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splenic lymphoma

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https://www.readbyqxmd.com/read/29146821/leukemic-presentation-of-diffuse-large-b-cell-lymphoma-an-unusual-pattern-associated-with-splenic-involvement
#1
Genevieve M Crane, Archibald S Perkins
No abstract text is available yet for this article.
November 16, 2017: Blood
https://www.readbyqxmd.com/read/29136691/-tumors-of-lymphoid-and-hematopoietic-tissue-of-spleen-a-clinicopathologic-analysis-of-53-cases
#2
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
#3
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/29110361/hairy-cell-leukemia-2018-update-on-diagnosis-risk-stratification-and-treatment
#4
Xavier Troussard, Edouard Cornet
DISEASE OVERVIEW: Hairy cell leukemia (HCL) and HCL-like disorders, including HCL variant (HCL-V) and splenic diffuse red pulp lymphoma (SDRPL), are a very heterogeneous group of mature lymphoid B-cell disorders, characterized by the identification of hairy cells, a specific genetic profile, a different clinical course and the need for appropriate treatment. DIAGNOSIS: Diagnosis of HCL is based on morphological evidence of hairy cells, an HCL immunologic score of 3 or 4 based on the CD11C, CD103, CD123, and CD25 expression, the trephine biopsy which makes it possible to specify the degree of tumoral medullary infiltration and the presence of BRAF V600E somatic mutation...
December 2017: American Journal of Hematology
https://www.readbyqxmd.com/read/29081197/-clinical-features-and-prognosis-of-17-patients-with-primary-cold-agglutinin-disease
#5
Y Y Wu, X X Cao, H Cai, L Zhang, D B Zhou, J Li
Objective: To explore the clinical characteristics, treatment and prognosis in 17 patients with primary cold agglutinin disease (CAD) . Methods: Clinical data, treatment and survival status of 17 patients diagnosed with primary cold agglutinin disease in Peking Union Medical College Hospital during April 2007 to October 2016 were retrospectively analyzed. The MYD88(L265P) mutation was tested in 4 patients. Results: The median age of 17 patients was 67 years (range, 51-86 years) , and male- to female ratio was 1...
September 14, 2017: Zhonghua Xue Ye Xue za Zhi, Zhonghua Xueyexue Zazhi
https://www.readbyqxmd.com/read/29075958/a-rare-case-of-b-lymphoproliferative-disorder-with-villous-lymphocytes-harboring-t-8-14-q24-q32-translocation
#6
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
#7
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/29042174/results-of-upfront-therapy-for-marginal-zone-lymphoma
#8
José L Ortega, Fernando Cabanillas, Noridza Rivera, Maribel Tirado-Gomez, Deana Hallman, Wandaly I Pardo, Margarita Bruno
BACKGROUND: Marginal zone lymphomas (MZLs) are indolent disorders composed of 3 subtypes: extranodal marginal zone lymphoma (MALT), splenic marginal zone lymphoma (SMZL), and nodal marginal zone lymphoma (NMZL). Early-stage MALT is treated with radiotherapy or antibiotics, and advanced MALT and NMZL are managed with either watch and wait or chemotherapy. SMZLs are treated with splenectomy or rituximab. However, because these approaches have failed to cure patients with SMZL and NMZL, we have systematically used upfront chemotherapy for them, as well as for advanced MALT...
September 23, 2017: Clinical Lymphoma, Myeloma & Leukemia
https://www.readbyqxmd.com/read/29027350/liposome-encapsulated-chemotherapy-current-evidence-for-its-use-in-companion-animals
#9
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...
October 13, 2017: Veterinary and Comparative Oncology
https://www.readbyqxmd.com/read/29018018/acute-pancreatitis-as-an-unusual-presentation-of-primary-splenic-lymphoma
#10
Elisa Gravito-Soares, Marta Gravito-Soares, José Eduardo Pina-Cabral, Luis Tomé
A 51-year-old man with no relevant medical history presents to the emergency department complaining of a recent worsening of few months upper abdominal pain with back radiation and postprandial fullness, without B symptoms. Laboratory analysis showed hyperamylasaemia, elevated lactate dehydrogenase and inflammatory parameters. Abdominal ultrasonography revealed a heterogeneous solid mass in the spleen/splenic hilum with pancreatic parenchyma continuity and no biliary tract dilation or gallstones. A mild acalculous acute pancreatitis diagnosis was made...
October 10, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28975390/clinicopathological-features-of-primary-splenic-follicular-lymphoma
#11
Joji Shimono, Hiroaki Miyoshi, Tomohiko Kamimura, Tetsuya Eto, Takuto Miyagishima, Yuya Sasaki, Daisuke Kurita, Keisuke Kawamoto, Koji Nagafuji, Masao Seto, Takanori Teshima, Koichi Ohshima
Follicular lymphoma (FL) is a low-grade lymphoma that is usually characterized by generalized lymphadenopathy. Extranodal invasion by FL generally involves the bone marrow, skin, and duodenum; splenic infiltration often occurs in the advanced stages. However, primary splenic FL is very rare. Hence, few studies have been performed on splenic FL, and its clinicopathological features have not been established. This study aimed to investigate the clinicopathological features of primary splenic FL, as compared to nodal FL...
October 3, 2017: Annals of Hematology
https://www.readbyqxmd.com/read/28951809/indolent-b-cell-lymphoid-malignancy-in-the-spleen-of-a-man-who%C3%A2-handled-benzene-splenic-marginal-zone-lymphoma
#12
Jihye Lee, Young Joong Kang, Jungho Ahn, Seng-Ho Song
We present the case of a 45-year-old man with a history of benzene exposure who developed splenic marginal zone lymphoma. For 6 years, he had worked in an enclosed space cleaning instruments with benzene. He was diagnosed with splenic marginal zone lymphoma 19 years after retirement. During his time of working in the laboratory in the 1980s, working environments were not monitored for hazardous materials. We indirectly estimated the cumulative level of past benzene exposure using job-exposure matrices and technical assumptions...
September 2017: Safety and Health At Work
https://www.readbyqxmd.com/read/28939756/efficient-induction-of-ig-gene-hypermutation-in-ex-vivo-activated-primary-b-cells
#13
Jun Liu, Ermeng Xiong, Hanying Zhu, Hiromi Mori, Shoya Yasuda, Kazuo Kinoshita, Takeshi Tsubata, Ji-Yang Wang
Activation-induced cytidine deaminase (AID) initiates both somatic hypermutation (SHM) and class switch recombination (CSR) of Ig genes. How AID is targeted to the Ig V gene and switch region to trigger SHM and CSR remains elusive. Primary B cells stimulated with CD40L plus IL-4 or LPS plus IL-4 undergo efficient CSR, but it has been difficult to induce SHM in these cells. In the current study, we used B cells from B1-8(hi) mice carrying a prerecombined VH186.2DFL16.1JH2 Ab gene to investigate the induction of SHM under in vitro culture conditions...
November 1, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/28912500/dynamic-changes-in-the-splenic-transcriptome-of-chickens-during-the-early-infection-and-progress-of-marek-s-disease
#14
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/28902958/nonregenerative-immune-mediated-anemia-associated-with-a-diffuse-large-b-cell-lymphoma-in-a-captive-jaguar-panthera-onca
#15
Monika A Keresztes, Manfred Henrich, Penelope Baloi, Sascha Gerst, Jens-Christian Rudnick, Judith Langenstein, Andreas Moritz, Natali Bauer
An 18-year-old male castrated jaguar (Panthera onca) was presented with anorexia and continuous bleeding from the oral cavity after a history of fighting with the partner animal. Clinical evaluation revealed ulcerating lesions on the gingiva and hard palate and a hematoma on the tongue. Computed tomography of the head and endoscopic examination of the esophagus and stomach were unremarkable. Hematology and clinical chemistry revealed severe nonregenerative anemia, mild thrombocytopenia, and moderate azotemia...
September 13, 2017: Veterinary Clinical Pathology
https://www.readbyqxmd.com/read/28892912/important-diagnostic-clues-for-diagnosing-splenic-marginal-zone-lymphoma-in-absence-of-splenic-histology
#16
Anisha Mohanpuria, Vijay Kumar, Pooja Suteri, Sadhna Marwah, Abhay Shankar Nigam
Splenic Marginal Zone Lymphoma (SMZL) is a rare B-cell neoplasm comprising less than 2% of non-Hodgkin lymphomas. We hereby report a case of SMZL in a 66-year-old female who presented with fever and massive splenomegaly. Peripheral blood smear examination showed atypical lymphoid cells showing variable cytoplasmic processes. Flowcytometric immunophenotyping of peripheral blood showed tumour cells which were found to be positive for CD19, CD79b and showing kappa light chain restriction along with lack of expression for CD5, CD10, CD23, CD103 and lambda...
July 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28892161/a-gene-is-known-by-the-company-it-keeps-enrichment-of-tnfaip3-gene-aberrations-in-malt-lymphomas-expressing-ighv4-34-antigen-receptors
#17
Andreas Agathangelidis, Aliki Xochelli, Kostas Stamatopoulos
Associations between immunoglobulin (IG) receptors with distinctive immunogenetic features and particular gene mutations are a recurring theme in mature B-cell lymphomas. Relevant observations have been made in chronic lymphocytic leukemia (CLL), where gene mutations are distributed asymmetrically in cases bearing or not somatic hypermutations within the clonotypic immunoglobulin heavy chain variable region (IGHV) genes (e.g. TP53 mutations predominate in IG-unmutated CLL, whereas the opposite is seen for MYD88 mutations, enriched in IG-mutated CLL) and in subsets of cases with stereotyped IG (enrichment for SF3B1 mutations in CLL subset #2)...
September 11, 2017: Journal of Pathology
https://www.readbyqxmd.com/read/28887496/differential-gene-expression-profiling-linked-to-tumor-progression-of-splenic-marginal-zone-lymphoma
#18
Tomonori Higuchi, Yumiko Hashida, Ayuko Taniguchi, Mikio Kamioka, Masanori Daibata
The genetic events that lead to aggressive transformation of cases of splenic marginal zone lymphoma (SMZL) after the chronic clinical stage have not been well understood. We aimed to find candidate genes associated with aggressive features of SMZL. We have successfully established two SMZL cell lines, designated SL-15 and SL-22, derived from the same patient's tumor clone in chronic and aggressive phases, respectively. Microarray analysis identified cell cycle-associated genes-specifically PLK1-as the most significantly upregulated in primary aggressive SMZL cells compared with cells from chronic phase...
September 8, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28880462/indeterminate-dendritic-cell-neoplasm-of-the-skin-a-2-case-report-and-review-of-the-literature
#19
Pedro Horna, Haipeng Shao, Afshan Idrees, L Frank Glass, Carlos A Torres-Cabala
Indeterminate dendritic cell neoplasm (IDCN) is an exceedingly rare and mostly cutaneous histiocytosis, frequently associated with other hematopoietic malignancies. We report 2 cases of multilesional cutaneous IDCN. A 55-year-old male with no associated malignancy and complete response to ultraviolet phototherapy; and a 72-year-old male with chronic myelomonocytic leukemia (CMML). Both cases showed histiocytoid cytology, positivity for CD1a and no expression of langerin or BRAF(V600E) . With our patients, the literature describes 79 cases of IDCNs, including 65 (82%) with only skin involvement, 7 cases (9%) with involvement of skin and a second site, 5 cases (6%) involving lymph nodes only, 1 splenic lesion and 1 systemic disease...
November 2017: Journal of Cutaneous Pathology
https://www.readbyqxmd.com/read/28864268/baicalein-induces-cell-death-in-murine-t-cell-lymphoma-via-inhibition-of-thioredoxin-system
#20
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
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