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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
#1
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
#2
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
#3
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
#4
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
#5
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
#6
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
#7
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
#8
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
#9
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
#10
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...
March 11, 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
#11
(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
#12
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
#13
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
https://www.readbyqxmd.com/read/28222315/allylic-isothiouronium-salts-the-discovery-of-a-novel-class-of-thiourea-analogues-with-antitumor-activity
#14
Misael Ferreira, Laura Sartori Assunção, Adny Henrique Silva, Fabíola Branco Filippin-Monteiro, Tânia Beatriz Creczynski-Pasa, Marcus Mandolesi Sá
A series of 28 aryl- and alkyl-substituted isothiouronium salts were readily synthesized in high yields through the reaction of allylic bromides with thiourea, N-monosubstituted thioureas or thiosemicarbazide. The S-allylic isothiouronium salts substituted with aliphatic groups were found to be the most effective against leukemia cells. These compounds combine high antitumor activity and low toxicity toward non-tumoral cells, with selectivity index higher than 20 in some cases. Furthermore, the selected isothiouronium salts induced G2/M cell cycle arrest and cell death, possibly by apoptosis...
March 31, 2017: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28218826/synthesis-and-antiproliferative-effect-of-ethyl-4-4-substitutedpiperidin-1-yl-benzylpyrrolo-1-2-a-quinoxaline-carboxylate-derivatives-on-human-leukemic-cells
#15
Jean Guillon, Vanessa Desplat, Marian Vincenzi, Romain Lucas, Stéphane Moreau, Solène Savrimoutou, Noel Pinaud, David Bigat, Elodie Enriquez, Mathieu Marchivie, Sylvain Routier, Pascal Sonnet, Filomena Rossi, Luisa Ronga
Acute leukemia is a hematological malignancy with high incidence and recurrence rates, and is characterized by an accumulation of blasts in bone marrow due to proliferation of immature lymphoid or myeloid cells associated with a blockade of differentiation. The heterogeneity of leukemia led to look for new specific molecules for leukemia subtypes or even for therapy-resistant cases. Among heterocyclic derivatives that attracted attention due to their large spread biological activities, we have focused our interest towards the pyrrolo[1,2-a]quinoxaline heterocyclic framework that has been previously identified as an interesting scaffold for antiproliferative activities against various human cancer cell lines...
February 20, 2017: ChemMedChem
https://www.readbyqxmd.com/read/28195090/mixed-phenotypic-acute-leukemia-series-from-tertiary-care-center
#16
Ravikiran N Pawar, Sambhunath Banerjee, Subhajit Bramha, Shekhar Krishnan, Arpita Bhattacharya, Vaskar Saha, Anupam Chakrapani, Saurabh Bhave, Mammen Chandy, Reena Nair, Mayur Parihar, Neeraj Arora, D K Mishra
INTRODUCTION: Mixed-phenotype acute leukemias (MPALs) are a heterogeneous group of rare leukemias constituting approximately 2%-5% of all leukemias, in which assigning a single lineage of origin is not possible. They are diagnosed by either the presence of antigens of more than one lineage or by the presence of dual population of blasts belonging to two or more lineages. We highlight the clinicopathological, immunophenotype, and genetic data of a cohort (n = 14) of patients diagnosed and treated at our center...
January 2017: Indian Journal of Pathology & Microbiology
https://www.readbyqxmd.com/read/28187524/phenotypic-characterization-of-trisomy-12-monoclonal-b-cell-lymphocytosis
#17
Marc Sorigue, Clara Maluquer, Jordi Junca
BACKGROUND: Trisomy 12 chronic lymphocytic leukemia (CLL) is phenotypically different from the rest of CLL cytogenetic subgroups. However, it is unknown whether this is also the case for trisomy 12 CLL-phenotype monoclonal B-cell lymphocytosis (MBL). METHODS: We analyzed the expression of several markers in a series of 89 cytogenetically characterized MBL (including 17 trisomy 12 cases). Additionally, we compared the expression of these markers between trisomy 12 MBL, trisomy 12 CLL and a series of cases with trisomy 12 but fulfilling only 3 of the 5 Moreau CLL diagnostic criteria...
February 10, 2017: Cytometry. Part B, Clinical Cytometry
https://www.readbyqxmd.com/read/28143550/spectrum-of-paediatric-rheumatic-diseases-in-nigeria
#18
Babatunde Hakeem Olaosebikan, Olufemi Oladipo Adelowo, Barakat Adeola Animashaun, Richard Oluyinka Akintayo
BACKGROUND: Paediatric rheumatology service in Sub-Sahara African is virtually not available as there is a shortage of paediatric rheumatologists and other rheumatology health professionals. We aim to describe the clinical spectrum and the frequencies of paediatric rheumatic diseases (PRDs) in Lagos State University Teaching Hospital (LASUTH), Lagos, Nigeria. METHODS: This is a retrospective review of patients with PRDs seen over a five year period (March 2010 to February 2016) at the rheumatology clinic and children ward of LASUTH...
January 31, 2017: Pediatric Rheumatology Online Journal
https://www.readbyqxmd.com/read/28123335/posterior-reversible-encephalopathy-syndrome-in-children-a-case-series
#19
Serhat Emeksiz, Nurettin Onur Kutlu, Hüseyin Çaksen, Gülsüm Alkan, Hülya Şeker Yıkmaz, Hüseyin Tokgöz
Posterior reversible encephalopathy syndrome is characterized by hypertension, seizure, headache, clouding of consciousness, and visual disturbance, and is diagnosed in the presence of typical lesions on magnetic resonance imaging. We retrospectively evaluated five patients who were diagnosed as having posterior reversible encephalopathy syndrome and followed up in Meram Medical Faculty, Pediatric Intensive Care and Hematology wards, between January 2010 and January 2014. We reviewed the demographic and clinical data, and neuroimaging findings...
December 2016: Türk Pediatri Arşivi
https://www.readbyqxmd.com/read/28095152/tailored-approaches-to-induction-therapy-for-acute-promyelocytic-leukemia
#20
Daniel J DeAngelo
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...
February 20, 2017: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
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