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Lymphocytic lymphoma

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https://www.readbyqxmd.com/read/30120894/liver-complications-following-treatment-of-hematologic-malignancy-with-anti-cd22-calicheamicin-inotuzumab-ozogamicin
#1
George B McDonald, James W Freston, James L Boyer, Laurie D DeLeve
BACKGROUND AND RATIONALE: Treatment of hematologic malignancy with antibody-drug conjugates (ADC) may cause liver injury. ADCs deliver a toxic moiety into antigen-expressing tumor cells but may also injure hepatic sinusoids (Sinusoidal Obstruction Syndrome, SOS). We studied patients who received an anti-CD22-calicheamicin conjugate (inotuzumab ozogamicin) to gain insight into mechanisms of sinusoidal injury, as there are no CD22+ cells in the normal liver but non-specific uptake of ADCs by liver sinusoidal endothelial cells...
August 18, 2018: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/30119858/lymphoma-images-analysis-using-morphological-and-non-morphological-descriptors-for-classification
#2
Marcelo Zanchetta do Nascimento, Alessandro Santana Martins, Thaína Aparecida Azevedo Tosta, Leandro Alves Neves
Mantle cell lymphoma, follicular lymphoma and chronic lymphocytic leukemia are the principle subtypes of the non-Hodgkin lymphomas. The diversity of clinical presentations and the histopathological features have made diagnosis of such lymphomas a complex task for specialists. Computer aided diagnosis systems employ computational vision and image processing techniques, which contribute toward the detection, diagnosis and prognosis of digitised images of histological samples. Studies aimed at improving the understanding of morphological and non-morphological features for classification of lymphoma remain a challenge in this area...
September 2018: Computer Methods and Programs in Biomedicine
https://www.readbyqxmd.com/read/30116888/immunohistochemical-and-selected-genetic-reflex-testing-of-all-uterine-leiomyosarcomas-and-stumps-for-alk-gene-rearrangement-may-provide-an-effective-screening-tool-in-identifying-uterine-alk-rearranged-mesenchymal-tumors
#3
Nikola Ptáková, Markéta Miesbauerová, Ján Kosťun, Petr Grossmann, Henrieta Šidlová, Jaroslav Pavelka, Jiří Presl, Reza Alaghehbandan, Jiří Bouda, Ondrej Ondič
We examined the value of targeted molecular screening for the identification of uterine anaplastic lymphoma kinase (ALK)-rearranged mesenchymal tumors, including ALK immunohistochemistry followed by molecular genetic testing, in all uterine leiomyosarcomas and STUMPs (smooth muscle tumors of uncertain malignant potential). All leiomyosarcoma and STUMP cases diagnosed in a 10-year period (2006-2016) at Charles University Faculty of Medicine in Pilsen were retrieved and reviewed. Of 23 cases, one case (LMS [leiomyosarcoma]) was positive for ALK rearrangement, namely, PPP1CB-ALK fusion gene...
August 16, 2018: Virchows Archiv: An International Journal of Pathology
https://www.readbyqxmd.com/read/30115596/bendamustine-followed-by-obinutuzumab-and-venetoclax-in-chronic-lymphocytic-leukaemia-cll2-bag-primary-endpoint-analysis-of-a-multicentre-open-label-phase-2-trial
#4
Paula Cramer, Julia von Tresckow, Jasmin Bahlo, Sandra Robrecht, Petra Langerbeins, Othman Al-Sawaf, Anja Engelke, Anna-Maria Fink, Kirsten Fischer, Eugen Tausch, Till Seiler, Ludwig Fischer von Weikersthal, Holger Hebart, Karl-Anton Kreuzer, Sebastian Böttcher, Matthias Ritgen, Michael Kneba, Clemens-Martin Wendtner, Stephan Stilgenbauer, Barbara Eichhorst, Michael Hallek
BACKGROUND: Targeted agents such as the type II anti-CD20 antibody obinutuzumab and the B-cell lymphoma-2 antagonist venetoclax have shown impressive therapeutic activity in chronic lymphocytic leukaemia. The CLL2-BAG trial was initiated to investigate the combination of these two agents in patients with chronic lymphocytic leukaemia. METHODS: In this ongoing multicentre, open-label, investigator-initiated phase 2 trial, patients (aged ≥18 years) with chronic lymphocytic leukaemia requiring treatment according to the 2008 International Workshop on Chronic Lymphocytic Leukemia (IWCLL) criteria and an Eastern Cooperative Oncology Group performance status of 0-2 were enrolled at 16 sites in Germany...
August 13, 2018: Lancet Oncology
https://www.readbyqxmd.com/read/30111434/-research-progress-on-diagnosis-and-treatment-of-b-cell-chronic-lymphoproliferative-disease-review
#5
Yue-Yang Li, Dong-Zhi Hu, Chen Tian
The 2016 world health organization (WHO) classification of B cell chronic lymphoproliferative disease (B-CLPD) includes chronic lymphocytic leukemia (CLL), B prolymphocytic leukemia, (B-PLL), hairy cell leukemia (HCL), marginal zone lymphoma (MZL), follicular lymphoma (FL), mantle cell lymphoma (MCL), Waldenstrom macroglobulinemia (LPL/WM). All the above-mentioned diseases are partially similar in cell morphology, immunophenotype and molecular genetics, but significantly different in treatment and prognosis...
August 2018: Zhongguo Shi Yan Xue Ye Xue za Zhi
https://www.readbyqxmd.com/read/30109179/the-application-of-car-t-cell-therapy-in-hematological-malignancies-advantages-and-challenges
#6
REVIEW
Zijun Zhao, Yu Chen, Ngiambudulu M Francisco, Yuanqing Zhang, Minhao Wu
Chimeric antigen receptor T cell (CAR-T cell) therapy is a novel adoptive immunotherapy where T lymphocytes are engineered with synthetic receptors known as chimeric antigen receptors (CAR). The CAR-T cell is an effector T cell that recognizes and eliminates specific cancer cells, independent of major histocompatibility complex molecules. The whole procedure of CAR-T cell production is not well understood. The CAR-T cell has been used predominantly in the treatment of hematological malignancies, including acute lymphoblastic leukemia, chronic lymphocytic leukemia, lymphoma, and multiple myeloma...
July 2018: Acta Pharmaceutica Sinica. B
https://www.readbyqxmd.com/read/30107677/-hodgkin-lymphoma-transformation-of-chronic-lymphocytic-leukemia-report-of-a-case
#7
L Feng, L Z Zhang, W J Qi, J F Wang, H W Guan, D Chen
No abstract text is available yet for this article.
August 8, 2018: Zhonghua Bing Li Xue za Zhi Chinese Journal of Pathology
https://www.readbyqxmd.com/read/30106758/lymphocyte-to-monocyte-ratio-may-serve-as-a-better-prognostic-indicator-than-tumor-associated-macrophages-in-dlbcl-treated-with-rituximab
#8
Eri Matsuki, Olga L Bohn, Siraj El Jamal, Janine D Pichardo, Andrew D Zelenetz, Anas Younes, Julie Teruya-Feldstein
There are multiple prognostic indicators for diffuse large B-cell lymphoma (DLBCL) including the international prognostic index (IPI), and gene expression profiling (GEP) to classify the disease into germinal center B-cell and activated B-cell subtypes, the latter harboring inferior prognosis. More recently, tumor-associated macrophages (TAM) and lymphocyte-to-monocyte ratio (LMR) were found to have prognostic implications in DLBCL. However, consensus is yet to be reached in terms of the significance of each...
August 13, 2018: Applied Immunohistochemistry & Molecular Morphology: AIMM
https://www.readbyqxmd.com/read/30105896/ameloblastin-attenuates-rankl-mediated-osteoclastogenesis-by-suppressing-activation-of-nuclear-factor-of-activated-t-cell-cytoplasmic-1-nfatc1
#9
Wichida Chaweewannakorn, Wataru Ariyoshi, Toshinori Okinaga, Yuko Fujita, Kenshi Maki, Tatsuji Nishihara
Ameloblastin (Ambn) is an extracellular matrix protein and member of the family of enamel-related gene products. Like amelogenin, Ambn is mainly associated with tooth development, especially biomineralization of enamel. Previous studies have shown reductions in the skeletal dimensions of Ambn-deficient mice, suggesting that the protein also has effects on the differentiation of osteoblasts and/or osteoclasts. However, the specific pathways used by Ambn to influence osteoclast differentiation have yet to be identified...
August 13, 2018: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/30102646/multiple-cavitary-lung-lesions-in-an-adolescent-case-report-of-a-rare-presentation-of-nodular-lymphocyte-predominant-hodgkin-lymphoma
#10
Moaaz Soliman, Fatima Neemuchwala, Amanda Sankar, Rama Jasty, Raja Rabah, Antonia P Popova, Erika A Newman
A 14-year-old male patient presented with a nonproductive cough, weight loss, fatigue, and malaise. A chest radiograph showed large bilateral cavitary lung lesions in both upper and lower lobes that failed to improve with antibiotics and anti-inflammatory medications. Infectious and rheumatologic work-ups were negative. Thoracoscopic lung biopsies were diagnostic for nodular lymphocyte predominant Hodgkin lymphoma (NLPHL). The patient received combination chemotherapy and immunotherapy based on current treatment standards with an excellent clinical response...
August 10, 2018: Journal of Pediatric Hematology/oncology
https://www.readbyqxmd.com/read/30101916/a-case-of-neurolymphomatosis-in-the-cauda-equina-diagnosed-by-an-open-biopsy
#11
Ryo Sasaki, Yasuyuki Ohta, Yuto Yamada, Koh Tadokoro, Yoshiaki Takahashi, Kota Sato, Jingwei Shang, Mami Takemoto, Nozomi Hishikawa, Toru Yamashita, Takao Yasuhara, Isao Date, Shuntaro Ikegawa, Nobuharu Fujii, Koji Abe
Neurolymphomatosis is a rare form of extranodal malignant lymphoma defined as the infiltration of malignant lymphocytes into the central or peripheral nerve. We herein report a case of neurolymphomatosis in the cauda equina diagnosed by an open surgical biopsy. He presented with muscle weakness, atrophy, numbness and hypoesthesia in the bilateral lower extremities with the accumulation of 18 fluoro-2-deoxyglucose (FDG) in the bilateral cauda equina. Cerebrospinal fluid (CSF) cytology (three times) and flow cytometry (two times) and biopsies of the left sural nerve, bone marrow, paranasal sinus and left testis were all negative for malignancy, so finally we performed a surgical open biopsy of the cauda equina by laminectomy and diagnosed him with diffuse large B-cell lymphoma (DLBCL) in the cauda equina...
August 10, 2018: Internal Medicine
https://www.readbyqxmd.com/read/30101129/microenvironment-cell-contribution-to-lymphoma-immunity
#12
REVIEW
Deepika Kumar, Mina L Xu
Lymphoma microenvironment is a complex system composed of stromal cells, blood vessels, immune cells as well as extracellular matrix, cytokines, exosomes, and chemokines. In this review, we describe the function, localization, and interactions between various cellular components. We also summarize their contribution to lymphoma immunity in the era of immunotherapy. Publications were identified from searching Pubmed. Primary literature was carefully evaluated for replicability before incorporating into the review...
2018: Frontiers in Oncology
https://www.readbyqxmd.com/read/30097229/anthropometric-factors-and-non-hodgkin-s-lymphoma-risk-systematic-review-and-meta-analysis-of-prospective-studies
#13
REVIEW
Khemayanto Hidayat, Hui-Juan Li, Bi-Min Shi
The associations between anthropometric factors and non-Hodgkin's lymphoma (NHL) risk remain inconclusive. A meta-analysis was performed to clarify these associations. PubMed and Web of Science were searched for relevant prospective observational studies. A random-effects model was used to generate the summary relative risks (RRs) with 95% confidence intervals (CIs). A total of 22 prospective cohort studies, with over 20,000 NHL cases, were included in the present meta-analysis. The summary RRs of NHL risk were 1...
September 2018: Critical Reviews in Oncology/hematology
https://www.readbyqxmd.com/read/30095154/incidence-and-outcomes-of-lymphoid-malignancies-in-adolescent-and-young-adult-patients-in-the-united-states
#14
Kristie A Blum, Frank G Keller, Sharon Castellino, Anh Phan, Christopher R Flowers
Lymphoma incidence and survival in adolescent and young adult (AYA, defined as 15-39 years of age) and adult patients (>39 years) were assessed using Surveillance, Epidemiology, and End Results (SEER) data. From 2000 to 2014, 431 721 lymphoma cases were reported to SEER, 9% in AYA patients. In the AYA group, the highest age-adjusted incidence rate was for classical Hodgkin lymphoma [HL; 3·4 per 100 000 person-years; 95% confidence interval (CI), 3·38-3·49] followed by diffuse large B cell lymphoma (DLBCL; 1·56, 95% CI, 1·53-1·60) and for adults, it was plasma cell neoplasms (14·17, 95% CI, 14·07-14·27), DLBCL (13·86, 95% CI, 13·76-13·96) and chronic lymphocytic leukaemia (CLL; 13·19, 95% CI, 13·09-13·29)...
August 10, 2018: British Journal of Haematology
https://www.readbyqxmd.com/read/30094870/duvelisib-an-oral-dual-pi3k-%C3%AE-%C3%AE-inhibitor-shows-clinical-and-pharmacodynamic-activity-in-chronic-lymphocytic-leukemia-and-small-lymphocytic-lymphoma-in-a-phase-1-study
#15
Susan O'Brien, Manish Patel, Brad S Kahl, Steven M Horwitz, Francine M Foss, Pierluigi Porcu, Jeffrey Jones, Jan Burger, Nitin Jain, Kerstin Allen, Kerrie Faia, Mark Douglas, Howard M Stern, Jennifer Sweeney, Patrick Kelly, Virginia Kelly, Ian Flinn
Duvelisib (IPI-145), an oral, dual inhibitor of phosphoinositide-3-kinase (PI3K)-δ and -γ, was evaluated in a Phase 1 study in advanced hematologic malignancies, which included expansion cohorts in relapsed/refractory (RR) chronic lymphocytic leukemia (CLL)/small lymphocytic lymphoma (SLL) and treatment-naïve (TN) CLL. Per protocol, TN patients were at least 65 years old or had a del(17p)/TP53 mutation. Duvelisib was administered twice daily (BID) in 28-day cycles at doses of 8-75 mg in RR patients (n=55) and 25 mg in TN patients (n=18...
August 10, 2018: American Journal of Hematology
https://www.readbyqxmd.com/read/30091222/bullous-cd4-cd8-adult-t-cell-leukemia-lymphoma-a-rare-diagnostically-challenging-cutaneous-variant
#16
Preetha D Kamath, Jennifer L Abrahams, Jeong Hee Cho-Vega
Human T-cell lymphotropic virus-1 (HTLV-1) is a retrovirus that causes adult T-cell leukemia/lymphoma (ATLL), an aggressive malignancy of CD4+ T-lymphocytes. This virus is endemic to the Caribbean, Japan, and regions of South America and Africa.[1] In Miami/ South Florida, whose population is enriched with immigrants from HTLV-1 endemic areas, we have identified multiple cases of ATLL. [2] This article is protected by copyright. All rights reserved.
August 9, 2018: Journal of Cutaneous Pathology
https://www.readbyqxmd.com/read/30089952/cytodiagnosis-of-primary-thyroid-lymphoma-coincident-with-unnoticed-papillary-thyroid-carcinoma-a-case-report-and-review-of-the-literature
#17
Gozde Kir, Billur Cosan Sarbay, Adnan Ozpek
Papillary thyroid carcinoma (PTC) is the most common type of thyroid cancer, whereas primary thyroid lymphoma is very rare. Here, we report a case in which a right-sided nodule measuring 4.3 × 2.2 cm was examined using fine-needle aspiration biopsy. This revealed abundant monomorphic non-cohesive large lymphoid cells without thyroid follicular cells, on which basis acytodiagnosis of lymphoma coincident with lymphocytic thyroiditis was made. Subsequent histologic examination revealed CD45-, CD20+, and Bcl-6 + and cytokeratin-, CD3-, CD5-, and CD30-negative tumor cells arranged diffusely in the whole thyroid coexisting with a separate PTC nodule sized 1...
July 2018: Journal of Cytology
https://www.readbyqxmd.com/read/30089946/contribution-of-immunocytochemistry-to-the-diagnosis-of-usual-and-unusual-lymphoma-cases
#18
Dilip K Das
Some of the limitations of fine needle aspiration (FNA) in the cytodiagnosis of lymphoma include problems encountered in differentiating reactive hyperplasia from low-grade non-Hodgkin lymphoma (NHL), lower cytodiagnostic accuracy for NHL with a follicular (nodular) pattern and nodular sclerosis type of classical Hodgkin lymphoma (HL), and overlapping morphological features between T-cell-rich B-cell lymphoma (TCRBCL), anaplastic large cell lymphoma (ALCL), and HL. Immunocytochemistry may be of help in such situations...
July 2018: Journal of Cytology
https://www.readbyqxmd.com/read/30089823/functional-characterization-of-common-bcl11b-gene-desert-variants-suggests-a-lymphocyte-mediated-association-of-bcl11b-with-aortic-stiffness
#19
Raya Al Maskari, Iris Hardege, Sarah Cleary, Nicki Figg, Ye Li, Keith Siew, Ashraf Khir, Yong Yu, Pentao Liu, Ian Wilkinson, Kevin O'Shaughnessy, Yasmin
The recent genome-wide analysis of carotid-femoral pulse wave velocity (PWV) identified a significant locus within the 14q32.2 gene desert. Gene regulatory elements for the transcriptional regulator B-cell CLL/lymphoma 11B (BCL11B) are within this locus and an attractive target for the gene association. We investigated the functional impact of these gene desert SNPs on BCL11B transcript in human aorta to characterize further its role in aortic stiffness. To do this, we used a large repository of aortic tissues (n = 185) from an organ transplant program and assessed ex vivo stiffness of the aortic rings...
August 8, 2018: European Journal of Human Genetics: EJHG
https://www.readbyqxmd.com/read/30089630/anti-cd37-chimeric-antigen-receptor-t-cells-are-active-against-b-and-t-cell-lymphomas
#20
Irene Scarfò, Maria Ormhøj, Matthew J Frigault, Ana P Castano, Selena Lorrey, Amanda A Bouffard, Alexandria van Scoyk, Scott J Rodig, Alexandra J Shay, Jon C Aster, Frederic I Preffer, David M Weinstock, Marcela V Maus
Chimeric antigen receptor (CAR) T cells have emerged as a novel form of treatment for patients with B-cell malignancies. In particular, anti-CD19 CAR T-cell therapy has effected impressive clinical responses in B-cell acute lymphoblastic leukemia (ALL) and diffuse large B-cell lymphoma (DLBCL). However, not all patients respond, and relapse with antigen loss has been observed in all patient subsets. Here, we report on the design and optimization of a novel CAR directed to the surface antigen CD37, which is expressed in B-cell non-Hodgkin Lymphomas, in chronic lymphocytic leukemia (CLL) and in some cases of cutaneous and peripheral T-cell lymphomas (CTCL and PTCL, respectively)...
August 8, 2018: Blood
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