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Thrombocytosis

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https://www.readbyqxmd.com/read/28821919/erratum-to-the-role-of-thrombocytosis-in-prognostic-evaluation-of-epithelial-ovarian-tumors
#1
Tayfun Gungor, Mine Kanat-Pektas, Ayhan Sucak, Leyla Mollamahmutoglu
No abstract text is available yet for this article.
August 18, 2017: Archives of Gynecology and Obstetrics
https://www.readbyqxmd.com/read/28808782/thromboembolic-events-following-splenectomy-risk-factors-prevention-management-and-outcomes
#2
Amihai Rottenstreich, Geffen Kleinstern, Galia Spectre, Nael Da'as, Esther Ziv, Yosef Kalish
BACKGROUND: Thromboembolic events following splenectomy are not uncommon. However, the role of thromboprophylaxis and risk factors for thrombosis, as well as the clinical course and outcomes, are not well characterized. METHODS: A retrospective review of individuals who underwent splenectomy between January 2006 and December 2015 in two university hospitals. RESULTS: Overall, 297 patients underwent splenectomy [open splenectomy (n = 199), laparoscopic splenectomy (n = 98)]...
August 14, 2017: World Journal of Surgery
https://www.readbyqxmd.com/read/28807983/cancer-associated-pathways-and-biomarkers-of-venous-thrombosis
#3
Yohei Hisada, Nigel Mackman
Cancer patients have an increased risk of venous thromboembolism (VTE). In this review, we will summarize common and cancer type-specific pathways of VTE in cancer patients. Increased levels of leukocytes, platelets and tissue factor-positive (TF+) microvesicles are all potential factors that alone or in combination increase cancer-associated thrombosis. Lung and colorectal cancer patients often exhibit leukocytosis. Neutrophils could increase VTE in cancer patients by releasing neutrophil extracellular traps whereas monocytes may express TF...
August 14, 2017: Blood
https://www.readbyqxmd.com/read/28794072/ruxolitinib-versus-best-available-therapy-for-et-intolerant-or-resistant-to-hydroxycarbamide-in-a-randomized-trial
#4
Claire N Harrison, Adam J Mead, Anesh Panchal, Sonia Fox, Christina Yap, Emmanouela Gbandi, Aimee Houlton, Samah Alimam, Joanne Ewing, Marion Wood, Frederick Chen, Jason Coppell, Nicki Panoskaltsis, Steven Knapper, Sahra Ali, Angela Hamblin, Ruben Scherber, Amylou C Dueck, Nicholas C P Cross, Ruben Mesa, Mary Frances McMullin
Treatments for high-risk essential thrombocythemia (ET) address thrombocytosis, disease-related symptoms, as well as risks of thrombosis, hemorrhage, transformation to myelofibrosis and leukemia. Patients resistant/intolerant to hydroxycarbamide (HC) have a poor outlook. MAJIC (ISRCTN61925716) is a randomized phase II trial of ruxolitinib (JAK1/2 inhibitor) vs Best Available Therapy (BAT) in ET and polycythemia vera (PV) patients resistant or intolerant to HC. Here findings of MAJIC-ET are reported, where the modified intention-to-treat population included 58 & 52 patients randomized to receive ruxolitinib or BAT respectively...
August 9, 2017: Blood
https://www.readbyqxmd.com/read/28783756/pkc-epsilon-deficiency-alters-progenitor-cell-populations-in-favor-of-megakaryopoiesis
#5
John C Kostyak, Elisabetta Liverani, Satya P Kunapuli
BACKGROUND: It has long been postulated that Protein Kinase C (PKC) is an important regulator of megakaryopoiesis. Recent contributions to the literature have outlined the functions of several individual PKC isoforms with regard to megakaryocyte differentiation and platelet production. However, the exact role of PKCε remains elusive. OBJECTIVE: To delineate the role of PKCε in megakaryopoiesis. APPROACH AND RESULTS: We used a PKCε knockout mouse model to examine the effect of PKCε deficiency on platelet mass, megakaryocyte mass, and bone marrow progenitor cell distribution...
2017: PloS One
https://www.readbyqxmd.com/read/28780529/magnitude-of-reactive-thrombocytosis-and-associated-clinical-conditions-in-dogs
#6
Labrini V Athanasiou, Zoe S Polizopoulou, Eleftheria G Papavasileiou, Efstathios L Mpairamoglou, Maria C Kantere, Xanthi A Rousou
Previous studies on the underlying causes of thrombocytosis have raised scientific interest in its clinical relevance in dogs. The purpose of this study was: (1) to explore the clinical conditions associated with thrombocytosis; (2) to compare platelet counts among these conditions; and (3) to identify possible interactions with other haematological variables and associated conditions. Medical records of 195 dogs with thrombocytosis (platelet count >500×10(3)/μL) were reviewed for signalment, complete blood count results and definitive diagnosis...
August 5, 2017: Veterinary Record
https://www.readbyqxmd.com/read/28766534/-clinical-features-of-essential-thrombocythemia-and-primary-myelofibrosis-depending-on-the-molecular-characteristics-of-disease
#7
A L Melikyan, I N Subortseva, A B Sudarikov, A M Kovrigina, E A Gilyazitdinova, T I Kolosheinova, A O Abdullaev, S A Treglazova
The aim of the present paper was to evaluate the clinical features and risk of thrombotic events (TE) in patients with essential thrombocythemia (ET) and primary myelofibrosis (PMF), depending on the molecular characteristics of disease. Clinical data and laboratory parameters were analyzed in 50 ET patients and 50 PMF ones who had been followed up at the Department for Standardization of Treatments, National Research Center for Hematology, Ministry of Health of the Russian Federation, from February 2015 to September 2016...
2017: Terapevticheskiĭ Arkhiv
https://www.readbyqxmd.com/read/28763790/platelets-subvert-t-cell-immunity-against-cancer-via-garp-tgf%C3%AE-axis
#8
Saleh Rachidi, Alessandra Metelli, Brian Riesenberg, Bill X Wu, Michelle H Nelson, Caroline Wallace, Chrystal M Paulos, Mark P Rubinstein, Elizabeth Garrett-Mayer, Mirko Hennig, Daniel W Bearden, Yi Yang, Bei Liu, Zihai Li
Cancer-associated thrombocytosis has long been linked to poor clinical outcome, but the underlying mechanism is enigmatic. We hypothesized that platelets promote malignancy and resistance to therapy by dampening host immunity. We show that genetic targeting of platelets enhances adoptive T cell therapy of cancer. An unbiased biochemical and structural biology approach established transforming growth factor β (TGFβ) and lactate as major platelet-derived soluble factors to obliterate CD4(+) and CD8(+) T cell functions...
May 5, 2017: Science Immunology
https://www.readbyqxmd.com/read/28762954/comparison-of-clinical-utilities-of-the-platelet-count-and-platelet-lymphocyte-ratio-for-predicting-survival-in-patients-with-cervical-cancer-a-single-institutional-study-and-literature-review
#9
Katsumi Kozasa, Seiji Mabuchi, Naoko Komura, Eriko Yokoi, Kuroda Hiromasa, Tomoyuki Sasano, Mahiru Kawano, Yuri Matsumoto, Eiji Kobayashi, Tadashi Kimura
OBJECTIVE: To compare the clinical utilities of the platelet count and platelet-lymphocyte ratio (PLR) for predicting survival in patients with cervical cancer. RESULTS: Multivariate analyses demonstrated that thrombocytosis and elevated PLR were found to be independent prognostic factors for progression-free survival (PFS, P = 0.0077, P = 0.044) and overall survival (OS, P = 0.025, P = 0.019) in separate Multivariate analyses. In the ROC analysis, the platelet count showed a significantly greater area under the ROC curve (AUC) value than that of PLR for predicting patient recurrence (0...
July 25, 2017: Oncotarget
https://www.readbyqxmd.com/read/28761360/analysis-of-clinical-characteristics-and-efficacy-of-chronic-myeloid-leukemia-onset-with-extreme-thrombocytosis-in-the-era-of-tyrosine-kinase-inhibitors
#10
Zhihe Liu, Hongqiong Fan, Yuying Li, Chunshui Liu
The aim of this study was to investigate the clinical characteristics and efficacy of chronic myeloid leukemia (CML) onset with extreme thrombocytosis. A total of 121 newly diagnosed and untreated CML patients in chronic phase with complete clinical information from the First Hospital of Jilin University, from January 2010 to December 2014 were retrospectively recruited. Based on the platelet (PLT) count, 22 patients were assigned into CML with thrombocytosis (CML-T) group (PLT >1,000×10(9)/L) and 65 patients were classified into CML without extreme thrombocytosis (CML-N) group (PLT ≤1,000×10(9)/L)...
2017: OncoTargets and Therapy
https://www.readbyqxmd.com/read/28749085/a-pilot-study-evaluating-the-prognostic-utility-of-platelet-indices-in-dogs-with-septic-peritonitis
#11
Efa A Llewellyn, Jeffrey M Todd, Leslie C Sharkey, Aaron Rendahl
OBJECTIVE: To characterize platelet indices at time of diagnosis of septic peritonitis in dogs and to assess the relationship between platelet parameter data and survival to discharge in dogs treated surgically. DESIGN: Retrospective, observational, descriptive pilot study from 2009 to 2014. SETTING: University teaching hospital. ANIMALS: Forty-eight dogs diagnosed with septic peritonitis were included in this study...
July 27, 2017: Journal of Veterinary Emergency and Critical Care
https://www.readbyqxmd.com/read/28740456/carotid-artery-stiffness-digital-endothelial-function-and-coronary-calcium-in-patients-with-essential-thrombocytosis-free-of-overt-atherosclerotic-disease
#12
Matjaz Vrtovec, Ajda Anzic, Irena Preloznik Zupan, Katja Zaletel, Ales Blinc
BACKGROUND: Patients with myeloproliferative neoplasms (MPNs) are at increased risk for atherothrombotic events. Our aim was to determine if patients with essential thrombocytosis (ET), a subtype of MPNs, free of symptomatic atherosclerosis, have greater carotid artery stiffness, worse endothelial function, greater coronary calcium and carotid plaque burden than control subjects. PATIENTS AND METHODS: 40 ET patients without overt vascular disease, and 42 apparently healthy, age and sex-matched control subjects with comparable classical risk factors for atherosclerosis and Framingham risk of coronary disease were enrolled...
June 2017: Radiology and Oncology
https://www.readbyqxmd.com/read/28726645/chronic-myeloid-leukemia-expected-relapse-s-clinical-laboratory-indexes
#13
T Kirtava, D Ghirdaladze, T Vatsadze
Today Chronic Myeloid Leukemia (CML) relapse's final assessment and monitoring in the whole world is implemented by BCR-ABL gene quantitative detection - during the polymerase chain reaction (by PSR means). Implementation of this monitoring materially and technically is not often available and remission during years is being assessed using monthly clinical-laboratory data. Proceeding from this, the goal of our work was to find the clinical-laboratory features, indicating the expected relapse and require the urgent molecular research carry out...
June 2017: Georgian Medical News
https://www.readbyqxmd.com/read/28725653/calr-positive-myeloproliferative-disorder-in-a-patient-with-ph-positive-chronic-myeloid-leukemia-in-durable-treatment-free-remission-a-case-report
#14
Irene Dogliotti, Carmen Fava, Anna Serra, Enrico Gottardi, Filomena Daraio, Francesca Carnuccio, Emilia Giugliano, Monica Bocchia, Giuseppe Saglio, Giovanna Rege-Cambrin
Current diagnostic criteria for Philadelphia-negative myeloproliferative neoplasia (MPN) have been redefined by the discovery of Janus kinase 2 (JAK2), myeloproliferative leukemia (MPL) and calreticulin (CALR) genetic alterations. Only few cases of coexistence of CALR-mutated MPN and Philadelphia-positive chronic myeloid leukemia (CML) have been described so far. Here we report the case of a patient with CML diagnosed in 2001, treated with imatinib and pegylated interferon (IFN) frontline. She reached complete molecular remission (CMR) and discontinued imatinib, maintaining treatment free remission...
2017: Stem Cell Investigation
https://www.readbyqxmd.com/read/28712557/age-modulates-the-relationship-between-platelet-to-lymphocyte-ratio-and-coronary-artery-disease
#15
Issada Trakarnwijitr, Bobby Li, Heath Adams, Jamie Layland, John Garlick, Andrew Wilson
BACKGROUND: Thrombocytosis and inflammation are vital elements in the pathogenesis of atherosclerosis. The platelet-to-lymphocyte ratio (PLR) is a novel biomarker that combines these parameters and has been shown to be associated with cardiovascular disease (CVD). This study aimed to determine whether PLR correlates with coronary artery disease (CAD) in high-risk patients, and if the relationship is affected by age. METHODS: Consecutive patients referred for coronary angiogram were evaluated (n=822)...
July 8, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28699668/poems-syndrome-2017-update-on-diagnosis-risk-stratification-and-management
#16
REVIEW
Angela Dispenzieri
DISEASE OVERVIEW: POEMS syndrome is a paraneoplastic syndrome due to an underlying plasma cell neoplasm. The major criteria for the syndrome are polyradiculoneuropathy, clonal plasma cell disorder (PCD), sclerotic bone lesions, elevated vascular endothelial growth factor, and the presence of Castleman disease. Minor features include organomegaly, endocrinopathy, characteristic skin changes, papilledema, extravascular volume overload, and thrombocytosis. Diagnoses are often delayed because the syndrome is rare and can be mistaken for other neurologic disorders, most commonly chronic inflammatory demyelinating polyradiculoneuropathy...
August 2017: American Journal of Hematology
https://www.readbyqxmd.com/read/28694147/predictive-and-prognostic-value-of-preoperative-thrombocytosis-in-upper-tract-urothelial-carcinoma
#17
Beat Foerster, Marco Moschini, Mohammad Abufaraj, Francesco Soria, Kilian M Gust, Morgan Rouprêt, Pierre I Karakiewicz, Alberto Briganti, Michael Rink, Luis Kluth, Romain Mathieu, Vitaly Margulis, Yair Lotan, Atiqullah Aziz, Hubert John, Shahrokh F Shariat
PURPOSE: The purpose of this study was to evaluate the predictive and prognostic role of preoperative thrombocytosis (TC) in upper tract urothelial carcinoma (UTUC) after radical nephroureterectomy (RNU) in a large multi-institutional cohort of patients. METHODS: Records of 2492 patients undergoing RNU for non-metastatic UTUC between 1990 and 2008 were retrospectively analyzed. Preoperative TC was defined as a platelet count > 400 × 10(9)/L, irrespective of gender type...
June 19, 2017: Clinical Genitourinary Cancer
https://www.readbyqxmd.com/read/28688466/leukemic-transformation-in-myeloproliferative-neoplasms-a-literature-review-on-risk-characteristics-and-outcome
#18
REVIEW
Meera Yogarajah, Ayalew Tefferi
Myeloproliferative neoplasms (MPNs) operationally include essential thrombocythemia, polycythemia vera, primary myelofibrosis (PMF), and prefibrotic PMF. All 4 MPN variants might progress into blast-phase disease (MPN-BP). For essential thrombocythemia, reported risk factors for leukemic transformation include advanced age, extreme thrombocytosis, anemia, leukocytosis, and sequence variants/mutations involving TP53 and EZH2 (for expansion of gene symbols, see www.genenames.org); for polycythemia vera, advanced age, leukocytosis, abnormal karyotype, mutations involving SRSF2 and IDH2, and treatment with pipobroman, chlorambucil, or P32; and for PMF, increased blast percentage, thrombocytopenia, abnormal karyotype, triple-negative driver mutational status, and sequence variants/mutations involving SRSF2, RUNX1, CEBPA, and SH2B3...
July 2017: Mayo Clinic Proceedings
https://www.readbyqxmd.com/read/28681242/the-potential-role-of-platelets-in-the-consensus-molecular-subtypes-of-colorectal-cancer
#19
REVIEW
Michael Lam, Jason Roszik, Preeti Kanikarla-Marie, Jennifer S Davis, Jeffrey Morris, Scott Kopetz, David G Menter
The consensus molecular subtypes (CMS) in colorectal cancer (CRC) represent distinct molecular subcategories of disease as reflected by comprehensive molecular profiling. The four CMS subtypes represent unique biology. CMS1 represents high immune infiltration. CMS2 demonstrates upregulation of canonical pathways such as WNT signaling. Widespread metabolic changes are seen in CMS3. CMS4 represents a mesenchymal phenotype with hallmark features including complement activation, matrix remodeling, angiogenesis, epithelial-mesechymal transition (EMT), integrin upregulation and stromal infiltration...
July 6, 2017: Cancer Metastasis Reviews
https://www.readbyqxmd.com/read/28681240/platelets-and-cancer-angiogenesis-nexus
#20
Marek Z Wojtukiewicz, Ewa Sierko, Dominika Hempel, Stephanie C Tucker, Kenneth V Honn
There has been remarkable insight into the importance of platelets in a wide range of pathophysiologic events, including inflammation and cancer progression. Thrombocytosis in cancer patients is a common finding. Tumor cells induce platelet activation and subsequent aggregation through direct and indirect mechanisms. Platelets are recognized to contribute to metastatic dissemination. There is plenty of evidence that components of the hemostatic system contribute to the process of angiogenesis. Furthermore, there are accumulated data on the substantial influence of blood platelets in the process of blood vessel formation during malignancy...
July 5, 2017: Cancer Metastasis Reviews
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