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Leukemia myelomonocytic chronic

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https://www.readbyqxmd.com/read/29122774/aleukemic-mast-cell-leukemia-associated-with-chronic-myelomonocytic-leukemia-and-chronic-lymphocytic-leukemia
#1
Zhihong Hu, Sergej Konoplev
No abstract text is available yet for this article.
November 9, 2017: Blood
https://www.readbyqxmd.com/read/29121539/clinical-and-biological-significance-of-isolated-y-chromosome-loss-in-myelodysplastic-syndromes-and-chronic-myelomonocytic-leukemia-a-report-from-the-spanish-mds-group
#2
Meritxell Nomdedeu, Arturo Pereira, Xavier Calvo, Joan Colomer, Francesc Sole, Amparo Arias, Candida Gomez, Elisa Luño, Jose Cervera, Montserrat Arnan, Helena Pomares, Fernando Ramos, Itziar Oiartzabal, Blanca Espinet, Carme Pedro, Beatriz Arrizabalaga, María Laura Blanco, Mar Tormo, Jesus Maria Hernandez-Rivas, María Díez-Campelo, Margarita Ortega, David Valcárcel, Maria-Teresa Cedena, Rosa Collado, Javier Grau, Isabel Granada, Guillermo Sanz, Elias Campo, Jordi Esteve, Dolors Costa
Isolate loss of chromosome Y (-Y) in myelodysplastic syndromes (MDS) is associated to a better outcome but it is also well described as an age-related phenomenon. In this study we aimed to analyze the prognostic impact of -Y in the context of the IPSS-R cytogenetic classification, evaluate the clinical significance of the percentage of metaphases with isolated -Y, and test whether finding -Y may predispose to over-diagnose MDS in patients with borderline morphological features. We evaluated 3581 male patients from the Spanish MDS Registry with a diagnosis of MDS or chronic myelomonocytic leukemia (CMML)...
October 28, 2017: Leukemia Research
https://www.readbyqxmd.com/read/29120827/detection-and-estimation-of-the-increasing-trend-of-cancer-incidence-in-relatively-small-populations
#3
Rina Chen, Enrique Y Bitchatchi
BACKGROUND: Detection and estimation of trends in cancer incidence rates are commonly achieved by fitting standardized rates to a joinpoint log-linear regression. The efficiency of this approach is inadequate when applied to a relatively low levels of incidence. We compared that approach with the Cuscore test with respect to detecting a log-linear increasing trend of chronic myelomonocytic leukemia (CMML) in datasets simulated to match a province of about 700,000 inhabitants. METHODS: For better efficiency, we replaced the standardized rate as the dependent variable with a continuous statistic that reflects the inverse of the standardized incidence ratio (SIR)...
October 2017: Cancer Epidemiology
https://www.readbyqxmd.com/read/29108126/high-sensitivity-of-the-hematoflow%C3%A2-solution-for-chronic-myelomonocytic-leukemia-screening
#4
Romain Vazquez, Mikael Roussel, Bouchra Badaoui, Nicolas Freynet, Sihem Tarfi, Eric Solary, Dorothée Selimoglu-Buet, Orianne Wagner-Ballon
BACKGROUND: Accumulation of classical monocytes CD14(++) CD16(-) (also called MO1) ≥94% can accurately distinguish chronic myelomonocytic leukemia (CMML) from reactive monocytosis. The HematoFlow™ solution, able to quantify CD16 negative monocytes, could be a useful tool to manage monocytosis which remains a common issue in routine laboratories. METHODS: Classical monocytes were quantified from 153 whole blood samples collected on EDTA using both flow cytometry methods, either MO1 percentage determination by the multiparameter assay previously published and regarded here as the reference method, or CD16 negative monocyte percentage determination by the means of HematoFlow™...
November 6, 2017: Cytometry. Part B, Clinical Cytometry
https://www.readbyqxmd.com/read/29102950/fibrotic-lung-toxicity-induced-by-hydroxycarbamide
#5
Elena Bargagli, Marco Palazzi, Francesco Perri, Elena Torricelli, Elisabetta Rosi, Alessandra Bindi, Massimo Pistolesi, Luca Voltolini
A patient treated for 4 months with hydroxycarbamide (hydroxyurea) for chronic myelomonocytic leukemia was admitted to hospital for recently developed severe dyspnea and acute respiratory failure. The computed tomographic scan of the chest showed diffuse ground glass opacities, some centrilobular low-density nodules (resembling hypersensitivity pneumonitis-like pattern), and minimal interstitial reticulation of the subpleural region. The analysis of bronchoalveolar lavage fluid excluded infection, as did serological examinations...
November 2017: In Vivo
https://www.readbyqxmd.com/read/29070137/-clinical-study-on-treatment-of-juvenile-myelomonocytic-leukemia-with-haploidentical-hematopoietic-stem-cell-transplantation
#6
Li Ding, Heng Zhu, Dong-Mei Han, Zhi-Dong Wang, Xiao-Li Zheng, Lei Dong, Hong-Min Yan, Jing Liu, Ling Zhu, Mei Xue, Zi-Kuan Guo, Heng-Xiang Wang
OBJECTIVE: To analyze the therapeutic efficacy of haploidentical-hematopoietic stem cell transplantation (hi-HSCT) for patients with juvenile myelomonocytic leukemia (JMML). METHODS: The engraftment of hematopoietic stem cells, incidence of graft versus host disease (GVHD), infection, relapse, and survival of 6 JMML patients received hi-HSCT were retrospectively analyzed. RESULTS: Six (6 males) JMML patients received hi-HSCT from haplo-HLA-matched related donors...
October 2017: Zhongguo Shi Yan Xue Ye Xue za Zhi
https://www.readbyqxmd.com/read/29069007/successful-eltrombopag-treatment-of-severe-refractory-thrombocytopenia-in-chronic-myelomonocytic-leukemia-two-cases-reports-a-care-compliant-article
#7
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)
https://www.readbyqxmd.com/read/29064026/models-of-prognostication-in-chronic-myelomonocytic-leukemia
#8
REVIEW
Francesco Onida
PURPOSE OF REVIEW: Within the group of the myelodysplastic/myeloproliferative overlap neoplasms of the adult age, chronic myelomonocytic leukemia (CMML) is characterized by an extremely variable clinical course. This review aims to cover over the years main advancements in the identification of CMML clinical and biological features associated to survival outcomes and the consequent development of prognostic tools for individual patient treatment decision making. RECENT FINDINGS: According to the last WHO classification of myeloid neoplasms, three subgroups of patients may be recognized on the base of percentage of blasts in marrow and in peripheral blood (CMML-0, CMML-1, and CMML-2), with corresponding decreasing life-expectations...
October 24, 2017: Current Hematologic Malignancy Reports
https://www.readbyqxmd.com/read/29032731/cytogenetic-risk-stratification-may-predict-allogeneic-hematopoietic-stem-cell-transplantation-outcomes-for-chronic-myelomonocytic-leukemia
#9
Kenji Motohashi, Shin Fujisawa, Noriko Doki, Takeshi Kobayashi, Takehiko Mori, Kensuke Usuki, Masatsugu Tanaka, Shinichiro Fujiwara, Shinichi Kako, Yasuyuki Aoyama, Masahiro Onoda, Shingo Yano, Moritaka Gotoh, Heiwa Kanamori, Satoshi Takahashi, Shinichiro Okamoto
Allogeneic hematopoietic stem cell transplantation (allo-HSCT) is the only curative treatment for chronic myelomonocytic leukemia (CMML); however, factors predicting allo-HSCT outcomes for CMML have not been well defined. This study assessed whether the existing five scoring systems for CMML prognosis could be applied for predicting allo-HSCT outcomes. We retrospectively evaluated 38 patients who underwent allo-HSCT for CMML from 2000 to 2014. At 3 years, overall survival (OS) and disease-free survival were 34...
October 16, 2017: Leukemia & Lymphoma
https://www.readbyqxmd.com/read/29023992/therapy-related-chronic-myelomonocytic-leukemia-cmml-molecular-cytogenetic-and-clinical-distinctions-from-de-novo-cmml
#10
Mrinal M Patnaik, Rangit Vallapureddy, Fevzi F Yalniz, Curtis A Hanson, Rhett P Ketterling, Terra L Lasho, Christy Finke, Aref Al-Kali, Naseema Gangat, Ayalew Tefferi
Therapy related myeloid neoplasms (t-MN) including therapy related myelodysplastic syndromes (t-MDS) and acute myeloid leukemia (t-AML) are associated with aggressive disease biologies and poor outcomes. In this large (n = 497) and informative (inclusive of molecular and cytogenetic information) chronic myelomonocytic leukemia (CMML) patient cohort, we demonstrate key biological insights and an independent prognostic impact for t-CMML. T-CMML was diagnosed in 9% of patients and occurred approximately 7 years after exposure to prior chemotherapy and/or radiation therapy...
October 11, 2017: American Journal of Hematology
https://www.readbyqxmd.com/read/28983777/therapy-for-chronic-myelomonocytic-leukemia-in-a-new-era
#11
REVIEW
Tamara K Moyo, Michael R Savona
Chronic myelomonocytic leukemia (CMML) is a myeloid malignancy which shares clinical and morphologic features of myelodysplastic syndromes (MDS) and myeloproliferative neoplasms (MPNs) and is classified by the WHO as an MDS/MPN. The defining feature of CMML is clonal hematopoiesis that results in peripheral monocytosis. The benefit of early treatment is currently unclear, and treatment may be held until the disease exhibits accelerated blast counts or the patient becomes symptomatic. Optimal treatments for CMML are not well defined...
October 2017: Current Hematologic Malignancy Reports
https://www.readbyqxmd.com/read/28926427/dna-methylation-targeted-drugs
#12
Elodie M Da Costa, Gabrielle McInnes, Annie Beaudry, Noël J-M Raynal
Targeting DNA hypermethylation, using nucleoside analogs, is an efficient approach to reprogram cancer cell epigenome leading to reduced proliferation, increased differentiation, recognition by the immune system, and ultimately cancer cell death. DNA methyltransferase inhibitors have been approved for the treatment of myelodysplastic syndromes, chronic myelomonocytic leukemia, and acute myelogenous leukemia. To improve clinical efficacy and overcome mechanisms of drug resistance, a second generation of DNA methyltransferase inhibitors has been designed and is currently in clinical trials...
September 2017: Cancer Journal
https://www.readbyqxmd.com/read/28912296/exuberant-nodal-proliferation-of-mature-plasmacytoid-dendritic-cells-in-a-patient-with-chronic-myelomonocytic-leukemia
#13
Huan-You Wang, Andrew L Feldman
No abstract text is available yet for this article.
September 14, 2017: Blood
https://www.readbyqxmd.com/read/28905323/phase-i-study-of-panobinostat-and-5-azacitidine-in-japanese-patients-with-myelodysplastic-syndrome-or-chronic-myelomonocytic-leukemia
#14
Yukio Kobayashi, Wataru Munakata, Michinori Ogura, Toshiki Uchida, Masafumi Taniwaki, Tsutomu Kobayashi, Fumika Shimada, Masataka Yonemura, Fumiko Matsuoka, Takeshi Tajima, Kimikazu Yakushijin, Hironobu Minami
The current therapy for high-risk myelodysplastic syndrome (MDS) involves repeated cycles of the DNA demethylating agent 5-azacitidine (5-Aza), but combination treatments have been proposed to improve patient outcomes. We performed a phase Ib study to investigate the safety and tolerability of 5-Aza (75 mg/m(2)) combined with the histone deacetylase inhibitor panobinostat (PAN) in adult Japanese patients with MDS or chronic myelomonocytic leukemia (CMML). Eleven patients were enrolled; five received 20 mg PAN + 5-Aza and six received 30 mg PAN + 5-Aza...
September 13, 2017: International Journal of Hematology
https://www.readbyqxmd.com/read/28885734/chronic-myelomonocytic-leukemia-masquerading-as-cutaneous-indeterminate-dendritic-cell-tumor-expanding-the-spectrum-of-skin-lesions-in-chronic-myelomonocytic-leukemia
#15
Sanam Loghavi, Jonathan L Curry, Guillermo Garcia-Manero, Keyur P Patel, Jie Xu, Joseph D Khoury, Carlos A Torres-Cabala, Priyadharsini Nagarajan, Phyu P Aung, Bernard R Gibson, Brandon P Goodwin, Brent C Kelly, Brinda R Korivi, L Jeffrey Medeiros, Victor G Prieto, Hagop M Kantarjian, Carlos E Bueso-Ramos, Michael T Tetzlaff
Chronic myelomonocytic leukemia (CMML) is a hematopoietic stem cell neoplasm exhibiting both myelodysplastic and myeloproliferative features. Cutaneous involvement by CMML is critical to recognize as it typically is a harbinger of disease progression and an increased incidence of transformation to acute myeloid leukemia. Cutaneous lesions of CMML exhibit heterogeneous histopathologic features that can be challenging to recognize as CMML. We describe a 67-year-old man with a 3-year history of CMML who had been managed on single-agent azacitidine with stable disease before developing splenomegaly and acute onset skin lesions...
September 8, 2017: Journal of Cutaneous Pathology
https://www.readbyqxmd.com/read/28880462/indeterminate-dendritic-cell-neoplasm-of-the-skin-a-2-case-report-and-review-of-the-literature
#16
Pedro Horna, Haipeng Shao, Afshan Idrees, L Frank Glass, Carlos A Torres-Cabala
Indeterminate dendritic cell neoplasm (IDCN) is an exceedingly rare and mostly cutaneous histiocytosis, frequently associated with other hematopoietic malignancies. We report 2 cases of multilesional cutaneous IDCN. A 55-year-old male with no associated malignancy and complete response to ultraviolet phototherapy; and a 72-year-old male with chronic myelomonocytic leukemia (CMML). Both cases showed histiocytoid cytology, positivity for CD1a and no expression of langerin or BRAF(V600E) . With our patients, the literature describes 79 cases of IDCNs, including 65 (82%) with only skin involvement, 7 cases (9%) with involvement of skin and a second site, 5 cases (6%) involving lymph nodes only, 1 splenic lesion and 1 systemic disease...
November 2017: Journal of Cutaneous Pathology
https://www.readbyqxmd.com/read/28853315/a-phase-i-study-of-lenalidomide-in-patients-with-chronic-myelomonocytic-leukemia-cmml-agmt_cmml-1
#17
Sonja Burgstaller, Reinhard Stauder, Thomas Kuehr, Alois Lang, Sigrid Machherndl-Spandl, Beate Mayrbaeurl, Thomas Noesslinger, Andreas Petzer, Peter Valent, Richard Greil, Josef Thaler
According to former classification systems chronic myelomonocytic leukemia (CMML) is listed within myelodysplastic syndromes (MDS). Therefore data regarding treatment of CMML is largely derived from MDS trials. Two published studies suggest efficacy of lenalidomide in a proportion of patients with CMML, but the number of patients included was very low. We initiated this phase I trial with lenalidomide in patients with CMML. Primary objective of the current study was to determine the maximum tolerated dose (MTD)...
August 30, 2017: Leukemia & Lymphoma
https://www.readbyqxmd.com/read/28842140/blastic-transformation-in-mexican-population-with-chronic-myelomonocytic-leukemia
#18
Alfonso Rivera Duarte, Alejandra Armengol Alonso, Elena Sandoval Cartagena, Elena Tuna Aguilar
BACKGROUND: Chronic myelomonocytic leukemia (CMML) is the most aggressive of chronic leukemias, with short overall survival and a high transformation rate to acute leukemia. We investigated the factors related to blastic transformation in a Mexican population treated at a tertiary referral center. PATIENTS AND METHODS: The records of patients with a diagnosis of CMML from 2000 to 2015 were reviewed. A total of 54 patients were included, with a median age of 71 years and an overall survival of 16 months...
August 2017: Clinical Lymphoma, Myeloma & Leukemia
https://www.readbyqxmd.com/read/28826859/tet2-restrains-inflammatory-gene-expression-in-macrophages
#19
Alyssa H Cull, Brooke Snetsinger, Rena Buckstein, Richard A Wells, Michael J Rauh
Tet methylcytosine dioxygenase 2 (TET2) is one of the earliest and most frequently mutated genes in clonal hematopoiesis of indeterminate potential (CHIP) and myeloid cancers, including myelodysplastic syndromes (MDS) and chronic myelomonocytic leukemia (CMML). TET2 catalyzes the oxidation of 5-methylcytosine to 5-hydroxymethylcytosine, leading to DNA demethylation, and also affects transcription by recruiting histone modifiers. Inactivating TET2 mutations cause epigenetic dysregulation, clonal hematopoietic stem cell (HSC) dominance, and monocytic lineage skewing...
November 2017: Experimental Hematology
https://www.readbyqxmd.com/read/28812528/acute-leukemia-in-horses
#20
Carina J Cooper, Stefan M Keller, Luis G Arroyo, Joanne Hewson, Daniel Kenney, Dorothee Bienzle
Leukemia is broadly divided into acute and chronic lymphocytic and myeloid types based on the proportion of blasts, morphology of cells, and expression of specific antigens on neoplastic cells. Classifying leukemia in horses can be challenging if blasts predominate and since few antibodies to identify cell types are available. The objective of this study was to describe in detail the clinical and pathologic features of acute leukemia in horses. Twelve horses ranging from 0.2 to 25.9 years of age were diagnosed with acute leukemia...
January 1, 2017: Veterinary Pathology
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