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Marginal Zone Lymphoma

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https://www.readbyqxmd.com/read/28631441/genetic-landscape-and-deregulated-pathways-in-b-cell-lymphoid-malignancies
#1
R Rosenquist, S Beà, M-Q Du, B Nadel, Q Pan-Hammarström
With the introduction of next-generation sequencing, the genetic landscape of the complex group of B-cell lymphoid malignancies has rapidly been unravelled in recent years. This has provided important information about recurrent genetic events and identified key pathways deregulated in each lymphoma subtype. In parallel, there has been intense search and development of novel types of targeted therapy that 'hit' central mechanisms in lymphoma pathobiology, such as BTK, PI3K or BCL2 inhibitors. In this review, we will outline the current view of the genetic landscape of selected entities: follicular lymphoma, diffuse large B-cell lymphoma, mantle cell lymphoma, chronic lymphocytic leukaemia and marginal zone lymphoma...
June 20, 2017: Journal of Internal Medicine
https://www.readbyqxmd.com/read/28626260/a-case-of-api2-malt1-positive-gastric-malt-lymphoma-with-concomitant-diffuse-large-b-cell-lymphoma
#2
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/28618774/low-dose-radiation-therapy-for-primary-conjunctival-marginal-zone-b-cell-lymphoma
#3
Ga-In Md, Dongryul Oh, Won Seog Kim, Seok Jin Kim, Young Hyeh Ko, Kyung In Woo, Yoon-Duck Kim, Yong Chan Ahn
Purpose: To evaluate the clinical features and the long-term outcomes of primary conjunctival marginal zone B-cell lymphoma (MZBCL) patients who were treated with radiation therapy (RT). Materials and Methods: Retrospective data of 79 patients with 121 primary conjunctival MZBCL lesions were collected from January 1st, 2001 till June 30th, 2014. All lesions were treated by local RT (26 Gy) with patient-specific customized lens-shielding device. Results: The current Korean patients' cohort showed younger median age at diagnosis (38 years), great female preponderance (78...
June 16, 2017: Cancer Research and Treatment: Official Journal of Korean Cancer Association
https://www.readbyqxmd.com/read/28616085/helicobacter-pylori-infection-old-and-new
#4
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/28611188/new-quantitative-features-for-the-morphological-differentiation-of-abnormal-lymphoid-cell-images-from-peripheral-blood
#5
Laura Puigví, Anna Merino, Santiago Alférez, Andrea Acevedo, José Rodellar
AIMS: This work aims to propose a set of quantitative features through digital image analysis for significant morphological qualitative features of different cells for an objective discrimination among reactive, abnormal and blast lymphoid cells. METHODS: Abnormal lymphoid cells circulating in peripheral blood in chronic lymphocytic leukaemia, B-prolymphocytic leukaemia, hairy cell leukaemia, splenic marginal zone lymphoma, mantle cell lymphoma, follicular lymphoma, T-prolymphocytic leukaemia, T large granular lymphocytic leukaemia and Sézary syndrome, normal, reactive and blast lymphoid cells were included...
June 13, 2017: Journal of Clinical Pathology
https://www.readbyqxmd.com/read/28594133/diagnostic-value-of-stmn1-lmo2-hgal-aid-expression-and-1p36-chromosomal-abnormalities-in-primary-cutaneous-b-cell-lymphomas
#6
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
INTRODUCTION: distinction between primary cutaneous follicular lymphoma (PCFL) and primary cutaneous marginal zone lymphoma (PCMZL) is challenging as clear-cut immunophenotypic and cytogenetic criteria to segregate both entities are lacking. MATERIALS AND METHODS: to better characterize PCFL and PCMZL and to define criteria helpful for the differential diagnosis, we compared expression of immunohistochemical markers (LMO2, HGAL, STMN1, AID, MNDA) and the presence of cytogenetic abnormalities previously described in nodal follicular lymphoma (BCL2 and BCL6 breaks, 1p36 chromosomal region deletion (del 1p36)) in a series of 48 cutaneous follicular and marginal zone lymphomas (CFL and CMZL)...
June 8, 2017: Histopathology
https://www.readbyqxmd.com/read/28591419/the-multiple-faces-of-marginal-zone-lymphomas
#7
Markus Raderer
No abstract text is available yet for this article.
June 2017: Hematological Oncology
https://www.readbyqxmd.com/read/28588773/target-volume-dose-and-clinical-outcome-in-radiotherapy-for-primary-marginal-zone-lymphoma-of-the-ocular-adnexa
#8
Natuhiko Shirota, Hidetsugu Nakayama, Sachica Shiraishi, Yoshihiko Usui, Keisuke Kimura, Tomohide Sanada, Norifumi Kennoki, Mitsuru Okubo, Hiroshi Goto, Koichi Tokuuye
The aim of the present study was to determine the optimal dose and optimal target volume for marginal zone lymphoma of the ocular adnexa. Between January, 2008 and December, 2013, 40 patients with histologically proven primary marginal zone lymphoma of the ocular adnexa who underwent radiotherapy at the Tokyo Medical University were evaluated. The prescribed dose was 30 Gy in 15 fractions to the iso-center. Doses to the gross tumor volume (GTV), conjunctiva, bulbus oculi, retina and retrobulbar space were investigated, and the association between dose-volume factors and clinical outcome was analyzed...
June 2017: Molecular and Clinical Oncology
https://www.readbyqxmd.com/read/28577652/splenic-marginal-zone-lymphoma-a-literature-review-of-diagnostic-and-therapeutic-challenges
#9
Tayse Silva Dos Santos, Renato Sampaio Tavares, Danielle Leão Cordeiro de Farias
Splenic marginal zone lymphoma (SMZL) is a low-grade B-cell non-Hodgkin's lymphoma characterized by massive splenomegaly, moderate lymphocytosis with or without villous lymphocytes, rare involvement of peripheral lymph nodes and indolent clinical course. As a rare disease, with no randomized prospective trials, there is no standard of care for SMZL so far. Splenectomy has been done for many years as an attempt to control disease, but nowadays it has not been encouraged as first line because of new advances in therapy as rituximab, that are as effective with minimal toxicity...
April 2017: Revista Brasileira de Hematologia e Hemoterapia
https://www.readbyqxmd.com/read/28577295/response-assessment-with-the-cxcr4-directed-positron-emission-tomography-tracer-68-ga-pentixafor-in-a-patient-with-extranodal-marginal-zone-lymphoma-of-the-orbital-cavities
#10
Peter Herhaus, Stefan Habringer, Tibor Vag, Katja Steiger, Julia Slotta-Huspenina, Carlos Gerngroß, Benedikt Wiestler, Hans-Jürgen Wester, Markus Schwaiger, Ulrich Keller
CXCR4 belongs to the family of chemokine receptors. Together with its sole known ligand CXCL12 (SDF-1alpha), it has a pivotal role during organogenesis and for homing of hematopoietic stem cells. CXCR4 is overexpressed in various malignancies, and this is often associated with poor prognosis. Therefore, molecular imaging of CXCR4 bears a great potential for diagnostics and selecting patients for CXCR4-directed therapies. The CXCR4-directed positron emission tomography (PET) tracer [(68)Ga]Pentixafor has been shown to visualize CXCR4 expression in various malignancies in vivo...
December 2017: EJNMMI Research
https://www.readbyqxmd.com/read/28575142/flow-cytometric-patterns-of-cd200-and-cd1d-expression-distinguish-cd10-negative-cd5-negative-mature-b-cell-lymphoproliferative-disorders
#11
Emily Mason, Olga Pozdnyakova, Betty Li, Graham Dudley, David M Dorfman
Objectives: The importance of distinguishing mature B-cell lymphoproliferative disorders (B-LPDs) is highlighted by the distinct treatments used for and varying prognoses seen in association with these different diseases. Immunophenotyping allows for accurate and efficient differentiation of many B-LPDs. Recently, we showed that CD200 is highly expressed in hairy cell leukemia (HCL) but not in marginal zone lymphoma (MZL), lymphoplasmacytic lymphoma (LPL), or hairy cell leukemia-variant (HCL-v)...
June 1, 2017: American Journal of Clinical Pathology
https://www.readbyqxmd.com/read/28566677/high-grade-transformation-in-a-splenic-marginal-zone-lymphoma-with-a-cerebral-manifestation
#12
Xiaoning Gao, Jie Li, Ji Lin, Daihong Liu, Li Yu, Quanshun Wang
BACKGROUND Splenic marginal zone lymphomas (SMZLs) are generally uncommon, indolent lymphomas that typically affect older adults, but the development of the transformation to high-grade lymphoma may occur in a small proportion of patients and represents a rare event with blastic cell infiltration in the lymph nodes and bone marrow. CASE REPORT Here, we present a young adult patient who was diagnosed with a SMZL and developed a high-grade transformation to diffuse large B cell lymphoma (DLBCL) with central nervous system involvement...
June 1, 2017: American Journal of Case Reports
https://www.readbyqxmd.com/read/28549475/kimura-s-disease-affecting-the-axillary-lymph-nodes-a-case-report
#13
Kenji Kuroda, Shinichiro Kashiwagi, Hitoshi Teraoka, Haruhito Kinoshita, Mikio Nanbara, Eiji Noda, Takaaki Chikugo, Kosei Hirakawa, Masaichi Ohira
BACKGROUND: Kimura's disease (KD; eosinophilic granuloma of soft tissue) is an inflammatory granulomatous disorder of unknown cause with eosinophilic infiltration that occurs mainly in soft tissue. KD occurs mainly in the head and neck, but development in the axillary region is very rare. CASE PRESENTATION: A 74-year-old Japanese woman was evaluated for a mass that she noted in the left axillary region. On physical examination, there was a palpable, thumb-sized, hard, elastic, freely movable mass in the left axilla...
May 26, 2017: BMC Surgery
https://www.readbyqxmd.com/read/28541247/lymphoid-tissue-neoplasms-in-the-neck-region-epidemiological-and-clinical-analysis-over-15-years
#14
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/28533834/-splenic-marginal-zone-lymphoma
#15
Sinaa Mohamed
Splenic marginal zone lymphoma (SMZL) is a rare B-cell lymphoma, well defined according to the 2016 WHO classification of tumors of the hematopoietic tissue, which can raise diagnostic problems. We report the case of a 72-year old patient, hospitalised for exploration of a massive splenomegaly confirmed by computed tomography (CT). Laboratory tests were normal. The patient underwent splenectomy. Microscopic examination of the surgical specimen showed widespread lymphomatous proliferation in small cells associated with CD20 marker...
2017: Pan African Medical Journal
https://www.readbyqxmd.com/read/28525331/an-immunohistochemical-analysis-of-lymphocytic-infiltrations-in-canine-skin-cancers
#16
J A Madej, J P Madej, S Dzimira, M Nowak
Lymphocytic infiltrations located in the extracellular matrix often accompany canine skin cancer. They can be characterised as an inflammatory infiltration and/or a second tumour - lymphoma. The aim of this study was an immunohistochemical analysis of a lymphocytic infiltration which accompanies spontaneous skin cancer. Twenty basal cell carcinoma, 20 non-keratinizing squamous cell carcinoma, 20 keratinizing squamous cell carcinoma and 8 sebaceous gland carcinoma samples which were accompanied by a lymphocytic infiltration and/or secondary lymphatic follicles were verified histopathologically...
March 28, 2017: Polish Journal of Veterinary Sciences
https://www.readbyqxmd.com/read/28522570/clinical-and-diagnostic-relevance-of-notch2-and-klf2-mutations-in-splenic-marginal-zone-lymphoma
#17
Yolanda Campos-Martín, Nerea Martínez, Azahara Martínez-López, Laura Cereceda, Felipe Casado, Patrocinio Algara, David Oscier, Francisco J Menarguez, Juan F García, Miguel A Piris, Manuela Mollejo
No abstract text is available yet for this article.
May 18, 2017: Haematologica
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
#18
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/28516888/one-biopsy-two-diagnoses-statin-induced-autoimmune-myopathy-in-combination-with-extranodal-marginal-zone-lymphoma
#19
Stijn Michiels, Daan Dierickx, Veerle Taelman, Thomas Tousseyn, Jan Lenaerts, Ellen De Langhe
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May 17, 2017: Clinical and Experimental Rheumatology
https://www.readbyqxmd.com/read/28514197/change-of-serum-igg4-in-patients-with-ocular-adnexal-marginal-zone-b-cell-lymphoma-associated-with-igg4-related-ophthalmic-disease-after-treatment
#20
Yuan-Hung Wu, Lei-Chi Wang, Sang-Hue Yen, Wei-Kuang Yu, Shu-Ching Kao, Hui-Chuan Kau, Chieh-Chih Tsai, Catherine Jui-Ling Liu
PURPOSE: To investigate the change of serum IgG4 concentrations correlated with clinical evolution in patients with ocular adnexal marginal zone B cell lymphoma associated with IgG4-related ophthalmic disease (IgG4-ROD). METHODS: Three consecutive patients with histopathologically confirmed ocular adnexal marginal zone B cell lymphoma associated with IgG4-ROD were evaluated. Two patients received radiotherapy and 1 patient received steroid therapy. Treatment outcome was evaluated by clinical symptoms, radiologic examination, and change of serum IgG4 level in these patients...
May 17, 2017: Journal of Ocular Pharmacology and Therapeutics
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