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chronic neutrophilic leukemia

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https://www.readbyqxmd.com/read/27891482/treatment-emergent-agranulocytosis-with-skin-and-gingival-lesions-in-a-chronic-lymphocytic-leukemia-patient-a-case-report
#1
Ramesh Amirisetty, Varun Zade, Meenakshi Boddun, Rolly Gupta, Micky Kumari, Hema Suryawanshi
Chronic Lymphocytic Leukaemia (CLL) is a monoclonal lymphoid malignancy characterized by progressive accumulation of small, mature but functionally incompetent neoplastic lymphocytes in the peripheral blood, bone marrow and lymphoid organs. Patients present a variable course and may not require early intervention unlike other malignancies. Patients with rapidly deteriorating blood counts, and organomegaly need treatment. Alkylating agent live Bendamustine combined with Rituximab, anti-CD 20 monoclonal antibody have shown promising results in such patients...
October 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/27856368/haploidentical-transplantation-with-post-transplant-cyclophosphamide-for-high-risk-acute-lymphoblastic-leukemia
#2
Samer A Srour, Denái R Milton, Asad Bashey, Amado Karduss-Urueta, Monzr Al Malki, Rizwan Romee, Scott Solomon, Stacey Brown, Michael Slade, Rosendo Perez, Gabriela Rondon, Stephan J Forman, Richard E Champlin, Partow Kebriaei, Stefan O Ciurea
Haploidentical transplantation performed with post-transplantation cyclophosphamide (PTCy)-based graft-versus-host disease (GVHD) prophylaxis has been associated with favorable outcomes for patients with acute myeloid leukemia and lymphomas. However, it remains unclear if such approach is effective for patients with acute lymphoblastic leukemia (ALL). We analyzed outcomes of 109 consecutively treated ALL patients 18 years of age and older at 5 institutions. The median age was 32 years and the median follow-up for survivors was 13 months...
November 14, 2016: Biology of Blood and Marrow Transplantation
https://www.readbyqxmd.com/read/27796477/neutrophils-from-chronic-lymphocytic-leukemia-patients-exhibit-an-increased-capacity-to-release-extracellular-traps-nets
#3
Enrique Podaza, Florencia Sabbione, Denise Risnik, Mercedes Borge, María B Almejún, Ana Colado, Horacio Fernández-Grecco, María Cabrejo, Raimundo F Bezares, Analía Trevani, Romina Gamberale, Mirta Giordano
Chronic lymphocytic leukemia (CLL) is characterized by immune defects that contribute to a high rate of infections and autoimmune cytopenias. Neutrophils are the first line of innate immunity and respond to pathogens through multiple mechanisms, including the release of neutrophil extracellular traps (NETs). These web-like structures composed of DNA, histones, and granular proteins are also produced under sterile conditions and play important roles in thrombosis and autoimmune disorders. Here we show that neutrophils from CLL patients are more prone to release NETs compared to those from age-matched healthy donors (HD)...
October 28, 2016: Cancer Immunology, Immunotherapy: CII
https://www.readbyqxmd.com/read/27789332/granulocyte-colony-stimulating-factor-receptor-signaling-in-severe-congenital-neutropenia-chronic-neutrophilic-leukemia-and-related-malignancies
#4
REVIEW
Pankaj Dwivedi, Kenneth D Greis
Granulocyte colony-stimulating factor is a hematopoietic cytokine that stimulates neutrophil production and hematopoietic stem cell mobilization by initiating the dimerization of homodimeric granulocyte colony-stimulating factor receptor. Different mutations of CSF3R have been linked to a unique spectrum of myeloid disorders and related malignancies. Myeloid disorders caused by the CSF3R mutations include severe congenital neutropenia, chronic neutrophilic leukemia, and atypical chronic myeloid leukemia. In this review, we provide an analysis of granulocyte colony-stimulating factor receptor, various mutations, and their roles in the severe congenital neutropenia, chronic neutrophilic leukemia, and malignant transformation, as well as the clinical implications and some perspective on approaches that could expand our knowledge with respect to the normal signaling mechanisms and those associated with mutations in the receptor...
October 24, 2016: Experimental Hematology
https://www.readbyqxmd.com/read/27771742/pre-engraftment-bloodstream-infections-in-acute-leukemia-patients-undergoing-unrelated-cord-blood-transplantation-following-intensified-myeloablative-conditioning-without-atg
#5
Changcheng Zheng, Baolin Tang, Xiaoyu Zhu, Xuhan Zhang, Lei Zhang, Liangquan Geng, Huilan Liu, Zimin Sun
The aim of this study is to investigate the impact of pre-engraftment bloodstream infections (BSIs) on the outcomes in acute leukemia patients undergoing myeloablative cord blood transplantation (CBT). A total of 226 acute leukemia patients who received unrelated CBT were enrolled in this study, and all these patients received an intensified myeloablative conditioning without ATG. Pre-engraftment BSIs occurred in 72 patients (31.9 %), and the median time of onset was 4.5 days after cord blood infusion, BSIs of gram-negative bacilli, and gram-positive cocci comprised of 63...
October 22, 2016: Annals of Hematology
https://www.readbyqxmd.com/read/27764087/optimized-treatment-schedules-for-chronic-myeloid-leukemia
#6
Qie He, Junfeng Zhu, David Dingli, Jasmine Foo, Kevin Zox Leder
Over the past decade, several targeted therapies (e.g. imatinib, dasatinib, nilotinib) have been developed to treat Chronic Myeloid Leukemia (CML). Despite an initial response to therapy, drug resistance remains a problem for some CML patients. Recent studies have shown that resistance mutations that preexist treatment can be detected in a substantial number of patients, and that this may be associated with eventual treatment failure. One proposed method to extend treatment efficacy is to use a combination of multiple targeted therapies...
October 2016: PLoS Computational Biology
https://www.readbyqxmd.com/read/27724812/tcr%C3%AE-%C3%AE-depleted-haploidentical-transplantation-results-in-adult-acute-leukemia-patients
#7
Leylagul Kaynar, Koray Demir, Esra Ermiş Turak, Çiğdem Pala Öztürk, Gökmen Zararsız, Zeynep Burçin Gönen, Selma Gökahmetoğlu, Serdar Şıvgın, Bülent Eser, Yavuz Köker, Musa Solmaz, Ali Ünal, Mustafa Çetin
INTRODUCTION: The use of αβ+ T-cell-depleted grafts is a novel approach to prevent graft failure, graft-versus-host disease (GVHD), and non-relapse mortality (NRM) in patients undergoing haploidentical hematopoietic stem cell transplantation. PATIENT AND METHOD: Thirty-four patients with acute leukemia and lacking a match donor were treated with αβ T-cell-depleted allografts from haploidentical family donors. A total of 24 patients had acute myeloid leukemia (AML) and 10 had acute lymphoblastic leukemia...
October 10, 2016: Hematology (Amsterdam, Netherlands)
https://www.readbyqxmd.com/read/27639553/unrelated-donor-versus-matched-sibling-donor-in-adults-with-acute-myeloid-leukemia-in-first-relapse-an-alwp-ebmt-study
#8
Annalisa Ruggeri, Giorgia Battipaglia, Myriam Labopin, Gerhard Ehninger, Dietrich Beelen, Johanna Tischer, Arnold Ganser, Rainer Schwerdtfeger, Bertram Glass, Jurgen Finke, Mauricette Michallet, Matthias Stelljes, Pavel Jindra, Renate Arnold, Nicolaus Kröger, Mohamad Mohty, Arnon Nagler
BACKGROUND: Allogeneic stem cell transplantation is the only curative option for patients with acute myeloid leukemia (AML) experiencing relapse. Either matched sibling donor (MSD) or unrelated donor (UD) is indicated. METHODS: We analyzed 1554 adults with AML transplanted from MSD (n = 961) or UD (n = 593, HLA-matched 10/10, n = 481; 9/10, n = 112). Compared to MSD, UD recipients were older (49 vs 52 years, p = 0.001), transplanted more recently (2009 vs 2006, p = 0...
September 17, 2016: Journal of Hematology & Oncology
https://www.readbyqxmd.com/read/27620713/decitabine-prior-to-salvaged-unrelated-cord-blood-transplantation-for-refractory-or-relapsed-childhood-acute-leukemia
#9
Haixia Zhou, Changcheng Zheng, Xiaoyu Zhu, Baolin Tang, Juan Tong, Xuhan Zhang, Lei Zhang, Huilan Liu, Zimin Sun
No clinical studies have investigated the role of decitabine as a part of the myeloablative conditioning regimen prior to UCBT for refractory or relapsed childhood AL in patients in NR status. The aim of this study was to identify the potential benefits of decitabine as a prior therapy before salvaged unrelated UCBT for refractory or relapsed childhood AL. Eight consecutive patients with childhood refractory/relapsed AL were enrolled in our study between 2013 and 2014. All patients were in NR status before the time of transplant and had features associated with poor outcomes, such as CNSL, MDS-AML, high WBC count at diagnosis, and hypodiploid status (FLT3+/ITD+)...
September 12, 2016: Pediatric Transplantation
https://www.readbyqxmd.com/read/27587251/-chronic-neutrophilic-leukemia-complicated-with-multiple-myeloma-two-cases-report-and-literature-review
#10
B Jiang, J Y Qi, Q H Li, Y Xu, M Y Sun, W W Zheng, F Chen, L G Qiu
OBJECTIVE: To explored the diagnosis and treatment of chronic neutrophilic leukemia (CNL) complicated with multiple myeloma (MM). METHODS: The clinical features and molecular biological characteristics of 2 patients with CNL complicated with MM were summarized, and the diagnosis and treatment of the patients were retrospectively reviewed. RESULTS: The diagnosis of CNL complicated with MM was established in 2 cases. Case 1 had CSF3R mutation (P733T), but CSF3R-exon 14 mutation and SETBP1 mutation were all negative...
August 14, 2016: Zhonghua Xue Ye Xue za Zhi, Zhonghua Xueyexue Zazhi
https://www.readbyqxmd.com/read/27581359/chronic-neutrophilic-leukemia-in-a-child-with-a-csf3r-t618i-germline-mutation
#11
Lawrence J Druhan, Daniel P McMahon, Nury Steuerwald, Andrea E Price, Amanda Lance, Jonathan M Gerber, Belinda R Avalos
No abstract text is available yet for this article.
August 31, 2016: Blood
https://www.readbyqxmd.com/read/27581136/cml-mouse-model-generated-from-leukemia-stem-cells
#12
Yiguo Hu
Chronic myeloid leukemia (CML) is a myeloproliferative disorder with a high number of well-differentiated neutrophils in peripheral blood and myeloid cells in bone marrow (BM). CML is derived from the hematopoietic stem cells (HSCs) with the Philadelphia chromosome (Ph(+), t(9;22)-(q34;q11)), resulting in generating a fusion oncogene, BCR/ABL1. HSCs with Ph(+) are defined as leukemia stem cells (LSCs), a subpopulation cell at the apex of hierarchies in leukemia cells and responsible for the disease continuous propagation...
2016: Methods in Molecular Biology
https://www.readbyqxmd.com/read/27537935/philadelphia-chromosome-positive-acute-lymphoblastic-leukemia-is-separated-into-two-subgroups-associated-with-survival-by-bcr-abl-fluorescence-in-situ-hybridization-of-segmented-cell-nuclei-report-from-a-single-institution
#13
Yoshimasa Kamoda, Kiyotaka Izumi, Futoshi Iioka, Takashi Akasaka, Fumihiko Nakamura, Chiyuki Kishimori, Katsuyo Tsuda, Katsuhiro Fukutsuka, Atsuko Okumura, Masahiko Hayashida, Hitoshi Ohno
Philadelphia chromosome-positive (Ph+) acute lymphoblastic leukemia (ALL) may include the lymphoid blast crisis of chronic myeloid leukemia (CML-BC). We applied fluorescence in situ hybridization (FISH) of the BCR-ABL fusion gene to peripheral blood and/or bone marrow smears to determine whether the fusion was restricted to mononuclear cell nuclei or if segmented cell nuclei representing mature neutrophils also carried the fusion (Seg-FISH). Among 20 patients with Ph+ ALL without a prior diagnosis of CML, 9 were Seg-FISH+ and 11 were Seg-FISH-...
2016: Acta Haematologica
https://www.readbyqxmd.com/read/27530969/donor-derived-natural-killer-cell-infusion-after-human-leukocyte-antigen-haploidentical-hematopoietic-cell-transplantation-in-patients-with-refractory-acute-leukemia
#14
Inpyo Choi, Suk Ran Yoon, Soo-Yeon Park, Hanna Kim, Sol-Ji Jung, You-Lee Kang, Je-Hwan Lee, Jung-Hee Lee, Dae-Young Kim, Jae-Lyun Lee, Han-Seung Park, Eun-Ji Choi, Young-Shin Lee, Young-A Kang, Mijin Jeon, Miee Seol, Seunghyun Baek, Sung-Cheol Yun, Hwa Jung Kim, Kyoo-Hyung Lee
The optimum method of donor natural killer cell infusion (DNKI) after allogeneic hematopoietic cell transplantation (HCT) remains unclear. Fifty-one patients (age range, 19 years to 67 years) with refractory acute leukemia underwent HLA-haploidentical HCT and underwent DNKI on days 6, 9, 13, and 20 of HCT. Median DNKI doses were .5, .5, 1.0, and 2.0 × 10(8)/kg cells, respectively. During DNKI, 33 of the 45 evaluated patients (73%) developed fever (>38.3°C) along with weight gain (median, 13%; range, 2% to 31%) and/or hyperbilirubinemia (median, 6...
November 2016: Biology of Blood and Marrow Transplantation
https://www.readbyqxmd.com/read/27488528/splenic-marginal-zone-granulocytes-acquire-an-accentuated-neutrophil-b-cell-helper-phenotype-in-chronic-lymphocytic-leukemia
#15
Marcel Gätjen, Franziska Brand, Michael Grau, Kerstin Gerlach, Ralph Kettritz, Jörg Westermann, Ioannis Anagnostopoulos, Peter Lenz, Georg Lenz, Uta E Höpken, Armin Rehm
Recruitment of tumor-associated macrophages and neutrophils (TAM and TAN) to solid tumors contributes to immunosuppression in the tumor microenvironment; however, their contributions to lymphoid neoplasms are less clear. In human chronic lymphocytic leukemia (CLL), tumor B cells lodge in lymph nodes where interactions with the microenvironment occur. Tumor cell homing stimulates proliferation, such that engagement of the B-cell receptor is important for malignant progression. In the Eμ-Tcl1 murine model of CLL, we identified gene expression signatures indicative of a skewed polarization in the phenotype of monocytes and neutrophils...
September 15, 2016: Cancer Research
https://www.readbyqxmd.com/read/27461416/pancytopenia-during-tyrosine-kinase-inhibitor-treatment-coexistence-of-chronic-myeloid-leukemia-and-visceral-leishmaniasis-a-case-report
#16
Acy Quixada, Pedro Aurio Maia Filho, Tarcísio Paulo Almeida Filho, Fernando Barroso Duarte, Caroline Aquino Moreira-Nunes, Romélia Pinheiro Gonçalves Lemes
BACKGROUND: Visceral leishmaniasis is a zoonosis characterized by chronic evolution of symptoms; it usually appears 2 to 4 months after the initial infection, with multiple cutaneous lesions and systemic involvement, which if left untreated results in death in 90 % of cases. CASE PRESENTATION: We present a case of 29-year-old white male farmer, with chronic myeloid leukemia treated with imatinib who developed significant pancytopenia, leading to discontinuation of treatment...
July 27, 2016: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/27429515/cyclosporine-plus-methotrexate-or-cyclosporine-plus-mycophenolate-mofetil-as-graft-versus-host-disease-prophylaxis-in-acute-leukemia-transplant-comparison-of-toxicity-engraftment-kinetics-and-transplant-outcome
#17
Alok Gupta, Sachin Punatar, Libin Mathew, Sadhana Kannan, Navin Khattry
We sought to compare two graft-versus-host disease (GVHD) prophylaxis regimen, cyclosporine and methotrexate (CsA+MTX) with CsA+mycophenolate mofetil (MMF) in 77 acute leukemia patients who underwent hematopoietic stem cell transplant (HSCT) between January 2008 and March 2013. Fifty-three patients received CsA+MTX while 24 received CsA+MMF. The incidence of grade 3-4 mucositis and grade 3-4 diarrhea was 74 and 6 % with CsA+MTX compared to 33 % and 21 % with CsA+MMF (P = 0.001 and 0.09 respectively). Forty-two (79 %) patients in CsA+MTX group required total parenteral nutrition compared to 14 (58 %) in CsA+MMF group (P = 0...
September 2016: Indian Journal of Hematology & Blood Transfusion
https://www.readbyqxmd.com/read/27408367/-unusual-cause-of-tophi-with-renal-thrombotic-microangiopathy
#18
Kamal Kant Sahu, Arjun Datt Law, Ganesh Kumar, Varun Dhir, Shano Naseem, Ritambhra Nada, Subhash Chander Varma, Pankaj Malhotra
Chronic neutrophilic leukemia (CNL) is a rare entity amongst myeloproliferative neoplasms (MPNs). The classical presentation of CNL is with splenomegaly, mature neutrophilic leucocytosis and hyperuricemia. We herein report a case who presented with symptoms of acute gouty arthritis. Physical examination showed typical red, tender tophi in the right hand, right foot and both pinnae suggesting an acute episode of gout. During evaluation, moderate splenomegaly, mature neutrophilia, hyperuricemia and sub-nephrotic range range proteinuria were noted...
June 2016: Indian Journal of Hematology & Blood Transfusion
https://www.readbyqxmd.com/read/27376453/clinical-separation-of-cgvhd-and-gvl-and-better-gvhd-free-relapse-free-survival-grfs-after-unrelated-cord-blood-transplantation-for-aml
#19
C-C Zheng, X-Y Zhu, B-L Tang, X-H Zhang, L Zhang, L-Q Geng, H-L Liu, Z-M Sun
Few studies have presented a comparison of myeloablative cord blood transplantation (CBT) and HLA-identical sibling hematopoietic cell transplantation (HCT) for AML in a disease-specific analysis, and the evaluation of GvHD-free and relapse-free survival (GRFS) in AML patients after unrelated CBT has not been reported. A total of 162 consecutive AML patients receiving intensified myeloablative unrelated CBT (n=107) or allogeneic PBSC transplantation (allo-PBSCT) or bone marrow transplantation (BMT) from an HLA-identical sibling donor (n=55) were investigated...
July 4, 2016: Bone Marrow Transplantation
https://www.readbyqxmd.com/read/27365372/chronic-myelomonocytic-leukemia-mimicking-hematologic-systemic-lupus-erythematosus
#20
C A Moura, M Santiago, J Neto, V H Gomes de Souza, C Geraldo Moura
The relationship between primary hematologic disease and rheumatologic manifestations is well known, especially acute lymphocytic leukemia, lymphomas, plasma cell dyscrasias and myelodysplastic syndrome (MDS). Currently, more has been described about autoimmune manifestations in chronic myelomonocytic leukemia (CMML). Many different clinical scenarios may lead a patient with MDS/CMML initially to seek a rheumatological unit. Autoimmune features such as polymyalgia rheumatic symptoms, myositis, neutrophilic dermatosis, cutaneous vasculitis and positive antinuclear antibodies (ANA) are some examples of clinical presentation of MDS/CMML...
June 30, 2016: Lupus
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