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https://www.readbyqxmd.com/read/28536306/chronic-lymphocytic-leukemia-with-mutated-ighv4-34-receptors-shared-and-distinct-immunogenetic-features-and-clinical-outcomes
#1
Aliki Xochelli, Panagiotis Baliakas, Ioannis Kavakiotis, Andreas Agathangelidis, Lesley-Ann Sutton, Eva Minga, Stavroula Ntoufa, Eugen Tausch, Xiao-Jie Yan, Tait D Shanafelt, Karla Plevova, Myriam Boudjogra, Davide Rossi, Zadie Davis, Alba Navarro, Yorick Sandberg, Fie Juhl Vojdeman, Lydia Scarfò, Niki Stavroyianni, Andrey Sudarikov, Silvio Veronese, Tatiana Tzenou, Teodora Karan Djurasevic, Mark A Catherwood, Dirk Kienle, Maria Chatzouli, Monica Facco, Jasmin Bahlo, Christiane Pott, Lone Bredo Pedersen, Larry Mansouri, Karin E Smedby, Charles C Chu, Véronique Giudicelli, Marie-Paule Lefranc, Panagiotis Panagiotidis, Gunnar Juliusson, Achilles Anagnostopoulos, Ioannis Vlahavas, Darko Antic, Livio Trentin, Marco Montillo, Carsten U Niemann, Hartmut Dohner, Anton W Langerak, Sarka Pospisilova, Michael Hallek, Elias Campo, Nicholas- Chiorazzi, Nikos Maglaveras, David Oscier, Gianluca Gaidano, Diane F Jelinek, Stephan Stilgenbauer, Ioanna Chouvarda, Nikos Darzentas, Chrysoula Belessi, Frédéric Davi, Anastasia Hadzidimitriou, Richard Rosenquist, Paolo Ghia, Kostas Stamatopoulos
We sought to investigate if B cell receptor immunoglobulin (BcR IG) stereotypy is associated with particular clinicobiological features amongst chronic lymphocytic leukemia (CLL) patients expressing mutated BcR IG (M-CLL) encoded by the IGHV4-34 gene, and also ascertain whether these associations could refine prognostication.<br /> <p>Experimental Design: In a series of 19,907 CLL cases with available immunogenetic information, we identified 339 IGHV4-34 expressing cases assigned to one of the four largest stereotyped M-CLL subsets, namely subsets #4, #16, #29 and #201, and investigated in detail their clinicobiological characteristics and disease outcomes...
May 23, 2017: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/28517553/ifi16-reduced-expression-is-correlated-with-unfavorable-outcome-in-chronic-lymphocytic-leukemia
#2
Pier Paolo Piccaluga, Claudio Agostinelli, Simona Righi, Maria Ciccone, Maria Carla Re, Giuseppina Musumeci, Erica Diani, Caterina Signoretto, Isabella Bon, Ottavio Piccin, Antonio Cuneo, Claudio Tripodo, Cristina Ponti, Donato Zipeto, Santo Landolfo, Davide Gibellini
Chronic lymphocytic leukemia (CLL) is the most common leukemia in adults. Its clinical course is typically indolent; however, based on a series of pathobiological, clinical, genetic, and phenotypic parameters, patient survival varies from less than 5 to more than 20 years. In this paper, we show for the first time that the expression of the interferon-inducible DNA sensor IFI16, a member of the PYHIN protein family involved in proliferation inhibition and apoptosis regulation, is associated with the clinical outcome in CLL...
May 18, 2017: APMIS: Acta Pathologica, Microbiologica, et Immunologica Scandinavica
https://www.readbyqxmd.com/read/28515100/detection-of-chromosomal-translocation-in-hematologic-malignancies-by-a-novel-dna-based-looped-ligation-assay-lola
#3
Shuko Harada, Emily Sizzle, Ming-Tseh Lin, Christopher D Gocke
BACKGROUND: Disease-defining chromosomal translocations are seen in various neoplasms, especially in lymphomas and leukemias. Translocation detection at the DNA level is often complicated by chromosomal breakpoints that are distributed over very large regions. We have developed a ligation-based assay [the looped ligation assay (LOLA)] to detect translocations from diseases with multiple widely spaced breakpoint hot spots. METHODS: Oligonucleotide sets that probe breakpoints of IGH-BCL2 (immunoglobulin heavy-apoptosis regulator) in follicular lymphoma (FL), MYC-IGH (MYC proto-oncogene, bHLH transcription factor- immunoglobulin heavy) in Burkitt lymphoma (BL) and BCR-ABL1 (RhoGEF and GTPase activating protein-ABL proto-oncogene 1, non-receptor tyrosine kinase) in chronic myelogenous leukemia (CML) were designed...
May 17, 2017: Clinical Chemistry
https://www.readbyqxmd.com/read/28485366/plasma-cell-leukemia-single-institution-experience
#4
K Govind Babu, Linu Abraham Jacob, Ankit Agarwal, K C Lakshmaiah, D Lokanatha, M C Suresh Babu, L K Rajeev, K N Lokesh, A H Rudresha
BACKGROUND: The first case of plasma cell leukemia (PCL) was recognized by Gluzinski and Reichentein. It is the most aggressive among the monoclonal gammopathies. It is diagnosed by the presence of more than 20% plasma cells in the peripheral blood or an absolute plasma cell count of> 2000/mm3. Because of the relatively low incidence, most data come from case reports and retrospective studies. No prospective series have been published, and only seven reports including more than twenty patients have been identified...
October 2016: Indian Journal of Cancer
https://www.readbyqxmd.com/read/28481685/a-case-series-of-imatinib-induced-generalized-hypopigmentation-and-progression-of-existing-acquired-dermal-melanocytosis
#5
Wai Leong Kok, Qiping Chen, Siong See Joyce Lee, Sze Hon Chua, See Ket Ng
Imatinib mesylate is a tyrosine kinase inhibitor used in the treatment of oncological conditions, including chronic myeloid leukemia and gastrointestinal stromal tumors. The most frequent dermatological side effect reported is pigmentary abnormalities. We report a case series of three Asian Chinese females with pre-existing acquired dermal melanocytosis that progressed after initiation of imatinib treatment, and concurrently developed generalized hypopigmentation of the skin. All three patients had similar histological findings on skin biopsy...
May 8, 2017: Journal of Dermatological Treatment
https://www.readbyqxmd.com/read/28473690/clinical-and-laboratory-features-of-cd5-negative-chronic-lymphocytic-leukemia
#6
Cengiz Demir, Erdal Kara, Ömer Ekinci, Senar Ebinç
BACKGROUND Chronic lymphocytic leukemia (CLL) usually expresses CD5 antigen. However, 7-20% of patients are CD5 negative. We report here a series of 19 CD5-negative B-CLL cases. MATERIAL AND METHODS We reviewed 19 consecutive CD5-negative B-CLL cases seen in our medical center from 2009 to 2015 and compared them with 105 CD5-positive B-CLL cases. The two groups were compared in terms of clinical parameters, laboratory parameters, and survival characteristics. RESULTS Lymphadenopathy was present in 31.5% of the CD5-negative group and 51...
May 5, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28452860/osteonecrosis-of-the-shoulders-in-pediatric-patients-treated-for-leukemia-or-lymphoma-single-institutional-experience
#7
Sue C Kaste, Brian M DeFeo, Michael D Neel, Kenneth S Weiss, Israel Fernandez-Pineda, Kiri K Ness
BACKGROUND: Osteonecrosis of the hips and knees is an often debilitating adverse event in children treated with glucocorticoids for leukemia and lymphoma but the impact of shoulder involvement has been understudied. Thus, we investigated the severity and functional impairment of shoulder osteonecrosis in a well-characterized population of pediatric patients treated for acute lymphoblastic leukemia or lymphoma. METHODS: We retrospectively reviewed orthopaedic clinic and physical therapy evaluations to determine range of motion (ROM), pain, and impact of magnetic resonance-defined osteonecrosis (ON) on activities of daily living...
April 27, 2017: Journal of Pediatric Orthopedics
https://www.readbyqxmd.com/read/28407515/high-cd200-expression-is-associated-with-poor-prognosis-in-cytogenetically-normal-acute-myeloid-leukemia-even-in-flt3-itd-npm1-patients
#8
Mario Tiribelli, Donatella Raspadori, Antonella Geromin, Margherita Cavallin, Santina Sirianni, Erica Simeone, Monica Bocchia, Renato Fanin, Daniela Damiani
Overexpression of CD200, a trans-membrane protein belonging to the immunoglobulin superfamily, has been associated with poor prognosis in patients with acute myeloid leukemia (AML). As few data are available in the subset of cytogenetically-normal (CN) AML, we retrospectively evaluated the correlations between CD200 expression and response to therapy in a series of 139 adults with CN-AML. CD200 was expressed in 67/139 (48%) cases; 18 of them (28%) expressed CD200 at high intensity. No differences in CD200 expression rate were observed according to age, WBC count, type of leukemia, FLT3 or NMP1 mutation, and CD56 expression...
April 4, 2017: Leukemia Research
https://www.readbyqxmd.com/read/28405080/myeloid-sarcoma-causing-airway-obstruction
#9
Aaron R Belknap, John R Krause
Myeloid sarcoma is an extramedullary collection of blasts of the myeloid series that partially or totally effaces the architecture of the tissue in which it is found. These tumors have been described in many sites of the body, but the skin, lymph nodes, gastrointestinal tract, bone, soft tissue, and testes are most common. They can arise in a patient following the diagnosis of acute myeloid leukemia, but they may also be precursors of leukemia and should be considered diagnostic for acute myeloid leukemia. The differential diagnosis of this neoplasm includes malignant lymphoma, with which it is often mistaken, leading to diagnostic and therapeutic delays...
April 2017: Proceedings of the Baylor University Medical Center
https://www.readbyqxmd.com/read/28375825/spontaneous-neoplasms-in-captive-virginia-opossums-didelphis-virginiana-a-retrospective-case-series-1989-2014-and-review-of-the-literature
#10
Jenny P Pope, Robert L Donnell
This retrospective project summarizes the types of neoplasms identified in Virginia opossums ( Didelphis virginiana) presented to the University of Tennessee, College of Veterinary Medicine (UTCVM) postmortem service in 1989-2014 and serves as a review of the literature. Of the 85 Virginia opossums identified from the UTCVM case database, there were 17 diagnoses of neoplasia from 12 cases (14%). These cases included 8 females, 2 males, and 2 neutered males. All opossums with known ages (11 of 12) were >2 y old...
April 1, 2017: Journal of Veterinary Diagnostic Investigation
https://www.readbyqxmd.com/read/28356770/breast-cancer-in-patients-with-li-fraumeni-syndrome-a-case-series-study-and-review-of-literature
#11
Amara G Nandikolla, Sangeetha Venugopal, Jesus Anampa
BACKGROUND: Li-Fraumeni Syndrome (LFS) is a rare disease with autosomal dominant inheritance linked to germline mutations of tumor suppressor gene TP53. These patients are predisposed to malignancies such as sarcoma, breast cancer, leukemia, and other malignancies. Breast cancer, the most common malignancy in adult patients with LFS, has an early-onset presentation and is usually treated as per the guidelines for the general population due to the limited literature about breast cancer in LFS...
2017: Breast Cancer: Targets and Therapy
https://www.readbyqxmd.com/read/28338384/methotrexate-induced-neurotoxicity-in-hispanic-adolescents-with-high-risk-acute-leukemia-a-case-series
#12
Lisa Giordano, Oyinade Akinyede, Nidhi Bhatt, Dipti Dighe, Asneha Iqbal
Intrathecal methotrexate (IT MTX) and high-dose intravenous methotrexate (HD MTX) are important components of treatment in high-risk acute leukemia. We describe five Hispanic adolescents with high-risk acute leukemia at our institution who experienced MTX-induced neurotoxicity. All patients were eventually rechallenged with MTX. Two of the five patients had a second episode of neurotoxicity, but all patients recovered. Further studies should be performed to determine whether Hispanic patients are more susceptible to MTX neurotoxicity...
March 24, 2017: Journal of Adolescent and Young Adult Oncology
https://www.readbyqxmd.com/read/28320322/exploring-the-nature-of-prediagnostic-blood-transcriptome-markers-of-chronic-lymphocytic-leukemia-by-assessing-their-overlap-with-the-transcriptome-at-the-clinical-stage
#13
Jelle Vlaanderen, Max Leenders, Marc Chadeau-Hyam, Lützen Portengen, Soterios A Kyrtopoulos, Ingvar A Bergdahl, Ann-Sofie Johansson, Dennie D G A J Hebels, Theo M C M de Kok, Paolo Vineis, Roel C H Vermeulen
BACKGROUND: We recently identified 700 genes whose expression levels were predictive of chronic lymphocytic leukemia (CLL) in a genome-wide gene expression analysis of prediagnostic blood from future cases and matched controls. We hypothesized that a large fraction of these markers were likely related to early disease manifestations. Here we aim to gain a better understanding of the natural history of the identified markers by comparing results from our prediagnostic analysis, the only prediagnostic analysis to date, to results obtained from a meta-analysis of a series of publically available transcriptomics profiles obtained in incident CLL cases and controls...
March 20, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28316445/therapeutic-leukapheresis-in-a-tertiary-care-hospital-a-case-series
#14
Raj Nath Makroo, Brinda Kakkar, Mohit Chowdhry, Soma Agrawal, Shishir Seth, Uday K Thakur
Patients presenting with hyperleukocytosis secondary to acute leukemia, with total leukocyte count or blast count more than 100,000/μL are often considered for leukapheresis, especially if clinical signs of leukostasis are present. Leukostasis is often associated with high morbidity and mortality in patients with leukemic processes. The main goal of management of hyperleukocytosis and/or leukostasis is to reduce the blast count before initiation of chemotherapy. Leukapheresis is often used prophylactically to prevent leukostasis or to provide symptomatic relief...
January 2017: Asian Journal of Transfusion Science
https://www.readbyqxmd.com/read/28302711/precision-and-prognostic-value-of-clone-specific-minimal-residual-disease-in-acute-myeloid-leukemia
#15
Pierre Hirsch, Ruoping Tang, Nassera Abermil, Pascale Flandrin, Hannah Moatti, Fabrizia Favale, Ludovic Suner, Florence Lorre, Christophe Marzac, Fanny Fava, Anne-Claire Mamez, Simona Lapusan, Françoise Isnard, Mohamad Mohty, Ollivier Legrand, Luc Douay, Chrystele Bilhou-Nabera, François Delhommeau
The genetic landscape of adult acute myeloid leukemias has been recently unraveled. However, due to their genetic heterogeneity, only a handful of markers are currently used for the evaluation of minimal residual disease. Recent studies using multi-target strategies indicate that detection of residual mutations in less than 5% of cells in complete remission is associated with a better survival. Here, in a series of 69 acute myeloid leukemias with known clonal architecture, we design a clone-specific strategy based on fluorescent in situ hybridization and high-sensitivity next generation sequencing to detect chromosomal aberrations and mutations, respectively, in follow-up samples...
March 16, 2017: Haematologica
https://www.readbyqxmd.com/read/28296991/clinicopathologic-immunohistochemical-and-molecular-features-of-histiocytoid-sweet-syndrome
#16
Victoria Alegría-Landa, Socorro María Rodríguez-Pinilla, Angel Santos-Briz, José Luis Rodríguez-Peralto, Victor Alegre, Lorenzo Cerroni, Heinz Kutzner, Luis Requena
Importance: Histiocytoid Sweet syndrome is a rare histopathologic variant of Sweet syndrome. The nature of the histiocytoid infiltrate has generated considerable controversy in the literature. Objective: The main goal of this study was to conduct a comprehensive overview of the immunohistochemical phenotype of the infiltrate in histiocytoid Sweet syndrome. We also analyze whether this variant of Sweet syndrome is more frequently associated with hematologic malignancies than classic Sweet syndrome...
March 15, 2017: JAMA Dermatology
https://www.readbyqxmd.com/read/28295914/development-of-a-gastric-carcinoid-tumor-following-allogeneic-hematopoietic-stem-cell-transplantation-for-early-t-cell-precursor-acute-lymphoblastic-leukemia
#17
Tsung-Yen Chang, Jin-Yao Lai, Chao-Jan Wang, Shih-Yen Chen, Tang-Her Jaing, Chuen Hsueh, Lee-Yung Shih, Shih-Hsiang Chen
Gastric carcinoid tumor is rarely diagnosed in children. We report a case of gastric carcinoid tumor that occurred after allogeneic HSCT. A 13-year-old girl with ETP acute lymphoblastic leukemia underwent allogeneic HSCT from a 7/8 HLA-matched unrelated donor. She presented with rashes, abdominal pain, and diarrhea, which were suggestive of GVHD, 7 months after HSCT. Immunosuppressive agents failed to resolve these symptoms well. After a series of evaluations, carcinoid syndrome caused by a gastric carcinoid tumor was diagnosed...
June 2017: Pediatric Transplantation
https://www.readbyqxmd.com/read/28271998/myeloid-sarcoma-as-the-first-sign-of-progression-of-chronic-myeloid-leukemia-in-medullary-chronic-phase-experience-from-a-tertiary-cancer-centre-in-southern-india
#18
(no author information available yet)
INTRODUCTION: Myeloid sarcoma (MS) in chronic myeloid leukemia (CML) is a rare entity which is suggestive of advanced phase of the disease and poorer outcomes. There is little data in literature available regarding its presentation in medullary chronic phase (CP) as well as outcomes in the era of tyrosine kinase inhibitors (TKI) and needs to be carefully evaluated as it can present the first sign of progressive disease before haematological progression. METHODS: We identified cases of MS presenting with medullary CML-CP from January 2002 to December 2015...
January 2017: Gulf Journal of Oncology
https://www.readbyqxmd.com/read/28253536/myeloid-neoplasms-with-concurrent-bcr-abl1-and-cbfb-rearrangements-a-series-of-10-cases-of-a-clinically-aggressive-neoplasm
#19
Alireza Salem, Sanam Loghavi, Guilin Tang, Yang O Huh, Elias J Jabbour, Hagop Kantarjian, Wei Wang, Shimin Hu, Rajyalakshmi Luthra, L Jeffrey Medeiros, Joseph D Khoury
Chronic myeloid leukemia (CML) is defined by the presence of t(9;22)(q34;q11.2)/BCR-ABL1. Additional chromosomal abnormalities confer an adverse prognosis and are particularly common in the blast phase of CML (CML-BP). CBFB rearrangement, particularly CBFB-MYH11 fusion resulting from inv(16)(p13.1q22) or t(16;16)(p13.1;q22), is an acute myeloid leukemia (AML)-defining alteration that is associated with a favorable outcome. The co-occurrence of BCR-ABL1 and CBFB rearrangement is extremely rare, and the significance of this finding remains unclear...
March 2, 2017: American Journal of Hematology
https://www.readbyqxmd.com/read/28249016/hla-specificities-are-associated-with-prognosis-in-ighv-mutated-cll-like-high-count-monoclonal-b-cell-lymphocytosis
#20
María García-Álvarez, Miguel Alcoceba, Miriam López-Parra, Noemí Puig, Alicia Antón, Ana Balanzategui, Isabel Prieto-Conde, Cristina Jiménez, María E Sarasquete, M Carmen Chillón, María Laura Gutiérrez, Rocío Corral, José María Alonso, José Antonio Queizán, Julia Vidán, Emilia Pardal, María Jesús Peñarrubia, José M Bastida, Ramón García-Sanz, Luis Marín, Marcos González
INTRODUCTION: Molecular alterations leading progression of asymptomatic CLL-like high-count monoclonal B lymphocytosis (hiMBL) to chronic lymphocytic leukemia (CLL) remain poorly understood. Recently, genome-wide association studies have found 6p21.3, where the human leukocyte antigen (HLA) system is coded, to be a susceptibility risk region for CLL. Previous studies have produced discrepant results regarding the association between HLA and CLL development and outcome, but no studies have been performed on hiMBL...
2017: PloS One
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