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https://www.readbyqxmd.com/read/29236347/the-full-blood-count-as-an-ancillary-test-to-support-the-diagnosis-of-giant-cell-arteritis
#1
Lawrence J Oh, Eugene Wong, Juliana Andrici, Peter McCluskey, James E H Smith, Anthony J Gill
BACKGROUND: Temporal artery biopsy is considered the investigation of choice to definitively diagnose giant cell arteritis in patients with compatible symptoms. However it is invasive and not completely sensitive. Serum markers, particularly ESR, can be supportive but are not definitive in individual cases. AIMS: We sought to investigate whether indices derived from the full blood count including neutrophil-to-lymphocyte ratio (NLR) and platelet-to-lymphocyte ratio (PLR), were associated with a positive biopsy in patients with suspected giant cell arteritis...
December 13, 2017: Internal Medicine Journal
https://www.readbyqxmd.com/read/29233628/xanthogranulomatous-pyelonephritis-in-a-paediatric-cohort-1963-2016-outcomes-from-a-large-single-center-series
#2
I Stoica, F O'Kelly, M B McDermott, F M J Quinn
BACKGROUND: Xanthogranulomatous pyelonephritis (XGP) is an uncommon chronic destructive granulomatous inflammation of the kidney. It was first described in 1916, and is thought to affect 6/1000 cases of pyelonephritis. Its manifestations are varied, and with a limited number of cases in the literature, the optimal diagnosis and management of XGP in the paediatric cohort is still unknown. MATERIAL AND METHODS: The medical records of children who were diagnosed and treated for XGP at the current unit during the period 1963-2016, inclusive, were retrospectively reviewed...
November 24, 2017: Journal of Pediatric Urology
https://www.readbyqxmd.com/read/29228624/platelet-microparticle-mediated-transfer-of-mir-939-to-epithelial-ovarian-cancer-cells-promotes-epithelial-to-mesenchymal-transition
#3
Meiling Tang, Lu Jiang, Yingying Lin, Xiaoli Wu, Kai Wang, Qizhi He, Xipeng Wang, Weiping Li
Epithelial ovarian cancer (EOC) patients frequently suffer from thrombocytosis, which leads to a poor prognosis. However, the mechanism underlying platelet regulation of biological behavior in EOC remains unclear. The associations between clinicopathological characteristics and thrombocytosis in 171 EOC patients were studied, preoperative thrombocytosis was significantly associated with the stage, metastasis scope, level of preoperative CA125 and overall survival. When SKOV3 cells were cocultured with platelet microparticles (PMPs), the expression of molecules associated with epithelial-mesenchymal transition (EMT) was increased...
November 14, 2017: Oncotarget
https://www.readbyqxmd.com/read/29225675/pregnancy-and-myeloproliferative-neoplasms-a-retrospective-monocentric-cohort
#4
Mathieu Puyade, Emilie Cayssials, Fabrice Pierre, Olivier Pourrat
Background: The most frequent myeloproliferative neoplasms are essential thrombocythemia and chronic myelogenous leukemia, which usually manifests with thrombocytosis. Only essential thrombocythemia is associated with morbidity during pregnancy (recurrent miscarriages, intrauterine fetal death, small for gestational age and preeclampsia). The aim of this paper is to describe outcomes of pregnancy in women with myeloproliferative neoplasms seen at a single academic institution. Methods: Data were collected retrospectively from 2002 to 2015...
December 2017: Obstetric Medicine
https://www.readbyqxmd.com/read/29217833/calr-mutational-status-identifies-different-disease-subtypes-of-essential-thrombocythemia-showing-distinct-expression-profiles
#5
Roberta Zini, Paola Guglielmelli, Daniela Pietra, Elisa Rumi, Chiara Rossi, Sebastiano Rontauroli, Elena Genovese, Tiziana Fanelli, Laura Calabresi, Elisa Bianchi, Simona Salati, Mario Cazzola, Enrico Tagliafico, Alessandro M Vannucchi, Rossella Manfredini
Polycythemia vera (PV) and essential thrombocythemia (ET) are Philadelphia-negative myeloproliferative neoplasms (MPNs) characterized by erythrocytosis and thrombocytosis, respectively. Approximately 95% of PV and 50-70% of ET patients harbor the V617F mutation in the exon 14 of JAK2 gene, while about 20-30% of ET patients carry CALRins5 or CALRdel52 mutations. These ET CALR-mutated subjects show higher platelet count and lower thrombotic risk compared to JAK2-mutated patients. Here, we showed that CALR-mutated and JAK2V617F-positive CD34+ cells display different gene and miRNA expression profiles...
December 8, 2017: Blood Cancer Journal
https://www.readbyqxmd.com/read/29206554/front-line-treatment-options-for-chronic-phase-chronic-myeloid-leukemia
#6
Neil P Shah
The Oncology Grand Rounds series is designed to place original reports published in the Journal into clinical context. A case presentation is followed by a description of diagnostic and management challenges, a review of the relevant literature, and a summary of the authors' suggested management approaches. The goal of this series is to help readers better understand how to apply the results of key studies, including those published in Journal of Clinical Oncology, to patients seen in their own clinical practice...
December 5, 2017: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/29202466/loss-of-pleckstrin-2-reverts-lethality-and-vascular-occlusions-in-jak2v617f-positive-myeloproliferative-neoplasms
#7
Baobing Zhao, Yang Mei, Lan Cao, Jingxin Zhang, Ronen Sumagin, Jing Yang, Juehua Gao, Matthew J Schipma, Yanfeng Wang, Chelsea Thorsheim, Liang Zhao, Timothy Stalker, Brady Stein, Qiang Jeremy Wen, John D Crispino, Charles S Abrams, Peng Ji
V617F driver mutation of JAK2 is the leading cause of the Philadelphia-chromosome-negative myeloproliferative neoplasms (MPNs). Although thrombosis is a leading cause of mortality and morbidity in MPNs, the mechanisms underlying their pathogenesis are unclear. Here, we identified pleckstrin-2 (Plek2) as a downstream target of the JAK2/STAT5 pathway in erythroid and myeloid cells, and showed that it is upregulated in a JAK2V617F-positive MPN mouse model and in patients with MPNs. Loss of Plek2 ameliorated JAK2V617F-induced myeloproliferative phenotypes including erythrocytosis, neutrophilia, thrombocytosis, and splenomegaly, thereby reverting the widespread vascular occlusions and lethality in JAK2V617F-knockin mice...
November 20, 2017: Journal of Clinical Investigation
https://www.readbyqxmd.com/read/29187020/a-rare-case-of-pediatric-chronic-myelogenous-leukemia-presenting-with-severe-thrombocytosis-without-leukocytosis
#8
Albert N Huho, Niveen Issaq, Ionela Iacobas, Tarek M Elghetany, Dolores López-Terrada, Kevin E Fisher, Jyotinder N Punia
Pediatric chronic myelogenous leukemia is uncommon. We report a pediatric patient with chronic myelogenous leukemia presenting with a normal white blood cell count and no circulating immature myeloid cells. The patient presented with extreme thrombocytosis (platelet count range: 2175-3064 × 109/L) noted incidentally. No splenomegaly was found. Examination of the bone marrow aspirate revealed normal cellularity and normal myeloid: erythroid ratio with marked megakaryocytic hyperplasia. Molecular studies on the bone marrow aspirate detected both the major BCR/ABL1 p210 fusion transcript (9280 copies; p210/ ABL1 ratio: 38...
January 1, 2017: Pediatric and Developmental Pathology
https://www.readbyqxmd.com/read/29166742/-allogeneic-hematopoietic-stem-cell-transplantation-for-the-treatment-of-acute-myeloid-leukemia-with-primary-thrombocytosis-three-cases-report-and-literatures-review
#9
X P Zong, L Tang, J N Cen, S N Chen, A N Sun, D P Wu
Objective: To investigate the characteristics of the essential thrombocythemia (ET) cases transformed to the acute myeloid leukemia (AML) and the role of allogeneic hematopoietic stem cell transplantation (allo-HSCT) in the treatment of this disease. Methods: The clinical and laboratory characteristics of 3 ET cases before and after transformation and after allo-HSCT were retrospectively analyzed, meanwhile the related literatures were reviewed and discussed. Results: Case 1 was a male patient of 44 years old, whose PLT was 500×10(9)/L when firstly diagnosed ET...
October 14, 2017: Zhonghua Xue Ye Xue za Zhi, Zhonghua Xueyexue Zazhi
https://www.readbyqxmd.com/read/29163847/a-relative-increase-in-circulating-platelets-following-chemoradiation-predicts-for-poor-survival-of-patients-with-glioblastoma
#10
Keeratikarn Boonyawan, Kenneth R Hess, Jie Yang, Lihong Long, Qianghu Wang, Ravesanker Ezhilarasan, Alessandra Auia, Kristin D Alfaro-Munoz, John F de Groot, Krishna P Bhat, Erik P Sulman
Background: Thrombocytosis is triggered by and promotes tumor growth. The relationship between the change in circulating platelets after chemoradiation therapy (CRT) or adjuvant temozolomide (TMZ) and survival in glioblastoma remains unclear. We hypothesized that an increase in platelets after these treatments would be predictive of a shorter survival. Methods: We retrospectively reviewed data on 122 patients with newly diagnosed, pathologically proven glioblastoma who had been treated with surgery, followed by CRT and adjuvant TMZ, from 2007 to 2016...
October 27, 2017: Oncotarget
https://www.readbyqxmd.com/read/29157614/poems-syndrome-diagnosis-and-investigative-work-up
#11
REVIEW
Angela Dispenzieri, Taxiarchis Kourelis, Francis Buadi
POEMS syndrome is a rare paraneoplastic syndrome secondary to a plasma cell dyscrasia. Recognition of a combination of peripheral neuropathy, organomegaly, endocrinopathy, monoclonal plasmaproliferative disorder, skin changes, papilledema, extravascular volume overload, sclerotic bone lesions, thrombocytosis, and Castleman disease is the first step in managing the disease. Increased blood levels of vascular endothelial growth factor are usually confirmatory. This rare disorder should not be missed, especially if the patient has a putative diagnosis of chronic inflammatory polyradiculoneuropathy, a lambda restricted monoclonal gammopathy, and thrombocytosis, and is not responding as expected to immunomodulatory therapy commonly used for chronic inflammatory polyradiculoneuropathy...
February 2018: Hematology/oncology Clinics of North America
https://www.readbyqxmd.com/read/29146407/-hemogram-profile-and-interest-of-pre-donation-hemoglobin-measurement-in-blood-donors-in-the-northwest-region-of-morocco
#12
S Bakrim, A Ouarour, K Jaidann, M Benajiba, A Masrar
BACKGROUND: Blood donation in Morocco and more particularly in the northwest region is carried out without prior determination of the pre-donation hemoglobin. In addition, we note the lack of scientific research that reports data on the red blood cells, leukocytes and platelet lines in donated blood at the regional or even national level. AIMS: To study hemogram profile in blood donors taken from the Northwest region of Morocco in order to provide decision makers of the National Center of Blood Transfusion and Hematology with valid scientific arguments to complete the criteria to donate whole blood, by the hemogram...
November 13, 2017: Transfusion Clinique et Biologique: Journal de la Société Française de Transfusion Sanguine
https://www.readbyqxmd.com/read/29145678/-thrombocytosis-and-thrombocytopenia-background-and-clinical-relevance
#13
Kai Wille, Parvis Sadjadian, Martin Griesshammer
Due to the central role of platelets in hemostasis, the clinical relevance of quantitative changes in platelet counts (< 150 G/l or > 450 G/l) may be significant. Thrombopoesis (= production of platelets) occurs in the bone marrow, and the hormone thrombopoetin takes control on its regulation.In thrombocytosis, primary causes have to be distinguished from the far more common reactive (= secondary) reasons. The most important form of primary thrombocytosis occurs in myeloproliferative neoplasms especially in essential thrombocythemia (ET)...
November 2017: Deutsche Medizinische Wochenschrift
https://www.readbyqxmd.com/read/29145319/primary-myelofibrosis-and-pregnancy-outcomes-after-low-molecular-weight-heparin-administration-a-case-report-and-literature-review
#14
Roxana Elena Bohîlţea, Monica Mihaela Cîrstoiu, Crîngu Antoniu Ionescu, Emilia Niculescu-Mizil, Ana Maria Vlădăreanu, Irina Voican, Mihai Dimitriu, Natalia Turcan
RATIONALE: Primary myelofibrosis is encountered with the myeloproliferative diseases and is the least prevalent among women of childbearing age. The prognosis is guided by pancytopenia, leukemic transformation and thrombosis which are the dominant complications. PATIENT CONCERNS: Data regarding protocol management during pregnancy in the context of myelofibrosis are insufficient. Fewer than ten cases have been described until now and half of this cases have resulted in fetal death due to placental infarction during the second and third trimesters...
November 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29119304/is-thrombocytosis-always-an-indicator-of-autosplenectomy-in-patients-with-systemic-lupus-erythematosus
#15
Döndü Üsküdar Cansu, Hava Üsküdar Teke, Ahmet Musmul, Cengiz Korkmaz
In systemic lupus erythematosus (SLE), the most commonly encountered finding related to platelets is thrombocytopenia whereas thrombocytosis is rarely reported. Our aim here was to reveal the type and the frequency of thrombocytosis in SLE patients along with its causes. Data of patients were evaluated retrospectively. Patients who had a platelet count of > 450,000/mm3 (> 450 × 109/L) in at least two subsequent counts and lasting more than 6 months during the follow-up were considered to have "persistent thrombocytosis"...
November 8, 2017: Rheumatology International
https://www.readbyqxmd.com/read/29113155/poems-syndrome-presentation-with-progressive-weakness-in-upper-and-lower-limbs-a-case-report
#16
Chuang-Jie Cao, Cheng-Yun Dou, Ke-Hua Zhou, Jin-Bo Liu, Hong Lai
Polyneuropathy, organomegaly, endocrinopathy, M proteins, and skin changes (POEMS) syndrome is a rare variant of plasma cell disorders with multiple systemic manifestations. A 50-year-old female patient presented with progressive weakness in her upper and lower limbs; tingling, numbness and burning in her feet; polyneuropathy (demyelinating in the majority of cases of POEMS syndrome); monoclonal plasma cell disorder (typicallyλ-restricted in cases of POEMS syndrome); sclerotic lesions on the spine and pelvis; organomegaly, including hepatomegaly, splenomegaly and lymphadenopathy; edema; pleural effusion; adrenal, thyroidal, pituitary, gonadal and pancreatic endocrinopathy; skin changes, including hyperpigmentation, dry skin and hypertrichosis; thrombocytosis; pulmonary hypertension; low vitamin B12 and weight loss...
November 2017: Oncology Letters
https://www.readbyqxmd.com/read/29101266/a-59-year-old-woman-with-visible-precordial-pulsations
#17
Alastair J Moss, Renzo Pessotto, Andrew D Flapan
CLINICAL INTRODUCTION: A retired 59-year-old woman presented to the cardiology clinic concerned with cardiac pulsations that were visible on her chest wall. These were not associated with dyspnoea, syncope or chest discomfort.Of note, 8 years previously, she complained of recurrent nocturnal diaphoresis and 5 kg weight loss. Blood sampling at that time revealed a microcytic anaemia, reactive thrombocytosis and raised inflammatory markers (erythrocyte sedimentation rate 99 mm/hour, C-reactive protein 161 mg/L)...
November 3, 2017: Heart: Official Journal of the British Cardiac Society
https://www.readbyqxmd.com/read/29075087/bcr-abl-and-jak2v617f-mutation-co-existence-rare-or-just-unexplored
#18
H S Darling, Rajiv Kumar, Rajan Kapoor, Jasjit Singh, Tarun Verma
Current hematology practice distinguishes chronic myeloid leukemia (CML) and other major chronic myeloproliferative neoplasms as different entities classically characterized by positivity of BCR-ABL fusion gene and JAK2V617F mutations. These are different in clinical presentation, molecular genetics, therapy and response to present treatments. Nevertheless, there have been occasional case reports of detection of both mutations in the same patient. Although some of these had been incidentally detected, most have manifested clinically while being treated for one disease...
December 2017: Indian Journal of Hematology & Blood Transfusion
https://www.readbyqxmd.com/read/29074595/ruxolitinib-vs-best-available-therapy-for-et-intolerant-or-resistant-to-hydroxycarbamide
#19
RANDOMIZED CONTROLLED TRIAL
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, Robyn 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 2 trial of ruxolitinib (JAK1/2 inhibitor) vs best available therapy (BAT) in ET and polycythemia vera patients resistant or intolerant to HC. Here, findings of MAJIC-ET are reported, where the modified intention-to-treat population included 58 and 52 patients randomized to receive ruxolitinib or BAT, respectively...
October 26, 2017: Blood
https://www.readbyqxmd.com/read/29069007/successful-eltrombopag-treatment-of-severe-refractory-thrombocytopenia-in-chronic-myelomonocytic-leukemia-two-cases-reports-a-care-compliant-article
#20
Yayue Gao, Ming Gong, Chunxia Zhang, Xudong Kong, Yigai Ma
RATIONALE: Thrombocytopenia in chronic myelomonocytic leukemia (CMML) is usually attributed to impaired marrow production resulting from cytotoxic drug use or CMML itself ("CMML-induced thrombocytopenia"). In very rare cases, immune thrombocytopenia (ITP) can be a complication of CMML ("CMML-associated ITP"). However, treatment of severe thrombocytopenia in patients with CMML is still a challenge. PATIENT CONCERNS: Case 1 was a 61-year-old female patient admitted to our hospital because of skin petechiae and purpura for 6 days...
October 2017: Medicine (Baltimore)
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