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splenic t lymphoma

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https://www.readbyqxmd.com/read/29762242/-hepatic-superscan-in-a-patient-with-hepatosplenic-alphabeta-t-cell-lymphoma-18f-fdg-pet-ct-findings
#1
Entao Liu, Siyun Wang, Peilong Lai, Zhouyang Lian, Shuxia Wang
A 36-year-old woman with a 2-week history of fever and markedly elevated lactate dehydrogenase levels. Nonenhanced CT and contrast-enhanced CT showed hepatosplenomegaly, diffusely decreased attenuation of the liver, and homogeneous enhancement in the hepatic and splenic parenchyma. 18F-FDG PET/CT revealed diffuse intense heterogeneous uptake by the liver (like superscan in bone scintigraphy). A liver needle biopsy confirmed the diagnosis of hepatosplenic alphabeta T-cell lymphoma. Subsequently, she received chemotherapy...
May 14, 2018: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/29689702/protective-and-recuperative-effects-of-3-bromopyruvate-on-immunological-hepatic-and-renal-homeostasis-in-a-murine-host-bearing-ascitic-lymphoma-implication-of-niche-dependent-differential-roles-of-macrophages
#2
Saveg Yadav, Shrish Kumar Pandey, Yugal Goel, Praveen Kumar Kujur, Babu Nandan Maurya, Ashish Verma, Ajay Kumar, Rana Pratap Singh, Sukh Mahendra Singh
3-bromopyruvate (3-BP) possesses promising antineoplastic potential, however, its effects on immunological homeostasis vis a vis hepatic and renal functions in a tumor bearing host remain unclear. Therefore, the effect of 3-BP administration to a murine host bearing a progressively growing tumor of thymoma origin, designated as Dalton's lymphoma (DL), on immunological, renal and hepatic homeostasis was investigated. Administration of 3-BP (4 mg/kg) to the tumor bearing host reversed tumor growth associated thymic atrophy and splenomegaly, accompanied by altered cell survival and repertoire of splenic, bone marrow and tumor associated macrophages (TAM)...
March 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29657256/colonal-monomorphic-epitheliotropic-intestinal-t-cell-lymphoma-with-novel-phenotype-of-cytoplasmic-cd3-expression
#3
Yumi Aoyama, Hiroko Tsunemine, Yuriko Zushi, Hayato Maruoka, Yuta Goto, Taiichi Kodaka, Tomoo Itoh, Takayuki Takahashi
Monomorphic epitheliotropic intestinal T-cell lymphoma (MEITL) is a new clinical entity that was reclassified from enteropathy-associated T-cell lymphoma in the 2016 WHO classification. An 83-year-old man with fever and diarrhea was referred to our hospital because of free air in the abdominal cavity and wall thickening of the large intestine on CT. Colonofiberscopic examination revealed mucosal edema and multiple ulcers at the sigmoid colon, splenic flexure, and transverse colon. Histopathological examination of the mucosal biopsy specimen demonstrated dense infiltration of small lymphocytes with nuclear atypia, some of which exhibited intraepithelial invasion...
April 13, 2018: Journal of Clinical and Experimental Hematopathology: JCEH
https://www.readbyqxmd.com/read/29563728/aggressive-angioimmunoblastic-t-cell-lymphomas-aitl-with-soft-tissue-extranodal-mass-varied-histopathological-patterns-with-peripheral-blood-bone-marrow-and-splenic-involvement-and-review-of-literature
#4
Tanushri Mukherjee, Rajat Dutta, S Pramanik
Angioimmunoblastic T cell lymphoma (AITL) is a peripheral T cell non-Hodgkin lymphoma with an aggressive fatal course and it has varied clinical presentation with an uncommon presentation when they present as soft tissue masses or when there is spill in the peripheral blood or there are composite lymphomas that are rare presentations. Common presentations include lymphadenopathy, fever and systemic symptoms, hemolytic anemias, skin rashes, and rheumatoid arthritis. The classical histopathology is absence of follicles in lymph nodes with presence of high endothelial venules and the tumor cells of small to medium-sized lymphocytes with pale cytoplasm mixed with reactive T cells...
March 2018: Indian Journal of Surgical Oncology
https://www.readbyqxmd.com/read/29461617/jak-stat5-signaling-pathway-inhibitor-ruxolitinib-reduces-airway-inflammation-of-neutrophilic-asthma-in-mice-model
#5
R-F Li, G-F Wang
OBJECTIVE: The aim of this study was to explore the role of JAK/STAT signaling pathway inhibitor Ruxolitinib in neutrophilic airway inflammation and its possible immunological mechanism. MATERIALS AND METHODS: A total of 60 female C57BL/6 mice were randomly divided into neutrophilic asthma (NA) group, Ruxolitinib-treated (Ruxo) group and control (Con) group. Mice in NA and Ruxo groups were sensitized with ovalbumin (OVA) and excited to establish mice models of asthma...
February 2018: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/29381934/pregnancy-associated-hemophagocytic-lymphohistiocytosis-secondary-to-nk-t-cells-lymphoma-a-case-report-and-literature-review
#6
Mengzhou He, Jing Jia, Jingyi Zhang, Rajluxmee Beejadhursing, Lali Mwamaka Sharifu, Jun Yu, Shaoshuai Wang, Ling Feng
RATIONALE: Hemophagocytic lymphohistiocytosis (HLH) occurs primarily in pediatric population, or secondary to malignancy, infection, or autoimmune disease. This disease is rare and prognosis is generally poor. Only a small number of cases during pregnancy have been reported in literature. PATIENT CONCERNS: We report a case of pregnancy-associated HLH secondary to natural killer (NK)/T cells lymphoma. She was admitted at 30 weeks and 3 days of pregnancy with complaints of abdominal pain and fever as high as 39...
November 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29348316/evaluation-of-next-generation-anti-cd20-antibodies-labeled-with-zirconium-89-in-human-lymphoma-xenografts
#7
Jason T Yoon, Mark S Longtine, Bernadette V Marquez-Nostra, Richard L Wahl
Radioimmunotherapies with monoclonal antibodies (mAbs) to the B-lymphocyte antigen 20 (CD20) are effective treatments for B-cell lymphomas, but United States Food and Drug Administration (FDA)-approved radioimmunotherapies exclusively use radiolabeled murine antibodies, potentially limiting re-dosing. The FDA recently approved two unlabeled anti-CD20 monoclonal antibodies, obinutizumab and ofatumumab, termed "next generation" as they are humanized (obinituzumab) or fully human (ofatumumab), thus potentially allowing a greater potential for re-dosing than with previous generation anti-CD20 antibodies, including rituximab (chimeric) and tositumumab (murine) which contain more murine peptide sequences...
January 18, 2018: Journal of Nuclear Medicine: Official Publication, Society of Nuclear Medicine
https://www.readbyqxmd.com/read/29136691/-tumors-of-lymphoid-and-hematopoietic-tissue-of-spleen-a-clinicopathologic-analysis-of-53-cases
#8
D B Chen, D H Shen, H Zhang, Y Wang, Q J Song, S M Yang, X Z Fang
Objective: To study the clinicopathologic features, diagnosis and differential diagnosis of the tumors of lymphoidand hematopoietic tissue of the spleen(TLTS). Methods: Fifty-three cases of TLTS were selected from the pathologic files from Peking University People's Hospital from April 2002 to April 2017. According to WHO classification of tumors of hematopoietic and lymphoid tissues (2008) and its updated classification (2016), the cases were studied by microscopy, immunohistochemistry and in situ hybridization, combined with the bone marrow biopsy and clinical examination...
November 8, 2017: Zhonghua Bing Li Xue za Zhi Chinese Journal of Pathology
https://www.readbyqxmd.com/read/29112013/cancer-therapy-associated-lymphoproliferative-disorders-an-under-recognized-type-of-immunodeficiency-associated-lymphoproliferative-disorder
#9
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...
January 2018: American Journal of Surgical Pathology
https://www.readbyqxmd.com/read/29075958/a-rare-case-of-b-lymphoproliferative-disorder-with-villous-lymphocytes-harboring-t-8-14-q24-q32-translocation
#10
Xiaofeng Shi, Rong Ba, Haiyan You, Qian Jiang, Jiansong Huang, Jianhua Mao, Lanxiu Han, Shuo Zhang, Qin Zhuang, Xianqiu Yu, Lixia Wang, Yun Wang, Dongya Li, Wei Zhu, Yong Zhang, Yan Zhu, Xiaodong Xi
Splenic lymphoma with villous lymphocytes (SLVL) or splenic marginal zone lymphoma with circulating villous lymphocytes is rare, and prolymphocytic transformation of SLVL is rarer. At present, only one case of SLVL with t(8;14)(q24;q32) translocation has been reported. In this study, we report a case of Blymphoproliferative disorder with villous lymphocytes harboring t(8;14)(q24;q32) chromosome translocation that we inclined to SLVL with a prolymphocytic transformation. A 73-year-old female showed marked hepatosplenomegaly and high lymphocytosis (lymphocytes > 200 × 10(9)/L)...
October 27, 2017: Frontiers of Medicine
https://www.readbyqxmd.com/read/29043543/surgical-management-of-splenic-marginal-zone-lymphoma
#11
N D Kennedy, G N Lê, M E Kelly, T Harding, K Fadalla, D C Winter
OBJECTIVES: Splenic marginal zone lymphoma (SMZL) is a rare indolent B-cell lymphoma with variable prognosis. As a result, there is sparse knowledge on the role of splenectomy and best management approaches. We aim to explore management strategies and outcomes amongst the cohort of SMZL patients at our centre. METHOD: A retrospective review of all splenectomies performed at a tertiary referral unit over a 23-year period was assessed. Immunohistochemical and pathological results of splenic samples, bone marrow biopsies, and peripheral blood were compiled...
October 17, 2017: Irish Journal of Medical Science
https://www.readbyqxmd.com/read/29027350/liposome-encapsulated-chemotherapy-current-evidence-for-its-use-in-companion-animals
#12
REVIEW
B Børresen, A E Hansen, A Kjaer, T L Andresen, A T Kristensen
Cytotoxic drugs encapsulated into liposomes were originally designed to increase the anticancer response, while minimizing off-target adverse effects. The first liposomal chemotherapeutic drug was approved for use in humans more than 20 years ago, and the first publication regarding its use in a canine cancer patient was published shortly thereafter. Regardless, no general application for liposomal cytotoxic drugs has been established in veterinary oncology till now. Due to the popularity of canines as experimental models for pharmacokinetic analyses and toxicity studies, multiple publications exist describing various liposomal drugs in healthy dogs...
March 2018: Veterinary and Comparative Oncology
https://www.readbyqxmd.com/read/28912500/dynamic-changes-in-the-splenic-transcriptome-of-chickens-during-the-early-infection-and-progress-of-marek-s-disease
#13
Lu Dang, Man Teng, Hua-Wei Li, Hui-Zhen Li, Sheng-Ming Ma, Pu Zhao, Xiu-Jie Li, Rui-Guang Deng, Gai-Ping Zhang, Jun Luo
Gallid alphaherpesvirus 2 (GaHV2) is an oncogenic avian herpesvirus inducing Marek's disease (MD) and rapid-onset T-cell lymphomas. To reveal molecular events in MD pathogenesis and tumorigenesis, the dynamic splenic transcriptome of GaHV2-infected chickens during early infection and pathogenic phases has been determined utilizing RNA-seq. Based on the significant differentially expressed genes (DEGs), analysis of gene ontology, KEGG pathway and protein-protein interaction network has demonstrated that the molecular events happening during GaHV2 infection are highly relevant to the disease course...
September 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28864268/baicalein-induces-cell-death-in-murine-t-cell-lymphoma-via-inhibition-of-thioredoxin-system
#14
Raghavendra S Patwardhan, Debojyoti Pal, Rahul Checker, Deepak Sharma, Santosh K Sandur
We have earlier demonstrated the radioprotective potential of baicalein using murine splenic lymphocytes. Here, we have studied the effect of baicalein on murine T cell lymphoma EL4 cells and investigated the underlying mechanism of action. We observed that baicalein induced a dose dependent cell death in EL4 cells in vitro and significantly reduced the frequency of cancer stem cells. Previously, we have reported that murine and human T cell lymphoma cells have increased oxidative stress tolerance capacity due to active thioredoxin system...
October 2017: International Journal of Biochemistry & Cell Biology
https://www.readbyqxmd.com/read/28807996/klhl6-deficiency-impairs-transitional-b-cell-survival-and-differentiation
#15
Barbara Bertocci, Damiana Lecoeuche, Delphine Sterlin, Julius Kühn, Baptiste Gaillard, Annie De Smet, Frederique Lembo, Christine Bole-Feysot, Nicolas Cagnard, Tatiana Fadeev, Auriel Dahan, Jean-Claude Weill, Claude-Agnès Reynaud
Klhl6 belongs to the KLHL gene family, which is composed of an N-terminal BTB-POZ domain and four to six Kelch motifs in tandem. Several of these proteins function as adaptors of the Cullin3 E3 ubiquitin ligase complex. In this article, we report that Klhl6 deficiency induces, as previously described, a 2-fold reduction in mature B cells. However, we find that this deficit is centered on the inability of transitional type 1 B cells to survive and to progress toward the transitional type 2 B cell stage, whereas cells that have passed this step generate normal germinal centers (GCs) upon a T-dependent immune challenge...
October 1, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/28724724/brct-domain-protein-brit1-influences-class-switch-recombination
#16
Wei-Feng Yen, Ashutosh Chaudhry, Bharat Vaidyanathan, William T Yewdell, Joseph N Pucella, Rahul Sharma, Yulong Liang, Kaiyi Li, Alexander Y Rudensky, Jayanta Chaudhuri
DNA double-strand breaks (DSBs) serve as obligatory intermediates for Ig heavy chain ( Igh ) class switch recombination (CSR). The mechanisms by which DSBs are resolved to promote long-range DNA end-joining while suppressing genomic instability inherently associated with DSBs are yet to be fully elucidated. Here, we use a targeted short-hairpin RNA screen in a B-cell lymphoma line to identify the BRCT-domain protein BRIT1 as an effector of CSR. We show that conditional genetic deletion of BRIT1 in mice leads to a marked increase in unrepaired Igh breaks and a significant reduction in CSR in ex vivo activated splenic B cells...
July 19, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28704638/regulator-of-calcineurin-3-ameliorates-autoimmune-arthritis-by-suppressing-th17-cell-differentiation
#17
Jin-Sil Park, Jeong-Hee Jeong, Jae-Kyeong Byun, Mi-Ae Lim, Eun-Kyung Kim, Sung-Min Kim, Si-Young Choi, Sung-Hwan Park, Jun-Ki Min, Mi-La Cho
Regulator of calcineurin 3 (RCAN3), an endogenous regulator of the calcineurin-nuclear factor of activated T cells (NFAT) signaling pathway, inhibits the phosphatase activity of calcineurin, the nuclear translocation of NFAT, and the NFAT downstream pathway. To investigate the effects of RCAN3 on T-cell regulatory function and the development and progression of inflammatory arthritis, we studied the effects of RCAN3 transfection on regulation of Th17 cell differentiation in a murine T-lymphoma cell line and primary splenic CD4(+) T cells...
September 2017: American Journal of Pathology
https://www.readbyqxmd.com/read/28679993/iatrogenic-immunodeficiency-associated-epstein-barr-virus-ebv-negative-natural-killer-cell-lymphoproliferative-disorder-in-a-patient-undergoing-rheumatoid-arthritis-therapy
#18
Tomoyuki Uchida, Morihiro Inoue, Jian Hua, Shogo Tajima, Yasunori Ota, Masao Hagihara
Here we present a patient with rheumatoid arthritis (RA), who was suspected to have developed malignant lymphoma during immunosuppressive therapy 5 years earlier. She temporarily achieved remission after discontinuing therapy; however, her disease worsened with remittent fever and splenomegaly. Splenic biopsy demonstrated infiltration by abnormal cells, which were positive for CD56 and T cell intracytoplasmic antigen, but negative for CD3 and Epstein-Barr virus (EBV) -encoded RNA. Cytogenetic analysis of bone marrow and lumbar spine tumor revealed common complex karyotype abnormalities...
2017: [Rinshō Ketsueki] the Japanese Journal of Clinical Hematology
https://www.readbyqxmd.com/read/28611188/new-quantitative-features-for-the-morphological-differentiation-of-abnormal-lymphoid-cell-images-from-peripheral-blood
#19
COMPARATIVE STUDY
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...
December 2017: Journal of Clinical Pathology
https://www.readbyqxmd.com/read/28579851/transformation-of-follicular-lymphoma-to-a-high-grade-b-cell-lymphoma-with-myc-and-bcl2-translocations-and-overlapping-features-of-burkitt-lymphoma-and-acute-lymphoblastic-leukemia-a-case-report-and-literature-review
#20
Alina M Bischin, Russell Dorer, David M Aboulafia
Most commonly, histologic transformation (HT) from follicular lymphoma (FL) manifests as a diffuse large B-cell lymphoma, not otherwise specified (DLBCL, NOS). Less frequently, HT may result in a high-grade B-cell lymphoma (HGBL) with MYC and B-cell lymphoma protein 2 (BCL2) and/or BCL6 gene rearrangements, also known as "double-hit" or "triple-hit" lymphomas. In the 2016 revision of the World Health Organization (WHO) classification of lymphoid neoplasms, the category B-cell lymphoma, unclassifiable was eliminated due to its vague criteria and limiting diagnostic benefit...
2017: Clinical Medicine Insights. Blood Disorders
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