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Hairy cell leukemia

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https://www.readbyqxmd.com/read/28325251/interferon-induced-thrombotic-microangiopathy-tma-analysis-and-concise-review
#1
REVIEW
Ajay Kundra, Jen Chin Wang
Interferon (IFN) has been associated with development of thrombotic microangiopathy including thrombotic thrombocytopenic purpura (TTP) and hemolytic uremic syndrome (HUS). We reviewed literature from the earliest reported association in 1993, to July 2016 and found 68 cases. Analysis of this data shows: (1) Mean age at diagnosis was 47 years (95% CI, 44-50). (2) Majority of cases were seen where IFN was used for the treatment of chronic myelogenous leukemia (CML), multiple sclerosis (MS), chronic hepatitis C virus infection (HCV) and one case each for hairy cell leukemia (HCL) and Sezary syndrome...
April 2017: Critical Reviews in Oncology/hematology
https://www.readbyqxmd.com/read/28302693/langerhans-cell-histiocytosis-in-a-patient-with-hairy-cell-leukemia-a-tale-of-divergence
#2
Sanam Loghavi, Joseph D Khoury
No abstract text is available yet for this article.
March 16, 2017: Blood
https://www.readbyqxmd.com/read/28297625/genomics-of-hairy-cell-leukemia
#3
Enrico Tiacci, Valentina Pettirossi, Gianluca Schiavoni, Brunangelo Falini
Hairy cell leukemia (HCL) is a chronic mature B-cell neoplasm with unique clinicopathologic features and an initial exquisite sensitivity to chemotherapy with purine analogs; however, the disease relapses, often repeatedly. The enigmatic pathogenesis of HCL was recently clarified by the discovery of its underlying genetic cause, the BRAF-V600E kinase-activating mutation, which is somatically and clonally present in almost all patients through the entire disease spectrum and clinical course. By aberrantly activating the RAF-MEK-ERK signaling pathway, BRAF-V600E shapes key biologic features of HCL, including its specific expression signature, hairy morphology, and antiapoptotic behavior...
March 20, 2017: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28282218/immunotoxins-in-cancer-therapy-review-and-update
#4
Bahman Akbari, Safar Farajnia, Shiva Ahdi Khosroshahi, Fatemeh Safari, Mohammadreza Yousefi, Hassan Dariushnejad, Leila Rahbarnia
Immunotoxins are a novel class of cancer therapeutics that contains a cytotoxic agent fused to a targeting moiety. Various toxic agents from different sources are used in immunotoxin development, including bacterial, plant and human origin cytotoxic elements. Although bacterial and plant-derived toxins are highly toxic and commonly used in immunotoxins, their immunogenicity for human restricted their application in cancer therapy. Here, we discuss the advantages and limitations of bacterial toxins such as Pseudomonas and Diphtheria toxins, plant toxins such as ricin and gelonin, and some endogenous protein of human origin such as RNases and Granzymes...
March 1, 2017: International Reviews of Immunology
https://www.readbyqxmd.com/read/28275540/a-rare-breed-wild-type-braf-and-ighv-expression-in-a-29-year-old-lady-with-classical-hairy-cell-leukemia
#5
Aneesha Hossain, Hind Rafei, Amar Jariwala, Khaled El-Shami
The V600 BRAF mutation has been described as a key mutation in the pathogenesis of classical hairy cell leukemia (c-HCL) cases without expression of a mutant immunoglobulin heavy chain (IgHV). Here we present a rare case of c-HCL with neither V600 BRAF mutation nor the aforementioned IgHV variant successfully treated with cladribine and review the current literature on its use in women of childbearing age/pregnancy.
2017: Leukemia Research Reports
https://www.readbyqxmd.com/read/28270371/an-unusual-giant-leg-ulcer-as-a-rare-presentation-of-sweet-s-syndrome-in-a-patient-with-hairy-cell-leukemia-succesfully-managed-by-splenectomy
#6
Hakan Özdoğu, Mahmut Yeral, Can Boğa
No abstract text is available yet for this article.
March 8, 2017: Turkish Journal of Haematology: Official Journal of Turkish Society of Haematology
https://www.readbyqxmd.com/read/28261866/morphologic-and-immunophenotypic-features-of-hairy-cell-leukemia-involving-lymph-nodes-and-extranodal-tissues
#7
Jacqueline M Cortazar, Daniel J DeAngelo, Geraldine S Pinkus, Elizabeth A Morgan
Hairy cell leukemia (HCL) is a rare B-cell neoplasm that mainly affects bone marrow (BM), peripheral blood (PB), and spleen. Involvement of lymph nodes and extranodal structures is considered infrequent. Herein we describe our institutional experience of nodal (n=10) and extranodal (n=3) HCL over a thirty-year period. Ten patients had prior evidence of HCL within the BM or PB at a median 35.8 months before nodal/extranodal diagnosis (range, <1 to 175 months), and HCL was diagnosed concurrently within the bone marrow of 1 additional patient...
March 6, 2017: Histopathology
https://www.readbyqxmd.com/read/28253394/clinical-and-radiologic-responses-to-cladribine-for-the-treatment-of-erdheim-chester-disease
#8
Gaurav Goyal, Mithun V Shah, Timothy G Call, Mark R Litzow, William J Hogan, Ronald S Go
Importance: While cladribine is best known for the treatment of hairy cell leukemia and other lymphoid cancers, it also has activity against myeloid neoplasms, such as Erdheim-Chester disease (ECD). Objective: To assess the efficacy of cladribine (2-chloro-2'-deoxyadenosine) in the treatment of ECD. Design, Setting, and Participants: This study was a single-institution retrospective medical record review from January 1, 1998, to April 6, 2016, at a tertiary academic medical center...
March 2, 2017: JAMA Oncology
https://www.readbyqxmd.com/read/28214980/sil2r-ratio-as-early-marker-for-response-in-hairy-cell-leukemia-and-the-prognostic-relevance-of-il28b-genotype-to-interferon-%C3%AE-therapy
#9
Stéphanie Jud, Jeroen S Goede, Oliver Senn, Katharina Spanaus, Markus G Manz, Rudolf Benz
Interferon-α (IFNα) was the first effective drug therapy for hairy cell leukemia (HCL). Nowadays, it is used as an alternative treatment in selected patients. Due to unlimited treatment time, monitoring and early prediction of response are important. Moreover, IFNα is used in the therapy of chronic hepatitis C, where a single nucleotide polymorphism of interleukin-28B gene (IL28B) correlates with therapy response. The role of this polymorphism in therapy response of IFNα-treated patients with HCL is unknown...
February 18, 2017: Annals of Hematology
https://www.readbyqxmd.com/read/28092880/lymphocytosis-villi-and-nucleoli-a-variant-of-hairy-cell-leukemia
#10
Tatiana Zarpelão Ferreira, Alex Freire Sandes
No abstract text is available yet for this article.
August 18, 2016: Blood
https://www.readbyqxmd.com/read/27981789/comparison-of-abnormal-cell-flagging-of-the-hematology-analyzers-sysmex-xn-and-sysmex-xe-5000-in-oncohematologic-patients
#11
COMPARATIVE STUDY
J R Furundarena, M Sainz, A Uranga, L Cuevas, I Lopez, J Zubicaray, A Bizjak, N Robado, M Araiz
INTRODUCTION: Hematology analyzers should optimize flagging while minimizing false-negative results and unnecessary microscopic reviews. METHODS: We compared flagging performance of Sysmex XE-5000 and XN analyzers in oncohematologic patients. Differential counts were performed by Cellavision digital system (100 cells) and a hematologist (another 100 cells). RESULTS: First, we included 292 samples (86 with blasts): 28 acute lymphoblastic leukemia, 88 acute myeloid leukemia, 91 myelodysplastic syndromes, 45 chronic myeloproliferative neoplasms, and 40 chronic myelomonocytic leukemia...
February 2017: International Journal of Laboratory Hematology
https://www.readbyqxmd.com/read/27910030/recurrent-cytogenetic-abnormalities-in-non-hodgkin-s-lymphoma-and-chronic-lymphocytic-leukemia
#12
Edmond S K Ma
Characteristic chromosomal translocations are found to be associated with subtypes of B-cell non-Hodgkin lymphoma (NHL), for example t(8;14)(q24;q32) and Burkitt lymphoma, t(14;18)(q32;q21) and follicular lymphoma, and t(11;14)(q13;q32) in mantle cell lymphoma. Only few recurrent cytogenetic aberrations have been identified in the T-cell NHL and the best known is the ALK gene translocation t(2;5)(p23;q35) in anaplastic large cell lymphoma. Since lymph node or other tissue is seldom submitted for conventional cytogenetics study, alternative approaches for translocation detection are polymerase chain reaction (PCR) or fluorescence in situ hybridization (FISH)...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/27903528/consensus-guidelines-for-the-diagnosis-and-management-of-patients-with-classic-hairy-cell-leukemia
#13
REVIEW
Michael R Grever, Omar Abdel-Wahab, Leslie A Andritsos, Versha Banerji, Jacqueline Barrientos, James S Blachly, Timothy G Call, Daniel Catovsky, Claire Dearden, Judit Demeter, Monica Else, Francesco Forconi, Alessandro Gozzetti, Anthony D Ho, James B Johnston, Jeffrey Jones, Gunnar Juliusson, Eric Kraut, Robert J Kreitman, Loree Larratt, Francesco Lauria, Gerard Lozanski, Emili Montserrat, Sameer A Parikh, Jae H Park, Aaron Polliack, Graeme R Quest, Kanti R Rai, Farhad Ravandi, Tadeusz Robak, Alan Saven, John F Seymour, Tamar Tadmor, Martin S Tallman, Constantine Tam, Enrico Tiacci, Xavier Troussard, Clive S Zent, Thorsten Zenz, Pier Luigi Zinzani, Brunangelo Falini
Hairy cell leukemia is an uncommon hematologic malignancy characterized by pancytopenia and marked susceptibility to infection. Tremendous progress in the management of patients with this disease has resulted in high response rates and improved survival, yet relapse and an appropriate approach to re-treatment present continuing areas for research. The disease and its effective treatment are associated with immunosuppression. Because more patients are being treated with alternative programs, comparison of results will require general agreement on definitions of response, relapse, and methods of determining minimal residual disease...
February 2, 2017: Blood
https://www.readbyqxmd.com/read/27803415/toxoplasmic-encephalitis-with-untreated-hairy-cell-leukemia-variant
#14
Taichi Ikebe, Hitohiro Sasaki, Hiroyuki Takata, Yasuhiko Miyazaki, Eiichi Ohtsuka, Yoshio Saburi, Masao Ogata, Kuniaki Shirao
Toxoplasmic encephalitis is a rare infectious complication in patients with hematological malignancy except for allogeneic hematopoietic stem cell transplantation (HSCT). We herein report a case of possible toxoplasmic encephalitis with untreated hairy cell leukemia variant. Magnetic resonance imaging showed multiple nodules with surrounding edema in the entire cerebrum. A polymerase chain reaction analysis for Toxoplasma gondii was negative. Her signs and symptoms fully recovered by empirical therapy with sulfadiazine and pyrimethamine...
2016: Internal Medicine
https://www.readbyqxmd.com/read/27790140/the-droplet-digital-pcr-a-new-valid-molecular-approach-for-the-assessment-of-b-raf-v600e-mutation-in-hairy-cell-leukemia
#15
Francesca Guerrini, Matteo Paolicchi, Francesco Ghio, Elena Ciabatti, Susanna Grassi, Serena Salehzadeh, Giacomo Ercolano, Maria R Metelli, Marzia Del Re, Lorenzo Iovino, Iacopo Petrini, Giovanni Carulli, Nadia Cecconi, Martina Rousseau, Giulia Cervetti, Sara Galimberti
Hairy cell leukemia (HCL) is a chronic lymphoproliferative B-cell disorder where the B-RAF V600E mutation has been recently detected, as reported for solid neoplasias but not for other B-cell lymphomas. The digital droplet PCR (dd-PCR) is a molecular technique that, without standard references, is able to accurately quantitate DNA mutations. ddPCR could be an useful instrument for the detection of the B-RAF V600E mutation in HCL, where the minimal residual disease monitoring is fundamental for planning a patients-targeted treatment in the era of new anti-CD20 and anti-RAF compounds...
2016: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/27733095/ibrutinib-for-relapsed-refractory-hairy-cell-leukemia-variant
#16
Jan-Paul Bohn, David Wanner, Michael Steurer
No abstract text is available yet for this article.
October 12, 2016: Leukemia & Lymphoma
https://www.readbyqxmd.com/read/27727469/refractory-hairy-cell-leukemia-variant
#17
Zhihong Hu, Yi Sun, Wei Wang, L Jeffrey Medeiros, Rashmi Kanagal-Shamanna
No abstract text is available yet for this article.
October 11, 2016: American Journal of Hematology
https://www.readbyqxmd.com/read/27725920/flow-cytometric-analysis-four-year-experience-in-a-tertiary-care-centre-of-pakistan
#18
Imran N Ahmad, Salman Assad, Muhammad Rahman, Haider Ghazanfar
PURPOSE:   This study summarizes a four-year experience from the analysis of hematolymphoid malignancies in Pakistani population using a database of six-colored flow cytometry. METHODS: A cross-sectional survey of 323 specimens of hematolymphoid malignancies using six-colored flow cytometry (FC) was carried out in Shifa International Hospital, Islamabad, Pakistan from June 2012 to June 2016. The criterion for specimen adequacy was that the cases have abnormal populations by FC, and the specimen age (time from biopsy to being examined by the six-color FC tube) of three days or less was to be included in the study...
September 1, 2016: Curēus
https://www.readbyqxmd.com/read/27721294/primary-plasma-cell-leukemia-a-report-of-two-cases-of-a-rare-and-aggressive-variant-of-plasma-cell-myeloma-with-the-review-of-literature
#19
REVIEW
Prithal Gangadhar, Zulfikar Ahmed, Muktha R Pai, I Sandhya
Plasma cell leukemia (PCL) is a rare and aggressive variant of myeloma accounting for 2-3% of all plasma cell dyscrasias characterized by the presence of circulating plasma cells. The diagnosis is based on the % (≥20%) and absolute number (≥2x10 9 /L) of plasma cells in the peripheral blood. The incidence of primary PCL (pPCL) is very rare and reported to occur in <1 in a million. It is classified as either pPCL occurring at diagnosis or as secondary PCL in patients with relapsed/refractory myeloma. pPCL is a distinct clinicopathological entity with different cytogenetic and molecular findings...
October 2016: Indian Journal of Pathology & Microbiology
https://www.readbyqxmd.com/read/27685932/composite-hairy-cell-leukemia-and-chronic-lymphocytic-leukemia
#20
Alexandra Papoudou-Bai, Amalia Vassou, Georgios Vartholomatos, Evangelos Briasoulis, Panagiotis Kanavaros
No abstract text is available yet for this article.
July 2016: Journal of B.U.ON.: Official Journal of the Balkan Union of Oncology
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