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Leukemia in children

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https://www.readbyqxmd.com/read/28806282/adenovirus-infection-in-children-with-acute-myeloid-leukemia-a-report-from-the-canadian-infection-in-acute-myeloid-leukemia-research-group
#1
Samuele Renzi, Salah Ali, Carol Portwine, David Mitchell, David Dix, Victor Lewis, Victoria Price, Michelle Science, Lillian Sung
BACKGROUND: Children with acute myeloid leukemia (AML) are at high risk of life-threatening bacterial and fungal infection. However, little is known about the prevalence or severity of adenovirus infection in this population. Objective was to describe the characteristics, treatments and outcomes of adenovirus infection in children with newly diagnosed AML. METHODS: We performed a retrospective chart review based upon two multi-center cohort studies which focused on identifying risk factors for infection in children with AML...
August 10, 2017: Pediatric Infectious Disease Journal
https://www.readbyqxmd.com/read/28802664/cytokines-and-soluble-hla-g-levels-in-bone-marrow-stroma-and-their-association-with-the-survival-rate-of-patients-exhibiting-childhood-t-cell-acute-lymphoblastic-leukemia
#2
Renata Dos Santos Almeida, Alessandra Maria de Luna Ramos, Carlos Feitosa Luna, Francisco Pedrosa, Eduardo Antônio Donadi, Norma Lucena-Silva
Leukemic cells can induce defective expression of soluble factors and change marrow cytokine profile, leading to aberrant cell signaling, cell fixation and cell proliferation in bone marrow. T-cell acute lymphoblastic leukemia (T-ALL) is an aggressive disorder which accounts for 15% of pediatric ALL. To evaluate the contribution of immunological factors on T-ALL survival, we measured Th1, Th2, Th17 cytokines and soluble HLA-G (sHLA-G) levels in bone marrow from 32 Brazilian children at diagnosis (D0), after induction (D19) and after consolidation (D49) of the chemotherapy phase...
August 9, 2017: Cytokine
https://www.readbyqxmd.com/read/28798774/multiple-osteolytic-lesions-causing-hypercalcemia-a-rare-presentation-of-acute-lymphoblastic-leukemia
#3
Khalid Mahmood, Muhammad Ubaid, Syeda Taliya Rizvi
Acute lymphoblastic leukemia is characterized by unchecked proliferation of malignant lymphoblasts which replaces the normal bone marrow culminating in anemia due to red blood cells inadequacy as well as in easy bruising/bleeding secondary to insufficient platelets production. Even the white blood cells which are produced excessively are immature and abnormal. ALL is the most common hematological malignancy in children. Most commonly, patients present with lymphadenopathy, recurrent infections, bleeding, fatigue, and bone pains...
2017: Case Reports in Medicine
https://www.readbyqxmd.com/read/28794069/phase-i-study-of-the-anti-cd22-immunotoxin-moxetumomab-pasudotox-for-childhood-acute-lymphoblastic-leukemia
#4
Alan S Wayne, Nirali N Shah, Deepa Bhojwani, Lewis B Silverman, James A Whitlock, Maryalice Stetler-Stevenson, Weili Sun, Meina Liang, Jie Yang, Robert J Kreitman, Mark C Lanasa, Ira Pastan
Novel therapies are needed to overcome chemotherapy resistance for children with relapsed/refractory acute lymphoblastic leukemia (ALL). Moxetumomab pasudotox is a recombinant anti-CD22 immunotoxin. A multicenter, phase I study was conducted to determine the maximum tolerated cumulative dose (MTCD) and evaluate safety, activity, pharmacokinetics, and immunogenicity of moxetumomab pasudotox in children, adolescents, and young adults with ALL (n=55). Moxetumomab pasudotox was administered as a 30-minute intravenous infusion at doses of 5 to 50 µg/kg every other day (QOD) for six (Cohorts A and B) or 10 (Cohort C) doses, on 21-day cycles...
August 9, 2017: Blood
https://www.readbyqxmd.com/read/28792268/kit-mutations-correlate-with-adverse-survival-in-children-with-core-binding-factor-acute-myeloid-leukemia
#5
Xi Chen, Hu Dou, Xingjuan Wang, Yi Huang, Ling Lu, Junqing Bin, Yongchun Su, Lin Zou, Jie Yu, Liming Bao
The prevalence and clinical relevance of KIT mutations in childhood core-binding factor (CBF) acute myeloid leukemia (AML) have not been well characterized. In this study, a total of 212 children with de novo AML were enrolled from a Chinese population and 50 (23.5%) of the patients were deemed CBF-AML. KIT mutations were identified in 30% of the CBF-AML cohort. The KIT mutations were clustered in exon 17 and exon 8, and KIT mutations in exons 8 and 17 were correlated with a shorter overall survival (OS) (5-year OS: 30...
August 9, 2017: Leukemia & Lymphoma
https://www.readbyqxmd.com/read/28792162/immunological-subtypes-of-acute-lymphoblastic-leukemia-beyond-morphology-experience-from-kidwai-state-cancer-institute-bengaluru-india
#6
Namrata N Rajkumar, Raghavendra H Vijay
INTRODUCTION: Acute lymphoblastic leukemia (ALL) is disease of lymphoid precursors and is the most common cancer. Diagnosis of ALL is made by evaluating morphology and flowcytometric Immunophenotyping (FCI)and is an important adjunct in diagnosis and determining treatment in ALL, with availability of extensive monoclonal antibodies in the recent years there is tremendous progress in the field of FCI, and is a requirement by World Health Organisation for the classification of acute lymphoblastic Leukemia...
July 2017: Journal of the Association of Physicians of India
https://www.readbyqxmd.com/read/28791218/cytomegalovirus-induced-hemophagocytic-lymphocytic-histiocytosis-in-two-pediatric-patients-with-acute-lymphoblastic-leukemia
#7
Benjamin Waddell, Chris Belcher, Emily Willey
Hemophagocytic lymphohistiocytosis (HLH) is a rare inflammatory condition with tissue destruction due to abnormal immune activation. We present a series of 2 cases of cytomegalovirus-induced HLH in children during maintenance chemotherapy for acute lymphoblastic leukemia. These cases emphasize the importance of considering secondary HLH in this high-risk subset of pediatric patients.
2017: IDCases
https://www.readbyqxmd.com/read/28783412/am-i-a-6-or-a-10-mate-value-among-young-adult-survivors-of-childhood-cancer-and-healthy-peers
#8
Vicky Lehmann, Marrit A Tuinman, Madelaine C Keim, Mariët Hagedoorn, Cynthia A Gerhardt
PURPOSE: This study focused on self-perceived mate value of young adult survivors of childhood cancer relative to healthy peers. Qualitative studies indicate potential problems surrounding romantic relationships among survivors, but systematic studies are missing. METHODS: One-hundred forty-nine childhood cancer survivors and 149 matched controls completed online questionnaires about their mate value, social comparison strategies (i.e., upward/downward identifying/contrasting strategies), and marital status...
August 7, 2017: Journal of Adolescent and Young Adult Oncology
https://www.readbyqxmd.com/read/28774373/-association-between-bim-gene-and-glucocorticoid-resistance-in-children-with-acute-lymphoblastic-leukemia
#9
Jin-Yun Xu, Jian-Ming Luo
Acute lymphoblastic leukemia (ALL) is the most common malignant hematological disease in childhood. Glucocorticoids are frequently used in the chemoradiotherapy regimen for ALL and can induce the apoptosis of ALL cells through several signaling pathways, but about 10% of ALL children have poor response to glucocorticoids. Studies have revealed that glucocorticoids induce the apoptosis of ALL cells by upregulating the expression of BIM gene, and BIM gene is associated with glucocorticoid resistance in childhood ALL...
August 2017: Zhongguo Dang Dai Er Ke za Zhi, Chinese Journal of Contemporary Pediatrics
https://www.readbyqxmd.com/read/28774365/-neurocognitive-function-of-children-with-acute-lymphoblastic-leukemia-and-long-term-disease-free-survival-and-related-influencing-factors
#10
Xiao-Yan Fu, Xiao-Tian Xie, Yan Zhao
OBJECTIVE: To investigate the neurocognitive function of children with acute lymphoblastic leukemia (ALL) and long-term disease-free survival and related influencing factors. METHODS: A total of 40 ALL children with long-term disease-free survival were enrolled as study group, and 40 healthy children were enrolled as control group. The Chinese Wechsler Intelligence Scale for Children (C-WISC), continuous performance test (CPT), and Stroop test software were used for the evaluation of all children...
August 2017: Zhongguo Dang Dai Er Ke za Zhi, Chinese Journal of Contemporary Pediatrics
https://www.readbyqxmd.com/read/28771903/fludarabine-cytarabine-g-csf-and-idarubicin-for-children-with-relapsed-aml
#11
Hideki Nakayama, Daisuke Tomizawa, Shiro Tanaka, Shotaro Iwamoto, Akira Shimada, Akiko M Saito, Yuka Yamashita, Hiroshi Moritake, Kiminori Terui, Takashi Taga, Hidemasa Matsuo, Yoshiyuki Kosaka, Katsuyoshi Koh, Hajime Hosoi, Hidemitsu Kurosawa, Keiichi Isoyama, Keizo Horibe, Shuki Mizutani, Souichi Adachi
BACKGROUND: The combination of fludarabine (Flu), high dose cytarabine (Ara-C) and granulocyte-colony stimulating factor (G-CSF) called "FLAG" with anthracyclines has become a standard chemotherapy for refractory acute myeloid leukemia (AML) in European children and adults. To clarify the efficacy and the safety of FLAG-idarubicin (IDA) for children prospectively, we planned a multicenter phase II study (AML-R11) by Japanese Pediatric Leukemia/Lymphoma Study Group. METHODS: Patients with AML at the age between 2 and 20 years old, who had the first bone marrow (BM) relapse or induction failure, were enrolled...
August 3, 2017: Pediatrics International: Official Journal of the Japan Pediatric Society
https://www.readbyqxmd.com/read/28771784/a-qualitative-study-of-decision-making-on-phase-iii-randomized-clinical-trial-participation-in-pediatric-oncology-adolescents-and-parents-perspectives-and-preferences
#12
Marianne Vie Ingersgaard, Morten Tulstrup, Kjeld Schmiegelow, Hanne Baekgaard Larsen
AIM: To explore parents' and adolescents' motives for accepting/declining participation in the ALL2008 trials and adolescents' involvement in the decision-making process. BACKGROUND: Children and adolescents with acute lymphoblastic leukemia treated on the Nordic Society of Paediatric Haematology and Oncology ALL2008 protocol were eligible for two randomizations testing 6-mercaptopurine treatment intensifications to improve efficacy and Asparaginase de-escalation to reduce toxicity...
August 3, 2017: Journal of Advanced Nursing
https://www.readbyqxmd.com/read/28768142/contributions-of-ikzf1-ddc-cdkn2a-cebpe-and-lmo1-gene-polymorphisms-to-acute-lymphoblastic-leukemia-in-a-yemeni-population
#13
Boshra Al-Absi, Muhammad F M Razif, Suzita M Noor, Riyadh Saif-Ali, Mohammed Aqlan, Sameer D Salem, Radwan H Ahmed, Sekaran Muniandy
BACKGROUND: Genome-wide and candidate gene association studies have previously revealed links between acute lymphoblastic leukemia (ALL) predisposition and genetic polymorphisms in these genes: IKZF1 (7p12.2; ID: 10320), DDC (7p12.2; ID: 1644), CDKN2A (9p21.3; ID: 1029), CEBPE (14q11.2; ID: 1053), and LMO1 (11p15; ID: 4004). In this study, we aimed to conduct an investigation into the possible association between polymorphisms in these genes and ALL within a sample of Yemeni children of Arab-Asian descent...
August 2, 2017: Genetic Testing and Molecular Biomarkers
https://www.readbyqxmd.com/read/28767575/dnmt3a-mutations-in-chinese-childhood-acute-myeloid-leukemia
#14
Weijing Li, Lei Cui, Chao Gao, Shuguang Liu, Xiaoxi Zhao, Ruidong Zhang, Huyong Zheng, Minyuan Wu, Zhigang Li
BACKGROUND: DNA methyltransferase 3A (DNMT3A) mutations have been found in approximately 20% of adult acute myeloid leukemia (AML) patients and in 0% to 1.4% of children with AML, and the hotspots of mutations are mainly located in the catalytic methyltransferase domain, hereinto, mutation R882 accounts for 60%. Although the negative effect of DNMT3A on treatment outcome is well known, the prognostic significance of other DNMT3A mutations in AML is still unclear. Here, we tried to determine the incidence and prognostic significance of DNMT3A mutations in a large cohort in Chinese childhood AML...
August 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28767419/b-lymphoblastic-leukemia-lymphoma-new-insights-into-genetics-molecular-aberrations-subclassification-and-targeted-therapy
#15
Xiaohui Zhang, Prerna Rastogi, Bijal Shah, Ling Zhang
B lymphoblastic leukemia/lymphoma (B-ALL) is a clonal hematopoietic stem cell neoplasm derived from B-cell progenitors, which mostly occurs in children and adolescents and is regarded as one of top leading causes of death related to malignancies in this population. Despite the majority of patients with B-ALL have fairly good response to conventional chemotherapeutic interventions followed by hematopoietic stem cell transplant for the last decades, a subpopulation of patients show chemo-resistance and a high relapse rate...
July 15, 2017: Oncotarget
https://www.readbyqxmd.com/read/28767288/arsenic-trioxide-consolidation-allows-anthracycline-dose-reduction-for-pediatric-patients-with-acute-promyelocytic-leukemia-report-from-the-children-s-oncology-group-phase-iii-historically-controlled-trial-aaml0631
#16
Matthew A Kutny, Todd A Alonzo, Robert B Gerbing, Yi-Cheng Wang, Susana C Raimondi, Betsy A Hirsch, Cecilia H Fu, Soheil Meshinchi, Alan S Gamis, James H Feusner, John J Gregory
Purpose The Children's Oncology Group AAML0631 trial for newly diagnosed pediatric acute promyelocytic leukemia (APL) was a phase III historically controlled trial to determine the survival of patients receiving arsenic trioxide (ATO) consolidation and reduced doses of anthracyclines. Patients and Methods Patients age 2 to 21 years with de novo APL confirmed by PML-RARα polymerase chain reaction were stratified as standard risk (SR) or high risk (HR) on the basis of diagnostic WBC count. All patients received all-trans retinoic acid (ATRA) during induction, each consolidation course, and maintenance...
August 2, 2017: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28766925/posterior-column-ataxia-with-retinitis-pigmentosa-coexisting-with-sensory-autonomic-neuropathy-and-leukemia-due-to-the-homozygous-p-pro221ser-flvcr1-mutation
#17
Marco Castori, Silvia Morlino, Martin Ungelenk, Davide Pareyson, Ettore Salsano, Paola Grammatico, Emanuela Tolosano, Ingo Kurth, Deborah Chiabrando
FLVCR1 encodes for a ubiquitous heme exporter, whose recessive mutations cause posterior column ataxia with retinitis pigmentosa (PCARP). Recently, FLVCR1 recessive mutations were also found in two sporadic children with hereditary sensory-autonomic neuropathy (HSAN). We report the unique case of a 33-year-old Italian woman with a combination of typical PCARP, sensory-autonomic neuropathy with sensory loss to all modalities and multiple autonomic dysfuctions, and acute lymphocytic leukemia. Molecular analysis demonstrated homozygosity for the previously identified FLVCR1 p...
August 2, 2017: American Journal of Medical Genetics. Part B, Neuropsychiatric Genetics
https://www.readbyqxmd.com/read/28766851/folate-deficiency-in-north-indian-children-undergoing-maintenance-chemotherapy-for-acute-lymphoblastic-leukemia-implications-and-outcome
#18
Nirmalya Roy Moulik, Archana Kumar, Suraksha Agrawal, Abbas Ali Mahdi
BACKGROUND: Treatment-related toxicity and mortality are not uncommon during maintenance chemotherapy for childhood acute lymphoblastic leukemia (ALL), especially in the low- and middle-income countries (LMIC). Undernutrition and micronutrient deficiencies are commonly seen in children from LMICs undergoing treatment for ALL. The present study examines the prevalence and clinical implications of folate deficiency in north Indian children with ALL during the maintenance phase of treatment in view of prolonged antifolate treatment and high population prevalence of folate deficiency...
August 2, 2017: Pediatric Blood & Cancer
https://www.readbyqxmd.com/read/28766841/value-of-flow-cytometric-analysis-of-peripheral-blood-samples-in-children-diagnosed-with-acute-lymphoblastic-leukemia
#19
Grace Lam, Angela Punnett, Derek Stephens, Lillian Sung, Mohamed Abdelhaleem, Johann Hitzler
Diagnostic procedures in children with acute lymphoblastic leukemia (ALL) are typically performed under general anesthesia. Anticipation of the diagnosis based on findings in peripheral blood allows scheduling of the first dose of intrathecal chemotherapy and diagnostic bone marrow (BM) aspirate during a single anesthetic. We retrospectively compared paired results of peripheral blood (PB) flow cytometric analysis and BM evaluation in 383 children with ALL diagnosed consecutively at a single center and found very high concordance of results between both tests...
August 2, 2017: Pediatric Blood & Cancer
https://www.readbyqxmd.com/read/28761277/bilateral-parotidomegaly-as-an-initial-manifestation-of-acute-lymphoblastic-leukemia-in-a-child-a-case-report-and-review-of-literature
#20
Latha Magatha Sneha, Kaarthikeyani Sankaravadivelu Subbiah, Julius Xavier Scott, Aruna Rajendiran
The more common causes of parotid enlargement in children are infections and inflammatory conditions. Primary neoplasms of the parotid glands are rare in pediatric age group; however, secondary malignancies have been reported in survivors of childhood leukemia. The parotid glands have been the sites of relapses in acute lymphoblastic leukemia (ALL) and acute myeloid leukemia. However, bilateral parotid involvement as an initial presentation of ALL is rarely reported. We present a case of an 8-year-old boy who presented with bilateral parotid enlargement as an initial manifestation of ALL...
January 2017: National Journal of Maxillofacial Surgery
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