnosed with gastric MALT lymphoma at the National Cancer Center in Korea between January 2001 and December 2016 were enrolled in the study...
February 8, 2018: Gut and Liver
Alexey Glazyrin, Chirag Patel, Lara Kujtan, Sheshadri Madhusudhana
Low-grade follicular lymphomas are genetically characterized by the translocation t(14; 18)(q32;q21) with BCL2 gene rearrangements. Marginal zone lymphomas are often associated with translocations or transcriptional deregulations of the MALT gene. We report 2 cases of lymphomas which harbor both the t(14;18)(q32;q21) translocation and MALT gene upregulation. Patients presented with numerous circulating atypical lymphocytes. Lymph node biopsy in both cases on HE staining demonstrated vague nodularity readily highlighted by CD10, CD23, or BCL6...
February 6, 2018: Acta Haematologica
Abdollah Jafarzadeh, Tiziana Larussa, Maryam Nemati, Shila Jalapour
Helicobacter pylori (H. pylori) is one of the most prevalent human pathogen and a persistent infection with this bacterium causes common pathologies, such as gastritis or peptic ulcers, and also less common but more serious pathologies, such as gastric cancer or gastric mucosa-associated lymphoid tissue (MALT) lymphoma. The clinical outcome of gastrointestinal infection sustained by H. pylori is determined by the reciprocal interactions between virulence factors of the bacterium and host factors, including immune response genes...
January 30, 2018: Microbial Pathogenesis
Yan Song, Kui Jiang, Shuai Su, Bangmao Wang, Guangxia Chen
The current study aimed to summarize the clinical manifestations and identify the epigenetic mechanisms of gastric mucosa associated lymphoid tissue (MALT) lymphoma, as well as evaluate the long-term effects of Helicobacter pylori (H. pylori) eradication. A total of 122 patients with marginal zone B-cell lymphoma of primary gastric MALT lymphoma were enrolled in the present study. The clinical manifestations of gastric MALT lymphoma, including symptoms, H. pylori state and endoscopic type, were summarized. The response to therapy was evaluated in patients that underwent H...
January 2018: Experimental and Therapeutic Medicine
Peter W Johnson, Catherine Thieblemont, Emanuele Zucca
No abstract text is available yet for this article.
December 29, 2017: Oncotarget
Rongrong Dong, Jiali Ji, Hong Liu, Jue Wang, Xuexin He
RATIONALE: Mucosa-associated lymphoid tissue (MALT) lymphoma is an indolent B-cell lymphoma which occurs mainly in the organs having mucosal layer and owns a fairly good prognosis. To date, 7 cases of spinal primary MALT has been reported before. However, there is no consensus on the optimal adjuvant treatment modalities for primary spinal MALT. The aim of this study was to add a new case of MALT which responded well to systemic therapy to the literature and to review the current literature...
January 2018: Medicine (Baltimore)
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