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Small lymphocytic lymphoma

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https://www.readbyqxmd.com/read/27905140/herpes-simplex-infection-simulating-richter-transformation-a-series-of-four-cases-and-review-of-the-literature
#1
Alireza Salem, Sanam Loghavi, Joseph D Khoury, Rose Lou Marie C Agbay, Jeffrey L Jorgensen, Jeffrey L Medeiros
AIMS: Richter transformation (RT) occurs in 5-10% of patients with chronic lymphocytic leukemia/small lymphocytic lymphoma (CLL/SLL) and is associated with a poor outcome. Histologic manifestations of RT are variable and include an increase in the proportion of large cells including prolymphocytes, immunoblasts and other pleomorphic cells along with an increased proliferation rate and often necrosis. Rarely, superimposed Herpes simplex virus (HSV) infection involving lymph nodes in patients with CLL/SLL may mimic RT clinically and histologically...
December 1, 2016: Histopathology
https://www.readbyqxmd.com/read/27899414/sentinel-case-of-richter-transformation-from-chronic-lymphocytic-leukaemia-small-lymphocytic-lymphoma-to-cd3-diffuse-large-b-cell-lymphoma
#2
Ali Ismail, Jawed A Mallick, Dahui Qin, Mohammad O Hussaini
AIM: To report the first case of a Richter syndrome where small lymphocytic lymphoma (SLL) progressed to a CD3+ diffuse large B-cell lymphoma (DLBCL). METHODS: Macrodissection of small and large cell lymphomatous components was performed. This was followed by flow cytometric analysis along with molecular B-cell immunoglobulin (heavy and light chains) and T-cell receptor (γ and β chains) gene rearrangement studies to investigate a clonal relationship between the components...
November 29, 2016: Journal of Clinical Pathology
https://www.readbyqxmd.com/read/27895166/t-cell-rich-lymphoid-infiltrates-with-large-b-cells-a-review-of-key-entities-and-diagnostic-approach
#3
REVIEW
Chee Leong Cheng, Simon O'Connor
Accurate diagnostic interpretation of a lymphoid population composed predominantly of small T cells, together with smaller numbers of large B cells, with or without a nodular architecture, is a common problem faced by the histopathologist. The differential diagnosis of this histological pattern is wide, ranging from reactive conditions such as drug reactions and viral infections, through borderline entities such as immunodeficiency-related lymphoproliferative disorders to lymphomas. The latter includes entities where the large B cells are primarily neoplastic (classical and nodular lymphocyte-predominant Hodgkin lymphomas and T cell/histiocyte-rich large B cell lymphoma) as well as T cell lymphomas such as angioimmunoblastic T cell lymphoma where the large B cells represent an epiphenomenon and may or may not be neoplastic...
November 28, 2016: Journal of Clinical Pathology
https://www.readbyqxmd.com/read/27888658/a-case-of-composite-classical-and-nodular-lymphocyte-predominant-hodgkin-lymphoma-with-progression-to-diffuse-large-b-cell-non-hodgkin-lymphoma-diagnostic-difficulty-in-fine-needle-aspiration-cytology
#4
Dilip K Das, Zafar A Sheikh, Mariam H Al-Shama'a, Bency John, Abdulla M S Alawi, Thamradeen A Junaid
A small percentage of nodular lymphocytic predominant Hodgkin lymphoma (NLPHL) progresses to diffuse large B-cell lymphoma (DLBCL). There have also been rare reports of gray zone lymphoma with features intermediate between classical Hodgkin lymphoma (CHL) and DLBCL. We report a very rare case of composite lymphoma (CHL and NLPHL) progressing to DLBCL, and highlight the diagnostic difficulty faced during its fine-needle aspiration (FNA) cytology diagnosis. A 65-year-old woman presented with a right axillary swelling which was subjected to FNA cytology...
November 26, 2016: Diagnostic Cytopathology
https://www.readbyqxmd.com/read/27868373/acute-myeloid-leukemia-in-baraitser-winter-cerebrofrontofacial-syndrome
#5
Paola Cianci, Grazia Fazio, Sara Casagranda, Marco Spinelli, Carmelo Rizzari, Gianni Cazzaniga, Angelo Selicorni
Baraitser-Winter malformation syndrome (BWMS), Fryns-Aftimos syndrome (FA), and craniofrontofacial syndromes (CFFs) have all been recently proposed to be part of the same phenotypic spectrum of Baraitser-Winter cerebrofrontofacial syndrome (BWCFF), which is characterized by facial dysmorphism, ocular coloboma, brain malformations, and intellectual disabilities. In addition to that, the recent discovery of missense mutations in one of the two ubiquitously expressed cytoplasmic β- and γ-acting-encoding genes ACTB (7p22...
November 21, 2016: American Journal of Medical Genetics. Part A
https://www.readbyqxmd.com/read/27861844/periodontal-disease-and-risk-of-non-hodgkin-lymphoma-in-the-health-professionals-follow-up-study
#6
Kimberly A Bertrand, Janki Shingala, Andrew Evens, Brenda M Birmann, Edward Giovannucci, Dominique S Michaud
Periodontal disease is a chronic inflammatory condition that has been associated with chronic diseases, including cancer. In an earlier prospective cohort analysis within the Health Professionals Follow-Up Study (HPFS), we observed a 31% higher risk of non-Hodgkin lymphoma (NHL) among participants with severe periodontal disease at baseline. Here, we extend the study with an additional 8 years of follow-up, and conduct analyses with updated periodontal disease status and NHL subtypes. The HPFS is an ongoing prospective cohort study of 51,529 men in the U...
November 15, 2016: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/27861596/pd-l1-status-in-refractory-lymphomas
#7
Semir Vranic, Nilanjan Ghosh, Jeffery Kimbrough, Nurija Bilalovic, Ryan Bender, David Arguello, Yvonne Veloso, Aida Dizdarevic, Zoran Gatalica
Targeted immunotherapy based on PD-1/PD-L1 suppression has revolutionized the treatment of various solid tumors. A remarkable improvement has also been observed in the treatment of patients with refractory/relapsing classical Hodgkin lymphoma (cHL). We investigated PD-L1 status in a variety of treatment resistant lymphomas. Tumor samples from 78 patients with therapy resistant lymphomas were immunohistochemically (IHC) investigated for the expression of PD-L1 using two antibody clones (SP142 and SP263, Ventana)...
2016: PloS One
https://www.readbyqxmd.com/read/27845870/differences-in-health-care-use-and-costs-among-patients-with-cancer-receiving-intravenous-chemotherapy-in-physician-offices-versus-in-hospital-outpatient-settings
#8
Maxine D Fisher, Rajeshwari Punekar, Yeun Mi Yim, Arthur Small, Joseph R Singer, Jay Schukman, Barbara L McAneny, Rakesh Luthra, Jennifer Malin
PURPOSE: The current shift in site of care from community oncology practices to the hospital outpatient department to deliver oncology services may have significant implications for the economic and clinical outcomes of cancer care. Therefore, this study compares health care use and costs among patients with cancer receiving intravenous (IV) chemotherapy in physician offices (PO) versus in hospital outpatient settings (HOP). METHODS: This retrospective study, which was based on medical and pharmacy claims data, included patients (age, 18 to 64 years) initiating IV chemotherapy/biologic treatment between January 1, 2006, and August 31, 2012, who were diagnosed with early or metastatic breast cancer, metastatic lung cancer, metastatic colorectal cancer, or non-Hodgkin lymphoma or chronic lymphocytic leukemia...
November 15, 2016: Journal of Oncology Practice
https://www.readbyqxmd.com/read/27826666/erratum-to-rare-association-of-cystic-squamous-cell-carcinoma-and-small-lymphocytic-b%C3%A2-cell-lymphoma-successful-surgical-approach
#9
Uwe Wollina, Jacqueline Schönlebe, Birgit Heinig, Andreas Nowak, Anastasiya Atanasova Chokoeva, Georgi Tchernev
No abstract text is available yet for this article.
November 8, 2016: Wiener Medizinische Wochenschrift
https://www.readbyqxmd.com/read/27825464/prognostic-factors-and-indications-for-treatment-of-waldenstr%C3%A3-m-s-macroglobulinemia
#10
REVIEW
Robert A Kyle, Stephen M Ansell, Prashant Kapoor
Waldenström's Macroglobulinemia (WM) is characterized by the presence of an IgM monoclonal protein regardless of its size, 10% or more bone marrow infiltration by small lymphocytes with a plasmacytoid or plasma cell differentiation. These cells usually have the following markers: IgM+, CD5(-), CD10(-), CD19(+), CD20(+) and CD23(-). Chronic lymphocytic leukemia as well as other lymphoproliferative disorders such as mantle cell, marginal zone and mucosa-associated lymphoid tissue (MALT) lymphoma must be excluded...
June 2016: Best Practice & Research. Clinical Haematology
https://www.readbyqxmd.com/read/27820970/pharmacovigilance-during-ibrutinib-therapy-for-chronic-lymphocytic-leukemia-cll-small-lymphocytic-lymphoma-sll-in-routine-clinical-practice
#11
Heidi D Finnes, Kari G Chaffee, Timothy G Call, Wei Ding, Saad S Kenderian, Deborah A Bowen, Michael Conte, Kristen B McCullough, Julianna A Merten, Gabriel T Bartoo, Matthew D Smith, Jose Leis, Asher Chanan-Khan, Susan M Schwager, Susan L Slager, Neil E Kay, Tait D Shanafelt, Sameer A Parikh
Due to Cytochrome P450 3A (CYP3A) metabolism, clinical trials of ibrutinib-treated chronic lymphocytic leukemia (CLL) patients prohibited concurrent medications metabolized by CYP3A. We evaluated concomitant medication use in 118 ibrutinib-treated CLL patients outside the context of clinical trials. Seventy-five (64%) patients were on medications that could increase ibrutinib toxicity and 4 (3%) were on drugs that could decrease ibrutinib efficacy. Nineteen (16%) patients were on concomitant CYP3A inhibitors (11 moderate, 8 strong), and 4 (3%) were on CYP3A inducers (two patients were on both CYP3A inhibitors and inducers)...
November 8, 2016: Leukemia & Lymphoma
https://www.readbyqxmd.com/read/27813229/characterization-of-a-pcr-based-lymphocyte-clonality-assay-as-a-complementary-tool-for-the-diagnosis-of-feline-lymphoma
#12
S E Hammer, S Groiss, A Fuchs-Baumgartinger, N Nedorost, V Gress, N Luckschander-Zeller, A Saalmüller, I Schwendenwein, B C Rütgen
Differentiation between resident mature lymphocyte populations and small cell lymphoma cannot be made by cytological review alone and remains challenging in histopathological review. These cases warrant application of complementary tools like PCR-based immunoglobulin (IG) and T-cell receptor (TCR) clonality testing for confirmation. In this prospective study, diagnostic sensitivity and specificity of different primer sets for routine diagnosis of feline TCR gamma (TCRG) and complete IG heavy chain (IGH) gene rearrangements were assessed...
November 4, 2016: Veterinary and Comparative Oncology
https://www.readbyqxmd.com/read/27806839/proliferation-centers-in-bone-marrows-involved-by-chronic-lymphocytic-leukemia-small-lymphocytic-lymphoma-a-clinicopathologic-analysis
#13
Jason C Chang, Alexandra M Harrington, Horatiu Olteanu, Peter VanTuinen, Steven H Kroft
OBJECTIVES: Proliferation centers (PCs) are a characteristic finding in chronic lymphocytic leukemia/small lymphocytic lymphoma (CLL/SLL) lymph nodes, and their presence and extent in this site are not currently felt to be related to clinical course. In contrast, detailed clinicopathologic analyses of bone marrow (BM) PCs have not been previously reported. METHODS: The PCs in 88 CLL/SLL BMs from 45 patients (pts) were graded (0-4) and were correlated with other morphologic, immunophenotypic, cytogenetic, and laboratory features...
December 2016: Annals of Diagnostic Pathology
https://www.readbyqxmd.com/read/27806433/targeting-bcl2-with-bh3-mimetics-basic-science-and-clinical-application-of-venetoclax-in-cll-and-related-b-cell-malignancies
#14
Andrew W Roberts, David C S Huang
The intracellular protein B-cell-lymphoma-2 (BCL2) has been considered an attractive target for cancer therapy since the discovery of its function as a major promoter of cell survival (an anti-apoptotic) in the late 1980s. However, the challenges of targeting a protein-protein interaction delayed the discovery of fit-for-purpose molecules until the mid-2000s. Since then, a series of high affinity small organic molecules that inhibits the interaction of BCL2 with the apoptotic machinery, the so-called BH3-mimetics, have been developed...
November 2, 2016: Clinical Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/27802434/outcome-comparison-of-allogeneic-versus-autologous-stem-cell-transplantation-in-transformed-low-grade-lymphoid-malignancies-a-systematic-review-and-pooled-analysis-of-comparative-studies
#15
Seongseok Yun, Nicole D Vincelette, Ivo Abraham, Soham Puvvada, Faiz Anwer
BACKGROUND: Some patients with low-grade lymphoid malignancies develop transformed disease, requiring stem cell transplantation (SCT). SCT outcomes in transformed low-grade lymphoid malignancies may differ from those of nontransformed disease or other aggressive non-Hodgkin lymphomas. We conducted a pooled analysis of the clinical outcomes of allogeneic versus high-dose therapy (HDT) with autologous SCT in adult patients with transformed low-grade lymphoid malignancies. METHODS: A PubMed, EMBASE, and Cochrane search yielded 4 comparative studies reporting allogeneic versus HDT with autologous SCT outcomes in adults (age ≥18) with transformed low-grade lymphoid malignancies, including follicular, chronic/small lymphocytic, and marginal zone lymphoma...
2016: Acta Haematologica
https://www.readbyqxmd.com/read/27801729/richter-syndrome-with-plasmablastic-lymphoma-at-primary-diagnosis-a-case-report-with-a-review-of-the-literature
#16
Andrea Ronchi, Laura Marra, Ferdinando Frigeri, Gerardo Botti, Renato Franco, Annarosaria De Chiara
Richter syndrome (RS) is considered as the rare development of an aggressive lymphoid malignancy in a preexisting small lymphocytic lymphoma/chronic lymphocytic leukemia. The most common aggressive lymphoma developing in this setting is diffuse large B-cell lymphoma, but classical Hodgkin lymphoma and other much rarer entities such as prolymphocytic lymphoma and dendritic cell sarcoma are also described, most frequently in the progression of the disease over time. A clonal relation between the 2 neoplastic proliferations can be frequently found, whereas clonally unrelated cases are commonly considered as independent tumors, probably due to a variable combination of multiple causes, responsible independently for the 2 neoplasms...
October 31, 2016: Applied Immunohistochemistry & Molecular Morphology: AIMM
https://www.readbyqxmd.com/read/27750483/the-cdk-inhibitor-at7519m-in-patients-with-relapsed-or-refractory-chronic-lymphocytic-leukemia-cll-and-mantle-cell-lymphoma-a-phase-ii-study-of-the-canadian-cancer-trials-group
#17
Matthew D Seftel, John Kuruvilla, Tom Kouroukis, Versha Banerji, Graeme Fraser, Michael Crump, Rajat Kumar, Haji I Chalchal, Muhammad Salim, Rob C Laister, Susan Crocker, Spencer B Gibson, Marcia Toguchi, John F Lyons, Hao Xu, Jean Powers, Joana Sederias, Lesley Seymour, Annette E Hay
AT7519M is a small molecule inhibitor of cyclin-dependent kinases 1, 2, 4, 5, and 9 with in vitro activity against lymphoid malignancies. In two concurrent Phase II trials, we evaluated AT7519M in relapsed or refractory chronic lymphocytic leukemia (CLL) and mantle cell lymphoma (MCL) using the recommended Phase II dosing of 27 mg/m(2) twice weekly for 2 of every 3 weeks. Primary objective was objective response rate (ORR). Nineteen patients were accrued (7 CLL, 12 MCL). Four CLL patients achieved stable disease (SD)...
October 17, 2016: Leukemia & Lymphoma
https://www.readbyqxmd.com/read/27721293/expression-pattern-of-programmed-death-1-in-lymphocyte-rich-classical-hodgkin-lymphoma-according-to-the-growth-patterns
#18
Jai Hyang Go
We present a rare case of lymphocyte-rich classical Hodgkin lymphoma (LRCHL), which exhibited different expression patterns of programmed death-1 (PD-1) in nodular and interfollicular areas. A 57-year-old male patient presented with neck masses. Neck computed tomography showed enlargement of multiple lymph nodes in right Level II and III. Histologic examination of the excised lymph node revealed LRCHL with nodular and interfollicular patterns. Immunohistochemical analysis for PD-1 revealed a small number of weakly stained cells in the interfollicular area...
October 2016: Indian Journal of Pathology & Microbiology
https://www.readbyqxmd.com/read/27716624/targeting-the-hexosamine-biosynthetic-pathway-and-o-linked-n-acetylglucosamine-cycling-for-therapeutic-and-imaging-capabilities-in-diffuse-large-b-cell-lymphoma
#19
Lan V Pham, Jerry L Bryant, Richard Mendez, Juan Chen, Archito T Tamayo, Zijun Y Xu-Monette, Ken H Young, Ganiraju C Manyam, David Yang, L Jeffrey Medeiros, Richard J Ford
The hexosamine biosynthetic pathway (HBP) requires two key nutrients glucose and glutamine for O-linked N-acetylglucosamine (O-GlcNAc) cycling, a post-translational protein modification that adds GlcNAc to nuclear and cytoplasmic proteins. Increased GlcNAc has been linked to regulatory factors involved in cancer cell growth and survival. However, the biological significance of GlcNAc in diffuse large B-cell lymphoma (DLBCL) is not well defined. This study is the first to show that both the substrate and the endpoint O-GlcNAc transferase (OGT) enzyme of the HBP were highly expressed in DLBCL cell lines and in patient tumors compared with normal B-lymphocytes...
October 3, 2016: Oncotarget
https://www.readbyqxmd.com/read/27688607/plasma-epstein-barr-virus-and-hepatitis-b-virus-in-non-hodgkin-lymphomas-two-lymphotropic-potentially-oncogenic-latently-occurring-dna-viruses
#20
Mahua Sinha, Clementina Rama Rao, C S Premalata, Mohammed Shafiulla, K C Lakshmaiah, Linu Abraham Jacob, Govind K Babu, B K Viveka, L Appaji, Jayshree R Subramanyam
CONTEXT: There is a need to study potential infective etiologies in lymphomas. Lymphocyte-transforming viruses can directly infect lymphocytes, disrupt normal cell functions, and promote cell division. Epstein-Barr virus (EBV) is known to be associated with several lymphomas, especially Hodgkin lymphomas (HLs). And recently, the lymphocyte-transforming role of hepatitis B virus (HBV) has been emphasized. AIMS: The aim of this study was to elucidate the association of two potentially oncogenic, widely prevalent latent DNA viruses, EBV and HBV, in non-HL (NHL)...
July 2016: Indian Journal of Medical and Paediatric Oncology
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