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GI Diffuse Large B-Cell Lymphoma

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https://www.readbyqxmd.com/read/27501007/antiviral-therapy-improves-overall-survival-in-hepatitis-c-virus-infected-patients-who-develop-diffuse-large-b-cell-lymphoma
#1
Jeff Hosry, Parag Mahale, Francesco Turturro, Roberto N Miranda, Minas P Economides, Bruno P Granwehr, Harrys A Torres
Chronic Hepatitis C virus (HCV) infection is associated with increased incidence of non-Hodgkin lymphoma. Several studies have demonstrated regression of indolent lymphoma with antiviral therapy (AVT) alone. However, the role of AVT in HCV-infected patients with diffuse large B-cell lymphoma (DLBCL) is unclear. We therefore analyzed AVT's impact on oncologic outcomes of HCV-infected patients (cases) who developed DLBCL. Cases seen at our institution (June 2004-May 2014) were matched with uninfected counterparts (controls) and then divided according to prior AVT consisting of interferon-based regimens...
December 1, 2016: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/27439595/clinicopathological-features-of-49-primary-gastrointestinal-diffuse-large-b-cell-lymphoma-cases-comparison-with-location-cell-of-origin-and-frequency-of-myd88-l265p
#2
Keina Nagakita, Katsuyoshi Takata, Kohei Taniguchi, Tomoko Miyata-Takata, Yasuharu Sato, Akira Tari, Nobuhiko Ohnishi, Mai Noujima-Harada, Shizuma Omote, Naoya Nakamura, Masaya Iwamuro, Yoshinobu Maeda, Hiroyuki Okada, Mitsune Tanimoto, Tadashi Yoshino
The gastrointestinal (GI) tract is the most common primary site of extranodal diffuse large B-cell lymphoma (DLBCL), with approximately one-third of extranodal DLBCL occurring in the GI tract. We investigated the clinicopathological features and immunohistochemically-assessed cell-of-origin of 49 GI DLBCL cases (stomach, 24; small intestine, 10; colon, 15) and also examined the presence of MYD88 L265P as recently this mutation has been frequently identified in ABC-like DLBCL, particularly in extranodal sites...
August 2016: Pathology International
https://www.readbyqxmd.com/read/27041528/mum-1-and-bcl-2-positive-primary-diffuse-large-b-cell-non-hodgkin-s-lymphoma-of-the-colon
#3
Vladimir Jurisić, Mirjana Plećić, Natasa Colović, Vesna Čemerikić-Martinović, Marko Janković, Milica Čolović
Primary diffuse large B cell lymphoma (DLBCL) presents as a nodal and extranodal disease. The most common extranodal site is the gastrointestinal tract (GI), with the stomach most frequently involved, followed by the small bowel. Primary DLBCL of the large bowel accounts for 0.2%-1.2% of all colonic tumors. We present two patients who underwent radical resections of right colonic tumors. They were diagnosed with primary colonic DLBCL following histological and immunohistochemical testing of the excised tissues, and were determined as being in stage IIE of the disease...
April 2016: Archives of Iranian Medicine
https://www.readbyqxmd.com/read/26992397/management-of-primary-gastrointestinal-non-hodgkin-lymphomas-a-population-based-survival-analysis
#4
Evan Michael Shannon, Ian T MacQueen, Jeffrey M Miller, Melinda Maggard-Gibbons
INTRODUCTION: Primary gastrointestinal non-Hodgkin lymphomas (PGINHL) are a heterogeneous group of rare GI malignancies with limited data to guide management. This study describes management of PGINHL in a population-based registry and aims to determine the association between receipt of surgery and long-term survival. METHODS: All adults diagnosed with PGINHL over 27 years in the Surveillance, Epidemiology, and End Results were identified (excluding mucosa-associated lymphoid tissue lymphomas)...
June 2016: Journal of Gastrointestinal Surgery: Official Journal of the Society for Surgery of the Alimentary Tract
https://www.readbyqxmd.com/read/26852654/analysis-of-clinical-and-immunophenotypic-features-along-with-treatment-outcomes-of-diffuse-large-b-cell-lymphoma-patients-based-on-the-involvement-of-nodal-or-extranodal-primary-sites
#5
Cong Wang, Wei Li, Chunshui Liu, Hua He, Ou Bai
AIMS: The aim of the present study was to elucidate the clinical features, immunophenotype and treatment outcomes of diffuse large B cell lymphoma (DLBCL) patients based on the involvement of the primary site i.e. lymph node or specific extranodal sites. METHODS: We analyzed the clinical characteristics, immunophenotype and treatment outcomes of 207 DLBCL patients diagnosed in China between 2007 and 2014 based on the primary site of location. RESULTS: Based on the involvement of primary site of occurrence, DLBCL cases, were classified into different groups like, lymph node (60 cases, 28...
March 2016: Blood Cells, Molecules & Diseases
https://www.readbyqxmd.com/read/26348390/male-syrian-hamsters-experimentally-infected-with-helicobacter-spp-of-the-h-%C3%A2-bilis-cluster-develop-malt-associated-gastrointestinal-lymphomas
#6
Stephanie E Woods, Courtney Ek, Zeli Shen, Yan Feng, Zhongming Ge, Sureshkumar Muthupalani, Mark T Whary, James G Fox
BACKGROUND: Aged hamsters naturally infected with novel Helicobacter spp. classified in the H. bilis cluster develop hepatobiliary lesions and typhlocolitis. METHODS: To determine whether enterohepatic H. spp. contribute to disease, Helicobacter-free hamsters were experimentally infected with H. spp. after suppression of intestinal bacteria by tetracycline treatment of dams and pups. After antibiotic withdrawal, weanlings were gavaged with four H. bilis-like Helicobacter spp...
June 2016: Helicobacter
https://www.readbyqxmd.com/read/26303279/gastrointestinal-lymphoma-in-southwest-china-subtype-distribution-of-1-010-cases-using-the-who-2008-classification-in-a-single-institution
#7
Wenshuang Ding, Sha Zhao, Jianchao Wang, Qunpei Yang, Hong Sun, Jiaqi Yan, Limin Gao, Wenqing Yao, Wenyan Zhang, Weiping Liu
UNLABELLED: The gastrointestinal tract (GIT) is the most common anatomic site of extranodal non-Hodgkin lymphoma (NHL) involvement. The classification criteria of lymphoma have changed in recent decades, and few large-sample studies regarding subtype analysis of lymphoma have been performed in this site. AIM: Therefore, the present study was conducted to analyze the histological subtype distribution of the GIT. METHOD: All patients in a single institution with a diagnosis of primary NHL in the GIT were enrolled between January 2007 and April 2014...
2016: Acta Haematologica
https://www.readbyqxmd.com/read/26271948/localized-primary-gastrointestinal-diffuse-large-b-cell-lymphoma-received-a-surgical-approach-an-analysis-of-prognostic-factors-and-comparison-of-staging-systems-in-101-patients-from-a-single-institution
#8
COMPARATIVE STUDY
Shengting Zhang, Li Wang, Dong Yu, Yang Shen, Shu Cheng, Li Zhang, Ying Qian, Zhixiang Shen, Qinyu Li, Weili Zhao
BACKGROUND: Diffuse large B cell lymphoma (DLBCL) represents the most common histological subtype of primary gastrointestinal lymphoma and is a heterogeneous group of disease. Prognostic characterization of individual patients is an essential prerequisite for a proper risk-based therapeutic choice. METHODS: Clinical and pathological prognostic factors were identified, and predictive value of four previously described prognostic systems were assessed in 101 primary gastrointestinal DLBCL (PG-DLBCL) patients with localized disease, including Ann Arbor staging with Musshoff modification, International Prognostic Index (IPI), Lugano classification, and Paris staging system...
2015: World Journal of Surgical Oncology
https://www.readbyqxmd.com/read/26265987/rare-gastrointestinal-lymphomas-the-endoscopic-investigation
#9
REVIEW
Calogero Vetro, Giacomo Bonanno, Giorgio Giulietti, Alessandra Romano, Concetta Conticello, Annalisa Chiarenza, Paolo Spina, Francesco Coppolino, Rosario Cunsolo, Francesco Di Raimondo
Gastrointestinal lymphomas represent up to 10% of gastrointestinal malignancies and about one third of non-Hodgkin lymphomas. The most prominent histologies are mucosa-associated lymphoid tissue lymphoma and diffuse large B-cell lymphoma. However, the gastrointestinal tract can be the site of rarer lymphoma subtypes as a primary or secondary localization. Due to their rarity and the multifaceted histology, an endoscopic classification has not been validated yet. This review aims to analyze the endoscopic presentation of rare gastrointestinal lymphomas from disease diagnosis to follow-up, according to the involved site and lymphoma subtype...
August 10, 2015: World Journal of Gastrointestinal Endoscopy
https://www.readbyqxmd.com/read/26178711/ileal-mucosa-associated-lymphoid-tissue-lymphoma-presenting-with-small-bowel-obstruction-a-case-report
#10
Zoe Kinkade, Olukemi A Esan, Flavia G Rosado, Michael Craig, Jeffrey A Vos
Extranodal marginal zone lymphoma of mucosa-associated lymphoid tissue (MALT Lymphoma) of the gastrointestinal tract commonly involves the stomach in the setting of concurrent Helicobacter pylori (H. pylori) infection. Primary ileal MALT lymphoma is rare, and has not been associated with a specific infectious disease. We report a case of a 58-year-old man who presented to the emergency department with constipation and abdominal distension, and signs of an obstructing mass on computed tomography scan. A small bowel resection was performed which revealed an 8 cm saccular dilatation with thickened bowel wall and subjacent thickened tan-yellow tissue extending into the mesentery...
2015: Diagnostic Pathology
https://www.readbyqxmd.com/read/26170974/primary-rectal-lymphoma-a-case-report-and-literature-review
#11
Chunhui Jiang, Lei Gu, Meng Luo, Qing Xu, Hong Zhou
One-third of non-Hodgkin's lymphoma cases are extranodal lymphomas. The gastrointestinal tract is the most common of the extranodal sites. The incidence of primary rectal lymphoma in the gastrointestinal tract is very rare, and its clinical presentation is difficult to distinguish from that of rectal carcinoma. In the treatment of primary rectal lymphomas, surgery options have been controversial. Considering this, we report a case of primary rectal lymphoma (diffuse large B-cell lymphoma) which disappeared completely following cyclophosphamide, hydroxydaunomycin, oncovin and prednisolone chemotherapy...
July 2015: Oncology Letters
https://www.readbyqxmd.com/read/26137062/overexpression-of-dna-methyltransferase-1-as-a-negative-independent-prognostic-factor-in-primary-gastrointestinal-diffuse-large-b-cell-lymphoma-treated-with-chop-like-regimen-and-rituximab
#12
Haifeng Zhao, L E Zhang, Shanqi Guo, Tian Yuan, Bing Xia, Lianyu Zhang, Yizhuo Zhang
The aims of the present study were to elucidate the transcript levels of DNA methyltransferase (DNMT)1, DNMT3a and DNMT3b by quantitative polymerase chain reaction in patients with primary gastrointestinal diffuse large B-cell lymphoma (PGI-DLBCL), and determine the association of their expression with the clinical parameters and prognostic values of the disease. The results revealed that the expression of DNMT1 in patients with PGI-DLBCL was significantly higher than that in healthy controls (P=0.04), while the expression of DNMT3a and DNMT3b were significantly lower (P<0...
May 2015: Oncology Letters
https://www.readbyqxmd.com/read/26075990/diffuse-large-b-cell-lymphoma-of-the-cervix-with-rectal-involvement
#13
Elena Igwe, Juan Diaz, James Ferriss
•Diffuse large B cell lymphoma of the cervix is a very rare gynecologic malignancy and difficult to diagnose.•This case is the youngest reported occurrence of cervical DLBCL with interesting considerations of GI involvement and fertility.
December 2014: Gynecologic Oncology Reports
https://www.readbyqxmd.com/read/25963397/advanced-gastrointestinal-diffuse-large-b-cell-lymphoma-presenting-with-obstructive-jaundice-and-very-high-ca-19-9-level-mimicking-pancreatic-adenocarcinoma
#14
Orimisan Samuel Adekolujo, Chidozie Agu, Iqbal Shamar, David Trauber
No abstract text is available yet for this article.
March 2016: Journal of Gastrointestinal Cancer
https://www.readbyqxmd.com/read/25889516/spontaneous-perforation-of-primary-gastric-malignant-lymphoma-a-case-report-and-review-of-the-literature
#15
REVIEW
Yu Ohkura, Seigi Lee, Daisuke Kaji, Yasunori Ota, Shusuke Haruta, Yasuaki Takeji, Hisashi Shinohara, Masaki Ueno, Harushi Udagawa
BACKGROUND AND AIMS: Spontaneous gastric perforation in the absence of chemotherapy is extremely rare. The authors encountered a case of spontaneous perforation of primary gastric lymphoma. CASE PRESENTATION: A 58-year-old man visited the authors' hospital with acute severe epigastralgia. A large amount of free gas and a fluid collection around the stomach were noted on an abdominal computed tomography scan. The results of imaging studies indicated a perforated gastric ulcer, and a distal gastrectomy was performed...
2015: World Journal of Surgical Oncology
https://www.readbyqxmd.com/read/25831631/diffuse-large-b-cell-lymphoma-of-the-colon-a-rare-presentation
#16
Arpit Rao, Appalanaidu Sasapu, Shahanawaz Jiwani, Jonathan Laryea, Issam Makhoul
Patients with diffuse large B-cell lymphoma (DLBCL) can present with nodal or extra-nodal disease. The most common extra-nodal site is the gastrointestinal tract, including the stomach or illeo-cecal region. Primary colonic diffuse large B-cell lymphoma (DLBCL) is uncommon and presents a unique diagnostic and therapeutic challenge. We present a case of a middle-aged man who presented with abdominal pain and pathological weight loss and underwent hemi-colectomy for suspected adenocarcinoma. Final pathology revealed DLBCL, completely changing the prognosis and subsequent management...
March 2015: Journal of the Arkansas Medical Society
https://www.readbyqxmd.com/read/25808874/a-rare-case-of-splenic-lymphoma-in-a-patient-with-polymyositis-manifesting-as-gastric-variceal-bleeding
#17
Ravish Parekh, Sandeep Walia, Ashish Zalawadia, Yousuf Siddiqui
We report an unusual case of upper gastrointestinal bleeding due to isolated gastric variceal bleeding in a patient with splenomegaly who was subsequently diagnosed with diffuse large B-cell lymphoma. The patient is a 47-year-old male with a history of polymyositis who presented to the emergency room with complaints of lightheadedness and melena for 2 days. On initial presentation, the patient had positive orthostatic vital signs. He was found to be anemic with presenting hemoglobin of 5.8 g/dl (compared with 13...
April 2015: Clinical Journal of Gastroenterology
https://www.readbyqxmd.com/read/25795799/o7-3bet-bromodomain-brd-inhibitor-otx015-final-results-of-the-dose-finding-part-of-a-phase-i-study-in-hematologic-malignancies
#18
P Herait, H Dombret, C Thieblemont, T Facon, A Stathis, D Cunningham, A Palumbo, N Vey, M Michallet, C Recher, K Rezai, C Preudhomme
BACKGROUND: OTX015 (Oncoethix) is a small molecule that specifically binds to BRDs 2, 3 and 4, thereby inhibiting binding to acetylated histones, resulting in downregulation of several oncogenes driven by super-enhancers. The therapeutic potential of BRD inhibitors has been demonstrated in several preclinical models including hematologic malignancies. METHODS: The primary end point of this dose escalation study (3 + 3 design) was to establish the Phase 2 recommended dose (P2RD) and schedule in two independent cohorts of patients (pts) with either relapsed/refractory acute leukemia (AL) or other hematologic malignancies (OHM)...
March 2015: Annals of Oncology: Official Journal of the European Society for Medical Oncology
https://www.readbyqxmd.com/read/25778031/spontaneous-perforation-of-primary-gastric-malignant-lymphoma-a-case-report-and-review-of-the-literature
#19
Yu Ohkura, Seigi Lee, Daisuke Kaji, Yasunori Ota, Shusuke Haruta, Yasuaki Takeji, Hisashi Shinohara, Masaki Ueno, Harushi Udagawa
BACKGROUND AND AIMS: Spontaneous gastric perforation in the absence of chemotherapy is extremely rare. The authors encountered a case of spontaneous perforation of primary gastric lymphoma. CASE PRESENTATION: A 58-year-old man visited the authors' hospital with acute severe epigastralgia. A large amount of free gas and a fluid collection around the stomach were noted on an abdominal computed tomography scan. The results of imaging studies indicated a perforated gastric ulcer, and a distal gastrectomy was performed...
December 2015: World Journal of Surgical Oncology
https://www.readbyqxmd.com/read/25741152/coexpression-of-myc-and-bcl-2-predicts-prognosis-in-primary-gastrointestinal-diffuse-large-b-cell-lymphoma
#20
Bing Xia, Le Zhang, Shan-Qi Guo, Xiao-Wu Li, Fu-Lian Qu, Hai-Feng Zhao, Lian-Yu Zhang, Bao-Cun Sun, James You, Yi-Zhuo Zhang
AIM: To investigate whether MYC and BCL-2 coexpression has prognostic significance in primary gastrointestinal diffuse large B-cell lymphoma (PGI-DLBCL) patients, and explore its associations with patients' clinical parameters. METHODS: Fresh and paraffin-embedded tumor tissue samples from 60 PGI-DLBCL patients who had undergone surgery at the Tianjin Medical University Cancer Institute and Hospital from January 2005 to May 2010 were obtained, and 30 lymphoid tissue samples from reactive lymph nodes of age- and sex-matched patients represented control samples...
February 28, 2015: World Journal of Gastroenterology: WJG
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