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Nodal marginal zone B-cell lymphoma

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https://www.readbyqxmd.com/read/29222281/improved-biological-insight-and-influence-on-management-in-indolent-lymphoma-talk-3-update-on-nodal-and-splenic-marginal-zone-lymphoma
#1
REVIEW
Catherine Thieblemont
Splenic marginal zone lymphoma (SMZL) and nodal marginal zone lymphoma (NMZL) are rare indolent chronic B-cell lymphomas. Prognosis is typically good with median survival around 10-15 years. Management is generally based on the presence of symptoms or high tumor burden. There are no standard treatments for these 2 entities, and therapeutic strategies are rapidly evolving. Clinical developments for these 2 entities are oriented by genomic studies, with largely overlapping mutational profiles involving the NOTCH, B-cell receptor (BcR) and nuclear factor κB (NF-κB) signaling, chromatin remodeling, and the cytoskeleton...
December 8, 2017: Hematology—the Education Program of the American Society of Hematology
https://www.readbyqxmd.com/read/29205839/canine-nodal-marginal-zone-lymphoma-descriptive-insight-into-the-biological-behaviour
#2
M Cozzi, L Marconato, V Martini, L Aresu, F Riondato, F Rossi, D Stefanello, S Comazzi
Canine nodal marginal zone lymphoma (nMZL) is classified as an indolent lymphoma. Such lymphomas are typified by low mitotic rate and slow clinical progression. While the clinical behaviour of canine splenic MZL has been described, characterized by an indolent course and a good prognosis following splenectomy, there are no studies specifically describing nMZL. The aim of this study was to describe the clinical features of and outcome for canine nMZL. Dogs with histologically confirmed nMZL undergoing a complete staging work-up (including blood analysis, flow cytometry [FC] on lymph node [LN], peripheral blood and bone marrow, imaging, histology and immunohistochemistry on a surgically removed peripheral LN) were retrospectively enrolled...
December 4, 2017: Veterinary and Comparative Oncology
https://www.readbyqxmd.com/read/29178090/-treatment-of-primary-gastric-lymphoma
#3
Yi Xia, Zhiwei Zhou
Stomach is the most common location of lymphoma in digestive tract, accounting for 50%-60% of gastrointestinal lymphomas. The most common histological types are low malignant mucosa-associated lymphoid tissue (MALT) lymphoma from non-Hodgkin lymphoma (NHL) and diffuse large B-cell and marginal zone B-cell lymphoma (DLBCL) from NHL. Chronic gastritis secondary to Helicobacter pylori(HP) infection has been considered a major predisposing factor for MALT lymphoma. At present, the most widely accepted initial therapy for localized disease is aimed at the eradication of HP using regimens combining antibiotics and proton-pump inhibitors...
November 25, 2017: Zhonghua Wei Chang Wai Ke za Zhi, Chinese Journal of Gastrointestinal Surgery
https://www.readbyqxmd.com/read/29112013/cancer-therapy-associated-lymphoproliferative-disorders-an-under-recognized-type-of-immunodeficiency-associated-lymphoproliferative-disorder
#4
Sergio Pina-Oviedo, Roberto N Miranda, L Jeffrey Medeiros
We describe the clinicopathologic features of 17 patients who had a hematologic malignancy of various types, were treated, and subsequently developed a lymphoproliferative disorder (LPD). There were 10 men and 7 women with a median age of 59 years (range, 36 to 83 y). The primary hematologic neoplasms included: 5 chronic lymphocytic leukemia/small lymphocytic lymphoma, 3 plasma cell myeloma, 2 acute monoblastic leukemia, and 1 case each of mixed-phenotype acute leukemia, chronic myeloid leukemia, splenic marginal zone lymphoma, follicular lymphoma, mantle cell lymphoma, T-cell prolymphocytic leukemia, and peripheral T-cell lymphoma...
November 3, 2017: American Journal of Surgical Pathology
https://www.readbyqxmd.com/read/29100365/the-value-of-detecting-immunoglobulin-gene-rearrangements-in-the-diagnosis-of-b-cell-lymphoma
#5
Can Lu, QiuYan He, Wei Zhu, ChunYan Fu, JianHua Zhou, YongGuang Tao, Shuang Liu, DeSheng Xiao
Objective: To discuss the clinical value of immunoglobulin gene rearrangements in the diagnosis of B-cell lymphoma. Methods: A total of 209 cases of B-cell lymphomas and 35 cases of reactive lymphoid hyperplasia were selected for DNA extraction and PCR amplification using the BIOMED-2 primer system. Gel electrophoresis of heteroduplexes was used to analyze immunoglobulin gene rearrangements. Results: A total of 209 cases of B-cell lymphoma, including 69 extranodal marginal zone B-cell lymphomas of mucosa-associated lymphoid tissue, 63 diffuse large B-cell lymphomas, 39 follicular lymphomas, 15 small lymphocytic lymphomas, 6 plasmacytomas, 6 mantle cell lymphomas, 7 nodal marginal zone B-cell lymphomas, and 4 lymphoplasmacytoid lymphomas, were examined...
September 29, 2017: Oncotarget
https://www.readbyqxmd.com/read/28766120/-treatment-of-indolent-cutaneous-b%C3%A2-cell-lymphoma
#6
REVIEW
M Wobser
Primary cutaneous B‑cell lymphomas are rarely encountered and represent 25% of all cutaneous lymphomas. Follicular B‑cell lymphoma and marginal zone lymphoma belong to indolent subtypes which as a rule have no systemic dissemination and, thus, a mostly unchanged life expectancy. Therefore, skin-directed treatment options such as excision or radiotherapy are usually sufficient to control the disease. In contrast, cutaneous diffuse large B‑cell lymphoma and EBV-associated B‑cell lymphomas of the skin belong to more aggressive entities which demand a systemic first-line upfront therapy with R‑CHOP...
September 2017: Der Hautarzt; Zeitschrift Für Dermatologie, Venerologie, und Verwandte Gebiete
https://www.readbyqxmd.com/read/28664939/clinical-utility-of-recently-identified-diagnostic-prognostic-and-predictive-molecular-biomarkers-in-mature-b-cell-neoplasms
#7
REVIEW
Arantza Onaindia, L Jeffrey Medeiros, Keyur P Patel
Genomic profiling studies have provided new insights into the pathogenesis of mature B-cell neoplasms and have identified markers with prognostic impact. Recurrent mutations in tumor-suppressor genes (TP53, BIRC3, ATM), and common signaling pathways, such as the B-cell receptor (CD79A, CD79B, CARD11, TCF3, ID3), Toll-like receptor (MYD88), NOTCH (NOTCH1/2), nuclear factor-κB, and mitogen activated kinase signaling, have been identified in B-cell neoplasms. Chronic lymphocytic leukemia/small lymphocytic lymphoma, diffuse large B-cell lymphoma, follicular lymphoma, mantle cell lymphoma, Burkitt lymphoma, Waldenström macroglobulinemia, hairy cell leukemia, and marginal zone lymphomas of splenic, nodal, and extranodal types represent examples of B-cell neoplasms in which novel molecular biomarkers have been discovered in recent years...
October 2017: Modern Pathology: An Official Journal of the United States and Canadian Academy of Pathology, Inc
https://www.readbyqxmd.com/read/28594133/diagnostic-value-of-stmn1-lmo2-hgal-aid-expression-and-1p36-chromosomal-abnormalities-in-primary-cutaneous-b-cell-lymphomas
#8
Evelyne Verdanet, Olivier Dereure, Céline René, Ariane Tempier, Assia Benammar-Hafidi, Mathieu Gallo, Eric Frouin, Luc Durand, Isabelle Gazagne, Valérie Costes-Martineau, Valère Cacheux, Vanessa Szablewski
AIMS: Distinction between primary cutaneous follicular lymphoma (PCFL) and primary cutaneous marginal zone lymphoma (PCMZL) is challenging, as clear-cut immunophenotypical and cytogenetic criteria to segregate both entities are lacking. METHODS AND RESULTS: To characterize PCFL and PCMZL more clearly and to define criteria helpful for the differential diagnosis, we compared expression of immunohistochemical markers [LIM-only transcription factor 2 (LMO2), human germinal centre-associated lymphoma (HGAL), stathmin 1 (STMN1), activation-induced cytidine deaminase (AID), myeloid cell nuclear differentiation antigen (MNDA)] and the presence of cytogenetic abnormalities described previously in nodal follicular lymphoma [B cell lymphoma 2 (BCL2) and BCL6 breaks, 1p36 chromosomal region deletion (del 1p36)] in a series of 48 cutaneous follicular and marginal zone lymphomas [cutaneous follicular lymphoma (CFL) and cutaneous marginal zone lymphoma (CMZL)]...
June 8, 2017: Histopathology
https://www.readbyqxmd.com/read/28424097/unusual-course-of-generalized-lymph-node-primary-plasmacytoma-in-a-patient-with-sj%C3%A3-gren-s-syndrome-a-case-report
#9
Vadim R Gorodetskiy, Natalya A Probatova, Vladimir I Vasilyev
BACKGROUND: Primary lymph node plasmacytoma is a rare disease that typically involves lymph nodes of the neck. In only 15% of cases is the disease generalized. Here, we present a case of generalized lymph node plasmacytoma in a patient with Sjögren's syndrome with an unusual course. CASE PRESENTATION: A 48-year-old white woman presented to our hospital with enlargement of groups of lymph nodes, liver, and spleen. Her medical history was consistent with a 12-year course of Sjögren's syndrome...
April 20, 2017: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/28395108/b-cell-and-classical-hodgkin-lymphomas-associated-with-immunodeficiency-2015-sh-eahp-workshop-report-part-2
#10
Daphne de Jong, Margaretha G M Roemer, John K C Chan, John Goodlad, Dita Gratzinger, Amy Chadburn, Elaine S Jaffe, Jonathan Said, Yasodha Natkunam
Objectives: The 2015 Workshop of the Society for Hematopathology/European Association for Haematopathology submitted small and large B-cell lymphomas (BCLs), including classical Hodgkin lymphoma (CHL), in the context of immunodeficiency. Methods: Clinicopathologic and molecular features were studied to explore unifying concepts in malignant B-cell proliferations across immunodeficiency settings. Results: Cases submitted to the workshop spanned small BCLs presenting as nodal or extranodal marginal zone lymphoma and lymphoplasmacytic lymphoma, Epstein-Barr virus (EBV) positive in 75% of cases...
February 1, 2017: American Journal of Clinical Pathology
https://www.readbyqxmd.com/read/28289662/mucosa-associated-lymphoid-tissue-lymphoma-of-the-cecum-and-rectum-a-case-report
#11
Myung Jin Nam, Byung Chang Kim, Sung Chan Park, Chang Won Hong, Kyung Su Han, Dae Kyung Sohn, Weon Seo Park, Hee Jin Chang, Jae Hwan Oh
A colonic mucosa-associated lymphoid-tissue (MALT) lymphoma is relatively rare compared to lymphomas of the stomach or small intestine. We present a case of a MALT lymphoma in the cecum and rectum found during screening colonoscopy. A 54-year-old female, who had undergone right-breast-conserving surgery with axillary dissection due to an invasive ductal carcinoma and a left-breast excisional biopsy due to microcalcification following adjuvant chemoradiation therapy 3 years earlier, was found to have 3-mm-sized smooth elevated lesions in both the cecum and rectum...
February 2017: Annals of Coloproctology
https://www.readbyqxmd.com/read/28288722/nodal-marginal-zone-lymphoma-clinical-features-diagnosis-management-and-treatment
#12
REVIEW
Tamar Tadmor, Aaron Polliack
Nodular marginal zone lymphoma (NMZL) is a small B-cell lymphoma involving only lymph nodes and is the least common form of MZL constituting about 10% of cases. Patients usually present with advanced disease which must be distinguished from extranodal MZL with lymph node spread. NMZL shares cytological and immunophenotypic features with MALT and splenic MZL, but has a less favorable prognosis than these two categories. It occurs mostly in adults and pediatric cases are rare. Different therapeutic approaches have been used in NMZL, but because of the small patient numbers involved, more definitive treatment is still anticipated...
March 2017: Best Practice & Research. Clinical Haematology
https://www.readbyqxmd.com/read/28288719/marginal-zone-lymphoma-associated-autoimmunity-and-auto-immune-disorders
#13
REVIEW
Larissa Sena Teixeira Mendes, Andrew Wotherspoon
Large epidemiological studies have shown a consistent increased risk for developing lymphoma in the setting of autoimmune disorders (AID). It is known that this link appears to be stronger for some AID and certain non-Hodgkin lymphoma subtypes e.g. Sjögren's syndrome and extra-nodal marginal zone lymphoma of the salivary gland, and thyroid MALT lymphoma in a background of Hashimoto's thyroiditis. B and T-cell hyperactivity due to chronic antigenic stimulation and the consequent presence of acquired lymphoid tissue seems to play a key role in the pathogenesis of AI-related lymphomas...
March 2017: Best Practice & Research. Clinical Haematology
https://www.readbyqxmd.com/read/28288717/pathology-of-nodal-marginal-zone-lymphomas
#14
REVIEW
Stefano Pileri, Maurilio Ponzoni
Nodal marginal zone B cell lymphomas (NMZLs) are a rare group of lymphoid disorders part of the spectrum of marginal zone B-cell lymphomas, which encompass splenic marginal one B-cell lymphoma (SMZL) and extra nodal marginal zone of B-cell lymphoma (EMZL), often of MALT-type. Two clinicopathological forms of NMZL are recognized: adult-type and pediatric-type, respectively. NMZLs show overlapping features with other types of MZ, but distinctive features as well. In this review, we will focus on the salient distinguishing features of NMZL mostly under morphological/immunophenotypical/molecular perspectives in views of the recent acquisitions and forthcoming updated 2016 WHO classification of lymphoid malignancies...
March 2017: Best Practice & Research. Clinical Haematology
https://www.readbyqxmd.com/read/28288716/molecular-pathogenesis-of-splenic-and-nodal-marginal-zone-lymphoma
#15
REVIEW
Valeria Spina, Davide Rossi
Genomic studies have improved our understanding of the biological basis of splenic (SMZL) and nodal (NMZL) marginal zone lymphoma by providing a comprehensive and unbiased view of the genes/pathways that are deregulated in these diseases. Consistent with the physiological involvement of NOTCH, NF-κB, B-cell receptor and toll-like receptor signaling in mature B-cells differentiation into the marginal zone B-cells, many oncogenic mutations of genes involved in these pathways have been identified in SMZL and NMZL...
March 2017: Best Practice & Research. Clinical Haematology
https://www.readbyqxmd.com/read/28284742/local-disease-control-in-ocular-adnexal-lymphoproliferative-disorders-comparative-outcomes-of-malt-versus-non-malt-histologies
#16
Binod Dhakal, Timothy S Fenske, Sridevi Ramalingam, Jamie Shuff, Narendranath Epperla, Paul Hosking, Lisa Rein, Anjisnu Banerjee, Parameswaran Hari, Anita D'Souza, Nirav Shah, Malika Siker, Gregory J Griepentrog, Gerald J Harris, Timothy S Wells, Beth A Erickson, Mehdi Hamadani
INTRODUCTION: Ocular adnexal lymphoproliferative disorders (OALDs) are almost exclusively of B-cell origin, with the majority being extra-nodal marginal zone lymphomas of mucosa-associated lymphoid tissue (MALT). The comparative efficacy of involved field radiation therapy (IFRT) in MALT vs. non-MALT OALDs is not known. MATERIALS AND METHODS: We present a single-center, large cohort, retrospective study of the efficacy of IFRT in OALDs. Failure-free survival (FFS), complete remission, and local, regional, and distant failure were determined for 112 patients with MALT OALDs (n = 71) and non-MALT OALDs (n = 41) cohorts...
May 2017: Clinical Lymphoma, Myeloma & Leukemia
https://www.readbyqxmd.com/read/28280994/detection-of-myd88-l265p-and-whim-like-cxcr4-mutation-in-patients-with-igm-monoclonal-gammopathy-related-disease
#17
Xin-Xin Cao, Qi Meng, Hao Cai, Tian-Hua He, Cong-Li Zhang, Wei Su, Jian Sun, Yue Li, Wei Xu, Dao-Bin Zhou, Jian Li
A broad spectrum of diseases are associated with IgM monoclonal gammopathy, including Waldenstrom macroglobulinemia (WM), various types of B cell non-Hodgkin's lymphoma (NHL), multiple myeloma (MM), primary amyloidosis (AL), and monoclonal gammopathy of undetermined significance (MGUS); these are called IgM monoclonal gammopathy related diseases (IgM-RD). We investigated MYD88 L265P and WHIM-like CXCR4 mutations in various IgM-RD. Patients with serum immunofixation electrophoresis confirmed IgM monoclonal gammopathy who had enough material for DNA extraction and presented between January 2008 and October 2016 at Peking Union Medical College Hospital were enrolled in this cohort...
June 2017: Annals of Hematology
https://www.readbyqxmd.com/read/28277421/pediatric-type-follicular-lymphoma-and-pediatric-nodal-marginal-zone-lymphoma-recent-clinical-morphologic-immunophenotypic-and-genetic-insights
#18
Matthew Koo, Robert S Ohgami
Pediatric-type follicular lymphoma and pediatric nodal marginal zone lymphoma are 2 of the rarest B-cell lymphomas. Although they are both predominantly seen in children, they can manifest in the adult population as well. Our understanding of these lymphomas has advanced rapidly in recent years such that we not only have a firm grasp of the morphologic and immunophenotypic findings, but also have a deeper insight into critical genetic and molecular pathways of these diseases. This review will cover the clinical and pathologic characteristics, treatment, prognosis, and important differential diagnoses of these entities...
May 2017: Advances in Anatomic Pathology
https://www.readbyqxmd.com/read/28230270/a-phase-2-study-of-lenalidomide-rituximab-cyclophosphamide-and-dexamethasone-lr-cd-for-untreated-low-grade-non-hodgkin-lymphoma-requiring-therapy
#19
Allison Rosenthal, Amylou C Dueck, Stephen Ansell, Katherine Gano, Christopher Conley, Grzegorz S Nowakowski, John Camoriano, Jose F Leis, Joseph R Mikhael, A Keith Stewart, David Inwards, David Dingli, Shaji Kumar, Pierre Noel, Morie Gertz, Luis Porrata, Stephen Russell, Joseph Colgan, Rafael Fonseca, Thomas M Habermann, Prashant Kapoor, Francis Buadi, Nelson Leung, Rodger Tiedemann, Thomas E Witzig, Craig Reeder
Patients with indolent non-Hodgkin lymphoma (NHL) have multiple treatment options yet there is no consensus as to the best initial therapy. Lenalidomide, an immunomodulatory agent, has single agent activity in relapsed lymphoma. This trial was conducted to assess feasibility, efficacy, and safety of adding lenalidomide to rituximab, cyclophosphamide, and dexamethasone (LR-CD) in untreated indolent NHL patients requiring therapy. This was a single institution phase II trial. Treatment consisted of IV rituximab 375 mg/m2 day 1; oral lenalidomide 20 mg days 1-21; cyclophosphamide 250 mg/m2 days 1, 8, and 15; and dexamethasone 40 mg days 1, 8, 15, and 22 of a 28-day cycle...
May 2017: American Journal of Hematology
https://www.readbyqxmd.com/read/28144091/clinicopathological-profile-of-gastrointestinal-lymphomas-in-kashmir
#20
Mehnaaz Sultan Khuroo, Summyia Farooq Khwaja, Ajaz Rather, Zhahid Hassan, Ruby Reshi, Naira Sultan Khuroo
BACKGROUND: The histological categorization of lymphoma has been a source of controversy for many years for both clinicians and pathologists. Clinicopathologic information of gastrointestinal lymphomas in Indian subcontinent is lacking. We studied histopathological spectrum of Primary Gastrointestinal Lymphomas (PGIL) and attempted to classify the G.I. lymphomas based on the recent WHO classification in to major histological types and immunological categories. MATERIAL AND METHODS: This study was done to evaluate the clinicopathological pattern of 100 cases with a histopathological diagnosis of primary gastrointestinal lymphoma at a tertiary care hospital...
October 2016: Indian Journal of Medical and Paediatric Oncology
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