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Primary b cell lymphoma

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https://www.readbyqxmd.com/read/28739754/collision-of-lymphoepithelioma-like-carcinoma-with-diffuse-large-b-cell-lymphoma-of-the-stomach-a-case-report
#1
Liyan Liu, Huishan Zhao, Lin Sheng, Ping Yang, Huihui Zhou, Ruizheng Wang
BACKGROUND/AIM: Collision of Epstein-Barr virus (EBV)-associated lymphoepithelioma-like carcinoma (LELC) with non-Hodgkin's lymphoma of the stomach is extremely rare. PATIENTS AND METHODS: Herein we report a case of LELC with primary diffuse large B-cell lymphoma (DLBCL) of the stomach in a 65-year-old patient. RESULTS: Gastric endoscopy showed a poorly differentiated adenocarcinoma of the stomach. The patient underwent radical gastrectomy, and histopathological examinations revealed the collision of LELC and DLBCL of the stomach...
August 2017: Anticancer Research
https://www.readbyqxmd.com/read/28739740/global-analysis-of-mirna-mrna-interaction-network-in-breast-cancer-with-brain-metastasis
#2
Zhixin Li, Zhiqiang Peng, Siyu Gu, Junfang Zheng, Duiping Feng, Qiong Qin, Junqi He
BACKGROUND: MicroRNAs (miRNAs) have been linked to a number of cancer types including breast cancer. The rate of brain metastases is 10-30% in patients with advanced breast cancer which is associated with poor prognosis. The potential application of miRNAs in the diagnostics and therapeutics of breast cancer with brain metastasis is an area of intense interest. In an initial effort to systematically address the differential expression of miRNAs and mRNAs in primary breast cancer which may provide clues for early detection of brain metastasis, we analyzed the consequent changes in global patterns of gene expression in Gene Expression Omnibus (GEO) data set obtained by microarray from patients with in situ carcinoma and patients with brain metastasis...
August 2017: Anticancer Research
https://www.readbyqxmd.com/read/28737285/role-of-endoscopic-ultrasound-guided-fine-needle-aspiration-biopsy-in-the-diagnosis-of-lymphoma-of-the-pancreas-a-clinicopathological-study-of-nine-cases
#3
S Sadaf, A Loya, N Akhtar, M A Yusuf
OBJECTIVE: Endoscopic ultrasound-guided-fine needle aspiration (EUS-FNA) is an established first-line procedure in the management of solid and cystic pancreatic masses. Lymphoma is an uncommon diagnosis in EUS-FNA of the pancreas, and it is more common for such a diagnosis to be because of secondary involvement of the pancreas by a lymphoproliferative disorder than for this to represent isolated primary pancreatic lymphoma (PPL). We present the clinical, EUS and cytological features of these lesions...
July 24, 2017: Cytopathology: Official Journal of the British Society for Clinical Cytology
https://www.readbyqxmd.com/read/28733977/molecular-classification-of-tumor-cells-in-a-patient-with-intravascular-large-b-cell-lymphoma
#4
W M Bauer, M C Aichelburg, J Griss, C Skrabs, I Simonitsch-Klupp, A I Schiefer, H Kittler, U Jäger, M Zeyda, R Knobler, G Stingl
BACKGROUND: Intravascular large B-cell lymphoma (IVLBCL) is a rare type of extranodal large B-cell lymphoma. It is characterized by the proliferation of tumour cells exclusively intraluminally in small blood vessels of different organs. The clinical manifestation depends on the type of organ affected, additionally, a haemophagocytic syndrome can be observed in some patients. OBJECTIVE: Due to the rarity of this lymphoma and in spite of detailed immunohistochemical investigations the exact nosology of this cancer is only incompletely understood...
July 22, 2017: British Journal of Dermatology
https://www.readbyqxmd.com/read/28733137/can-metabolic-tumour-parameters-on-primary-staging-18-f-fdg-pet-ct-contribute-to-risk-stratification-of-primary-central-nervous-system-lymphomas-for-patient-management-as-a-prognostic-model
#5
K Okuyucu, E Alagoz, S Ince, S Ozaydin, N Arslan
OBJECTIVE: Primary central nervous system (CNS) lymphoma is an aggressive and fatal extranodal non-Hodgkin lymphoma (NHL) jailed in CNS at initial diagnosis. Its prognosis is poor and the disease has a fatal outcome when compared with systemic NHL. A few baseline risk stratification scoring systems have been suggested to estimate the prognosis mainly based on serum lactate dehydrogenase (LDH) level, age, Karnofsky performance score (KPS), involvement of deep brain structures (DBS) and cerebrospinal fluid protein concentration...
July 18, 2017: Revista Española de Medicina Nuclear e Imagen Molecular
https://www.readbyqxmd.com/read/28732145/evaluation-of-primary-mediastinal-large-b-cell-lymphoma-by-flow-cytometry
#6
Sindhu Cherian, Jonathan R Fromm
BACKGROUND: Primary mediastinal large B cell lymphoma (PMLBCL) is a B cell non-Hodgkin lymphoma (B-NHL) that shows morphologic, immunophenotypic, and genetic similarities to classical Hodgkin lymphoma (CHL). We evaluated the neoplastic and reactive infiltrate of PMLBCL by flow cytometry (FC). METHODS: 24 cases of PMLBCL were retrospectively characterized using FC combinations for B-NHL, T-NHL, and CHL. RESULTS: The CHL assay identified the neoplastic population (NP) in all cases, while the B-NHL assay identified the NP in 18 of 24 cases...
July 21, 2017: Cytometry. Part B, Clinical Cytometry
https://www.readbyqxmd.com/read/28729148/clinical-grade-expanded-tregs-prevent-gvhd-while-allowing-a-powerful-t-cell-dependent-gvl-effect-in-murine-models
#7
B Del Papa, L Ruggeri, E Urbani, S Baldoni, D Cecchini, T Zei, R Iacucci Ostini, B Crescenzi, A Carotti, A Pierini, P Sportoletti, P Di Bartolomeo, F Falzetti, C Mecucci, A Velardi, M F Martelli, M Di Ianni
We developed a GMP-compatible expansion protocol, to improve number and purity of Tregs available for clinical trials. Six clinical grade separation procedures were performed, followed by expansion with high-dose interleukin (IL)-2, anti-CD3/anti-CD28 TCR stimulation and rapamycin for 19 days achieving a median of 8.5 fold (6.25-13.7) expansion. FOXP3 expression was stably maintained over the culture period, while the percentage of CD127 was significantly reduced. The in vitro suppression assay showed a strong MLR inhibition...
July 17, 2017: Biology of Blood and Marrow Transplantation
https://www.readbyqxmd.com/read/28728978/anticancer-drug-loaded-quantum-dots-engineered-polymeric-nanoparticles-diagnosis-therapy-combined-approach
#8
D Belletti, G Riva, M Luppi, G Tosi, F Forni, M A Vandelli, B Ruozi, F Pederzoli
Primary Effusion Lymphoma (PEL) is an HHV-8-related non Hodgkin lymphoma localized in body cavities (as pleural, peritoneal and pericardial) presenting lymphomatous effusion that, until now, lack of an effective therapy. Curcumin was reported to display pro-apoptotic effect via the inhibition of the JAK/STAT pathway, that is overexpressed in PEL cells, as consequence of virus infection. The administration of curcumin is severely restricted by its physicochemical properties, mainly its low solubility in biological fluid and consequently low bioavailability...
July 18, 2017: European Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28727717/percutaneous-vertebroplasty-for-primary-non-hodgkin-s-lymphoma-of-the-thoracic-spine-case-report-and-review-of-the-literature
#9
Pu Jia, JinJun Li, Hao Chen, Li Bao, Fei Feng, Hai Tang
Primary non-Hodgkin's lymphoma of the vertebra is rare in the spine of the elderly. The clinical presentation and radiological features are unspecific, which make it more difficult for diagnosis. We report a case of a 79-year-old woman complaining of serious backache without any injury. The magnetic resonance imaging (MRI) showed invasion of the fifth thoracic vertebra with the posterior vertebral body wall defect. There was a high suspicion that the patient had a metastatic tumor of the vertebra. A percutaneous vertebroplasty was performed under fluoroscopic guidance, which was used to treat the osteoporotic vertebral compression fracture, vertebral metastases, verte-bral hemangioma, and multiple myeloma...
July 2017: Pain Physician
https://www.readbyqxmd.com/read/28726030/intravascular-large-b-cell-lymphoma-presenting-clinically-as-rapidly-progressive-dementia
#10
REVIEW
F M Brett, D Chen, T Loftus, Y Langan, S Looby, S Hutchinson
BACKGROUND: In patients presenting with rapidly progressive dementia, prion disease may enter the differential diagnosis. The commonest malignancies masquerading as prion disease are primary CNS lymphoma and intravascular large B-cell lymphoma, both rare and difficult to diagnose without brain biopsy. CASE PRESENTATION: This 82-year-old lady with a past history of hypertension, presented with rapidly progressive cognitive impairment and ataxia. The possibility of sCJD was raised...
July 19, 2017: Irish Journal of Medical Science
https://www.readbyqxmd.com/read/28725988/interim-18-f-fgd-pet-ct-may-not-predict-the-outcome-in-primary-central-nervous-system-lymphoma-patients-treated-with-sequential-treatment-with-methotrexate-and-cytarabine
#11
Jae-Cheol Jo, Dok Hyun Yoon, Shin Kim, Kyoungmin Lee, Eun Hee Kang, Jung Sun Park, Jin-Sook Ryu, Jooryung Huh, Chan-Sik Park, Jong Hoon Kim, Sang Wook Lee, Cheolwon Suh
(18)F-fluoro-2-dexoy-D-glucose-positron emission tomography (PET)/computed tomography (CT) is a useful imaging technique for monitoring the treatment response in lymphoma cases. We investigated the value of interim brain PET/CT (I-PET/CT) for monitoring the response to intensive methotrexate-based chemotherapy in primary central nervous system lymphoma (PCNSL) patients with diffuse large B cell lymphoma (DLBCL). Of the 76 PCNSL patients treated with intensive methotrexate and cytarabine chemotherapy between September 2006 and December 2012, 66 patients with DLBCL were included in this study...
July 19, 2017: Annals of Hematology
https://www.readbyqxmd.com/read/28725044/cord-blood-nk-cells-engineered-to-express-il-15-and-a-cd19-targeted-car-show-long-term-persistence-and-potent-anti-tumor-activity
#12
E Liu, Y Tong, G Dotti, H Shaim, B Savoldo, M Mukherjee, J Orange, X Wan, X Lu, A Reynolds, M Gagea, P Banerjee, R Cai, M H Bdaiwi, R Basar, M Muftuoglu, L Li, D Marin, W Wierda, M Keating, R Champlin, E Shpall, K Rezvani
Chimeric antigen receptors (CARs) have been used to redirect the specificity of autologous T-cells against leukemia and lymphoma with promising clinical results.(1-3) Extending this approach to allogeneic T-cells is problematic as they carry a significant risk of graft-versus-host disease (GVHD). Natural killer (NK) cells are highly cytotoxic effectors, killing their targets in a non-antigen specific manner without causing GVHD. Cord blood (CB) offers an attractive, allogeneic, off-the-self source of NK cells for immunotherapy...
July 20, 2017: Leukemia: Official Journal of the Leukemia Society of America, Leukemia Research Fund, U.K
https://www.readbyqxmd.com/read/28722111/monoamine-oxidase-a-is-highly-expressed-in-classical-hodgkin-lymphoma
#13
Pei Chuan Li, Imran N Siddiqi, Anja Mottok, Eric Y Loo, Chieh Hsi Wu, Wendy Cozen, Christian Steidl, Jean Chen Shih
Monoamine oxidase A (MAOA) is a mitochondrial enzyme that catalyzes oxidative deamination of neurotransmitters and dietary amines and produces H2 O2. It facilitates the progression of gliomas and prostate cancer, but its expression and functional relevance have not been studied in lymphoma. Here, we evaluated MAOA in 427 cases of Hodgkin and non-Hodgkin lymphoma and in a spectrum of reactive lymphoid tissues by immunohistochemistry on formalin-fixed paraffin-embedded specimens. MAOA was expressed by Hodgkin Reed-Sternberg (HRS) cells in the majority of classical Hodgkin lymphomas (cHL) (181/241; 75%), with 34...
July 19, 2017: Journal of Pathology
https://www.readbyqxmd.com/read/28718689/orbital-diffuse-large-b-cell-lymphoma-with-combined-variable-immunodeficiency
#14
Vishal S Parikh, Deepa Jagadeesh, James M Fernandez, Eric D Hsi, Arun D Singh
Common variable immunodeficiency (CVID) is a primary immunodeficiency manifesting as a reduction in the level of total immunoglobulin (Ig) G, a reduction in the level of either IgA or IgM, poor response to polysaccharide vaccine, and usually frequent infections. The association of CVID with an increased risk of malignancy, specifically lymphoma, is well known. A 63-year-old female with a past medical history significant for CVID presented with a 1-month history of dull, left eye pain with proptosis, hypoglobus, and left upper lid fullness without a discrete palpable mass...
July 18, 2017: Orbit
https://www.readbyqxmd.com/read/28712132/impact-of-lipoprotein-apheresis-with-dextran-sulfate-adsorption-on-the-expression-of-genes-involved-in-cardiovascular-health-in-the-blood-of-patients-with-homozygous-familial-hypercholesterolemia
#15
Jean-Philippe Drouin-Chartier, André J Tremblay, Jean Bergeron, Nathalie Laflamme, Benoît Lamarche, Patrick Couture
Lipoprotein apheresis (LA) with dextran sulfate adsorption (DSA) is a reliable method to decrease LDL-cholesterol (C) concentrations in patients with homozygous familial hypercholesterolemia (HoFH). The objective of the present study was to investigate the impact of LA with DSA on the mRNA expression of genes associated with cardiovascular health in the whole blood of HoFH patients. Blood samples were collected before and after LA treatment with DSA in 9 HoFH patients. Microarray analyses were performed to measure the whole blood expression of >30 000 annotated genes pre- and post-LA...
July 16, 2017: Journal of Clinical Apheresis
https://www.readbyqxmd.com/read/28711152/functional-analysis-of-acquired-cd28-mutations-identified-in-cutaneous-t-cell-lymphoma
#16
Grzegorz B Gmyrek, Jeanette Pingel, Jaehyuk Choi, Jonathan M Green
CD28 is the major costimulatory receptor on T cells regulating proliferation, survival and effector function. Acquired mutations in the extracellular domain of CD28 have been identified in patients with cutaneous T cell lymphoma, angioimmunoblastic T cell lymphoma and other T cell neoplasms, suggesting it may contribute to disease pathogenesis. We used a heterologous system in which mutant human CD28 was expressed on primary murine T cells deficient in CD28 to ascertain how specific mutations identified in a genetic screen of patients with cutaneous T cell lymphoma affected normal T cell function...
July 10, 2017: Cellular Immunology
https://www.readbyqxmd.com/read/28710338/unique-radiological-features-of-two-cases-of-primary-pulmonary-diffuse-large-b-cell-lymphoma
#17
Yuu Saitoh, Ayae Ohnishi-Amemiya, Michiyo Asano, Yuko Tanaka, Seiichiro Yoshizawa, Hiroaki Fujimoto, Yoshikazu Itoh, Naoya Nakamura, Kazuma Ohyashiki
No abstract text is available yet for this article.
July 14, 2017: Thorax
https://www.readbyqxmd.com/read/28707270/profiling-of-cellular-microrna-responses-during-the-early-stages-of-kshv-infection
#18
Hosni A M Hussein, Shaw M Akula
Kaposi's sarcoma-associated herpesvirus (KSHV) causes a variety of cancers, including Kaposi's sarcoma (KS), primary effusion lymphoma (PEL), and multicentric Castleman disease (MCD). Host cellular microRNAs (miRNAs) play important post-transcriptional regulatory roles in gene expression and can greatly influence virus-host cell interactions. This study investigated cellular miRNA expression profiles operating in response to early stages of KSHV infection of human Burkitt lymphoma B cells (BJAB). We employed deep sequencing to analyze miRNA expression in KSHV-infected BJAB cells 15 min post infection (PI) and compared this to uninfected BJAB cells...
July 13, 2017: Archives of Virology
https://www.readbyqxmd.com/read/28706431/pancreatic-t-histiocyte-rich-large-b-cell-lymphoma-a-case-report-and-review-of-literature
#19
Shu-Mei Zheng, De-Jiang Zhou, Yi-Hua Chen, Rui Jiang, Yun-Xia Wang, Yong Zhang, Hong-Li Xue, Hai-Qiong Wang, Dong Mou, Wei-Zheng Zeng
Primary pancreatic lymphoma (PPL) is an extremely rare form of extranodal malignant lymphoma. The most common histological subtype of PPL is diffuse large B cell lymphoma (DLBCL). In rare cases, PPL can also present as follicular lymphoma, small lymphocytic lymphoma, and T cell lymphoma either of non-Hodgkin's lymphoma or of Hodgkin's lymphoma. T-cell/histiocyte-rich large B-cell lymphoma (T/HRBCL) is an uncommon morphologic variant of DLBCL with aggressive clinical course, it is predominantly a nodal disease, but extranodal sites such as bone marrow, liver, and spleen can be involved...
June 28, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28704654/persistent-kshv-infection-increases-ebv-associated-tumor-formation-in%C3%A2-vivo-via-enhanced-ebv-lytic-gene-expression
#20
Donal McHugh, Nicole Caduff, Mario Henrique M Barros, Patrick C Rämer, Ana Raykova, Anita Murer, Vanessa Landtwing, Isaak Quast, Christine T Styles, Michael Spohn, Adeola Fowotade, Henri-Jacques Delecluse, Alexandra Papoudou-Bai, Yong-Moon Lee, Jin-Man Kim, Jaap Middeldorp, Thomas F Schulz, Ethel Cesarman, Andrea Zbinden, Riccarda Capaul, Robert E White, Martin J Allday, Gerald Niedobitek, David J Blackbourn, Adam Grundhoff, Christian Münz
The human tumor viruses Epstein-Barr virus (EBV) and Kaposi sarcoma-associated herpesvirus (KSHV) establish persistent infections in B cells. KSHV is linked to primary effusion lymphoma (PEL), and 90% of PELs also contain EBV. Studies on persistent KSHV infection in vivo and the role of EBV co-infection in PEL development have been hampered by the absence of small animal models. We developed mice reconstituted with human immune system components as a model for KSHV infection and find that EBV/KSHV dual infection enhanced KSHV persistence and tumorigenesis...
July 12, 2017: Cell Host & Microbe
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