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Pediatric bone tumor

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https://www.readbyqxmd.com/read/28326824/osteopontin-its-potential-role-in-cancer-of-children-and-young-adults
#1
Gabrielle Karpinsky, Aleksandra Fatyga, Malgorzata Anna Krawczyk, Madeleine Chamera, Natalia Sande, Dagmara Szmyd, Ewa Izycka-Swieszewska, Ewa Bien
OBJECTIVE: Osteopontin (OPN) is aglyco-phosphoprotein, involved in tissue remodeling, inflammation and boneresorption. In various adult neoplasms OPN was shown to correlate with cancer progression, invasiveness and metastasis. AIM: to define the role of OPN in malignancies of children and young adults. MATERIAL AND METHODS: a structured PubMed and Google Scholar literature analysis based on reports published in English between I'1995 and XII'2015...
March 14, 2017: Biomarkers in Medicine
https://www.readbyqxmd.com/read/28319067/the-histone-demethylase-kdm3a-and-its-downstream-target-mcam-promote-ewing-sarcoma-cell-migration-and-metastasis
#2
M Sechler, J K Parrish, D K Birks, P Jedlicka
Ewing Sarcoma is the second most common solid pediatric malignant neoplasm of bone and soft tissue. Driven by EWS/Ets, or rarely variant, oncogenic fusions, Ewing Sarcoma is a biologically and clinically aggressive disease with a high propensity for metastasis. However, the mechanisms underpinning Ewing Sarcoma metastasis are currently not well understood. In the present study, we identify and characterize a novel metastasis-promotional pathway in Ewing Sarcoma, involving the histone demethylase KDM3A, previously identified by our laboratory as a new cancer-promoting gene in this disease...
March 20, 2017: Oncogene
https://www.readbyqxmd.com/read/28289810/non-odontogenic-tumors-of-the-facial-bones-in-children-and-adolescents-role-of-multiparametric-imaging
#3
REVIEW
Minerva Becker, Salvatore Stefanelli, Anne-Laure Rougemont, Pierre Alexandre Poletti, Laura Merlini
Tumors of the pediatric facial skeleton represent a major challenge in clinical practice because they can lead to functional impairment, facial deformation, and long-term disfigurement. Their treatment often requires a multidisciplinary approach, and radiologists play a pivotal role in the diagnosis and management of these lesions. Although rare, pediatric tumors arising in the facial bones comprise a wide spectrum of benign and malignant lesions of osteogenic, fibrogenic, hematopoietic, neurogenic, or epithelial origin...
March 13, 2017: Neuroradiology
https://www.readbyqxmd.com/read/28284021/mitochondrial-dna-in-pediatric-leukemia-patients
#4
Agata Kodroń, Magda Ghanim, Katarzyna K Krawczyk, Anna Stelmaszczyk-Emmel, Katarzyna Tońska, Urszula Demkow, Ewa Bartnik
Numerous studies of mitochondrial DNA (mtDNA) in cancer have shown differences between mtDNA sequences in tumor and normal tissue and at various stages of cancer treatment in the same patient. However, there is little data on acute lymphoblastic leukemia (ALL), the most common type of leukemia in children. In this study we compared mitochondrial sequence variation in the D-loop region and in 5 genes of mtDNA in bone marrow samples of 6 pediatric patients with ALL at various stages of therapy. We found several common polymorphisms and one variant at position 3688 whose level varied during leukemia treatment...
2017: Acta Biochimica Polonica
https://www.readbyqxmd.com/read/28270069/pathological-and-therapeutic-aspects-of-long-noncoding-rnas-in-osteosarcoma
#5
Kaixiu Wang, Wei Jiang, Chao Cheng, Yusheng Li, Min Tu
BACKGROUND: Osteosarcoma (OS) is a common bone malignant tumor, which is the eighth leading form of pediatric cancer. Despite the modern chemotherapeutic development of OS, a number of patients with OS have a high risk of lung metastasis and local relapse after chemotherapy. OBJECTIVE: This review study focused on the role of long non coding RNAs (lncRNAs) in OS progression, and presented update reports on OS treatment by targeting specific lncRNAs. METHOD: We have acquired information on OS and lncRNAs from scientific databases like google scholar, pubmed and scopus, and reviewed for this study...
February 13, 2017: Anti-cancer Agents in Medicinal Chemistry
https://www.readbyqxmd.com/read/28267083/toxic-epidermal-necrolysis-like-reaction-after-hematopoietic-stem-cell-transplantation-in-children
#6
Maura Faraci, Stefano Giardino, Edoardo Lanino, Giuseppe Morreale, Emilia Ghibaudo, Monica Francesia Berta, Marco Risso, Elio Castagnola, Mimmo Ripaldi, Andrea Moscatelli, Giovanni Ghigliotti
This study report clinical course, etiology, management, and long-term outcome of children who developed toxic epidermal necrolysis-like reaction (TEN-LR) after allogeneic hematopoietic stem cell transplantation (allo-HSCT). We retrospectively collected children with TEN-LR occurring after allo-HSCT performed in 2 pediatric bone marrow units between 2005 and 2014. We identified 6 cases of TEN-LR of 322 patients (1.8%). Possible triggers of TEN included antibiotics, antiepileptics, antimycotics, and Mycoplasma infection...
March 6, 2017: Journal of Pediatric Hematology/oncology
https://www.readbyqxmd.com/read/28252222/irradiation-of-mesenchymal-stromal-cells-with-low-and-high-doses-of-alpha-particles-induces-senescence-and-or-apoptosis
#7
Nicola Alessio, Giuseppe Esposito, Giovanni Galano, Roberto De Rosa, Pasquale Anello, Gianfranco Peluso, Maria Antonella Tabocchini, Umberto Galderisi
The use of high-linear energy transfer charged particles is gaining attention as a medical tool because of the emission of radiations with an efficient cell-killing ability. Considerable interest has developed in the use of targeted alpha-particle therapy for the treatment of micrometastases. Moreover, the use of helium beams is gaining momentum, especially for treating pediatric tumors. We analyzed the effects of alpha particles on bone marrow mesenchymal stromal cells (MSCs), which have a subpopulation of stem cells capable of generating adipocytes, chondrocytes, and osteocytes...
March 2, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28248841/ewings-sarcoma-a-case-of-respiratory-distress-and-opacification-that-was-not-pneumonia
#8
Jordee M Wells, Sandra P Spencer
The Ewing sarcoma family of tumors typically appears in the second decade of life with regional pain and swelling of a long bone. The following case presents a pediatric patient, aged 4 years, given a diagnosis of Ewing sarcoma of the rib with the initial presentation of respiratory distress, hypoxia, and pleural effusion. Respiratory distress accounts for a large majority of emergency department visits annually, so it is the distinct responsibility of the emergency department physician to avoid premature closure in attributing the most common diagnoses to account for the presenting symptoms...
February 28, 2017: Pediatric Emergency Care
https://www.readbyqxmd.com/read/28248691/prospective-evaluation-of-postural-control-and-gait-in-pediatric-patients-with-cancer-after-a-4-week-inpatient-rehabilitation-program
#9
Carsten Müller, Dieter Rosenbaum, Konstantin A Krauth
OBJECTIVE: The aim of the study was to investigate the effects of a 4-wk inpatient rehabilitation program on postural control and gait in pediatric patients with cancer. DESIGN: Eighty-eight patients with brain tumors (n = 59) and bone/soft tissue sarcomas (n = 29) were evaluated. Postural control was assessed examining the velocity of the center of pressure and single-leg stance time on a pressure distribution platform. Walk ratio, a measure of neuromotor control, was used to evaluate intervention effects on gait...
February 28, 2017: American Journal of Physical Medicine & Rehabilitation
https://www.readbyqxmd.com/read/28203028/-unerupted-first-deciduous-molar-located-higher-to-the-first-premolar-a-case-report
#10
Y Zhan, H Liu
Tooth eruption is defined as the movement of a tooth from its site of development within the alveolar process to its functional position in the oral cavity. The process of tooth eruption can be divided into different phases: pre-eruptive bone stage, alveolar bone stage, mucosal stage, preocclusal stage, occlusal stage and maturation stage. Any disturbance in these phases can lead to eruptive anomalies. The incidence of unerupted teeth is usually higher among permanent teeth than among deciduous ones. Of the primary teeth reported as unerupted, second deciduous molars are the teeth most frequently involved, followed by primary central incisors...
February 18, 2017: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
https://www.readbyqxmd.com/read/28174417/amkl-chimeric-transcription-factors-are-potent-inducers-of-leukemia
#11
J Dang, S Nance, J Ma, J Cheng, M P Walsh, P Vogel, J Easton, G Song, M Rusch, A L Gedman, C Koss, J R Downing, T A Gruber
Acute megakaryoblastic leukemia in patients without Down syndrome is a rare malignancy with a poor prognosis. RNA sequencing of fourteen pediatric cases previously identified novel fusion transcripts that are predicted to be pathologic including CBFA2T3-GLIS2, GATA2-HOXA9, MN1-FLI, and NIPBL-HOXB9. In contrast to CBFA2T3-GLIS2 which is insufficient to induce leukemia, we demonstrate that the introduction of GATA2-HOXA9, MN1-FLI1 or NIPBL-HOXB9 into murine bone marrow induces overt disease in syngeneic transplant models...
February 8, 2017: Leukemia: Official Journal of the Leukemia Society of America, Leukemia Research Fund, U.K
https://www.readbyqxmd.com/read/28174375/-characteristics-of-adolescent-and-young-adult-cancer
#12
Keizo Horibe
In adolescent and young adult(AYA)population, cancer is the leading cause of death due to illness with the lowest mortality rate as well as children, and national measures for cancer was left behind. Leukemia, lymphomas, brain tumors, thyroid cancer, ovarian cancer, cervical cancer, breast cancer, testicular cancer and bone and soft tissue sarcomas account for majority of the cancers in this age group. There has been no significant improvement in AYA patients in contrast to other age groups. AYA patients with cancer are under growing independency, starting in life to the community, and reproductive age...
January 2017: Gan to Kagaku Ryoho. Cancer & Chemotherapy
https://www.readbyqxmd.com/read/28167963/physicians-perspectives-on-the-diagnosis-and-treatment-of-chronic-nonbacterial-osteomyelitis
#13
Yongdong Zhao, Fatma Dedeoglu, Polly J Ferguson, Sivia K Lapidus, Ronald M Laxer, Miranda C Bradford, Suzanne C Li
Background/Purpose. Understanding the practices of pediatric rheumatologists in diagnosing and treating chronic nonbacterial osteomyelitis (CNO) can provide important information to guide the development of consensus treatment plans. The objectives of this study were to determine physicians' approaches to (1) diagnosing and monitoring CNO, (2) ordering a bone biopsy, and (3) making treatment decisions. Methods. A survey was distributed among members of the Childhood Arthritis and Rheumatology Research Alliance using a web-based questionnaire...
2017: International Journal of Rheumatology
https://www.readbyqxmd.com/read/28167016/lateral-skull-base-surgery-in-a-pediatric-population-a-25-year-experience-in-a-referral-skull-base-center
#14
Golda Grinblat, Sampath Chandra Prasad, Andrea Fulcheri, Melissa Laus, Alessandra Russo, Mario Sanna
OBJECTIVE: To analyze the pathology and surgical outcomes of lateral skull base (LSB) procedures in a pediatric population. STUDY DESIGN: Retrospective case review in a referral skull base center. METHODS: Charts of pediatric patients who underwent defined LSB procedures from 1983 to 2015 for various pathologies were evaluated at our center. A systematic review of literature was performed and our results were compared with the literature. RESULTS: 63 patients presented with 65 diseased ears...
March 2017: International Journal of Pediatric Otorhinolaryngology
https://www.readbyqxmd.com/read/28152768/improving-care-quality-for-patients-with-soft-tissue-and-bone-sarcoma-by-establishing-a-national-virtual-tumor-board-and-electronic-consultation-platform
#15
Andrew Fang, Maihgan Kavanagh, Brian Kim, Jason D Lee, Craig McCormick, Lee Jae Morse, Subir Nag, Grant Nybbaken, Peter Peng, Corey M Schwartz, Joseph Song, Denah Renee Taggart, Jeanette Cu Yu
211 Background: Bone and soft tissue sarcomas are relatively uncommon and their management is extremely complex requiring coordinated multidisciplinary expertise for optimal care. Because Kaiser Permanente operates across many geographic regions in the country, in-person tumor board is not practical. METHODS: The Kaiser Permanente Northern California medical oncology team has developed a system-based virtual tumor board (VTB) and electronic consultation (EC) platform comprised of experts from several key disciplines including musculoskeletal/surgical oncology, musculoskeletal radiology, pathology, radiation oncology, brachytherapy, medical adult and pediatric oncology...
March 2016: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28125796/three-year-follow-up-of-gmcsf-bi-shrna-furin-dna-transfected-autologous-tumor-immunotherapy-vigil-in-metastatic-advanced-ewing-s-sarcoma
#16
Maurizio Ghisoli, Minal Barve, Robert Mennel, Carl Lenarsky, Staci Horvath, Gladice Wallraven, Beena O Pappen, Sam Whiting, Donald Rao, Neil Senzer, John Nemunaitis
Ewing's sarcoma is a devastating rare pediatric cancer of the bone. Intense chemotherapy temporarily controls disease in most patients at presentation but has limited effect in patients with progressive or recurrent disease. We previously described preliminary results of a novel immunotherapy, FANG (Vigil) vaccine, in which 12 advanced stage Ewing's patients were safely treated and went on to achieve a predicted immune response (IFNγ ELISPOT). We describe follow-up through year 3 of a prospective, nonrandomized study comparing an expanded group of Vigil-treated advanced disease Ewing's sarcoma patients (n = 16) with a contemporaneous group of Ewing's sarcoma patients (n = 14) not treated with Vigil...
August 2016: Molecular Therapy: the Journal of the American Society of Gene Therapy
https://www.readbyqxmd.com/read/28122538/upregulation-of-the-proto-oncogene-bmi-1-predicts-a-poor-prognosis-in-pediatric-acute-lymphoblastic-leukemia
#17
Hong-Xia Peng, Xiao-Dan Liu, Zi-Yan Luo, Xiao-Hong Zhang, Xue-Qun Luo, Xiao Chen, Hua Jiang, Ling Xu
BACKGROUND: Bmi-1, the B cell-specific moloney murine leukemia virus insertion site 1, is a member of the Polycomb-group (PcG) family and acts as an oncogene in various tumors; however, its expression related to the prognosis of pediatric patients with acute lymphoblastic leukemia (ALL) has not been well studied. METHODS: The Bmi-1 expression levels in the bone marrow of 104 pediatric ALL patients and 18 normal control subjects were determined by using qRT-PCR. The association between the Bmi-1 expression and the clinicopathological characteristics of pediatric ALL patients was analyzed, and the correlation between Bmi-1 and the prognosis of pediatric ALL was calculated according to the Kaplan-Meier method...
January 25, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28117008/a-review-of-ewing-sarcoma-treatment-is-it-still-a-subject-of-debate
#18
Wala Ben Kridis, Nabil Toumi, Hadil Chaari, Afef Khanfir, Kamel Ayedi, Hassib Kekes, Tahia Boudawara, Jamel Daoud, Mounir Frikha
BACKGROUND: The Ewing sarcoma (ES) represents 10 to 15% of malignant bone tumors and 40 to 45% of pediatric malignant bone tumors. The aim of this review is to clarify the therapeutic results and prognostic factors of this entity. METHODS: A systematic review of the literature was performed. Studies focused on the management of ES were considered for inclusion. RESULT: ES represents a model of multidisciplinary approach. The optimization of ES multimodality therapeutic strategies has resulted from the efforts of several national and international groups in Europe and North America and from cooperation between pediatric and medical oncologists...
January 19, 2017: Reviews on Recent Clinical Trials
https://www.readbyqxmd.com/read/28072621/risk-stratification-of-pediatric-patients-with-neuroblastoma-using-volumetric-parameters-of-18f-fdg-and-18f-dopa-pet-ct
#19
Chia-Ju Liu, Meng-Yao Lu, Yen-Lin Liu, Chi-Lun Ko, Kuan-Yin Ko, Kai-Yuan Tzen, Hsiu-Hao Chang, Yung-Li Yang, Shiann-Tarng Jou, Wen-Ming Hsu, Ruoh-Fang Yen
PURPOSE: This study determined the prognostic value of volumetric parameters derived from pretreatment F-FDG and F-DOPA PET/CT of neuroblastoma and their correlation with clinical and histopathologic features. PATIENTS AND METHODS: A total of 25 children with neuroblastoma underwent pretreatment F-FDG and F-DOPA PET/CT within 4 weeks. The SUVmax of primary tumors on F-FDG and F-DOPA PET were recorded as SUVFDG and SUVDOPA, respectively. For volumetric parameters of primary tumors, 40% of SUVmax was used to generate volume of interest...
March 2017: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/28068876/tissue-engineered-model-of-human-osteolytic-bone-tumor
#20
Aranzazu Villasante, Alessandro Marturano-Kruik, Samuel T Robinson, Zen Liu, X Edward Guo, Gordana Vunjak-Novakovic
Ewing's sarcoma (ES) is a poorly differentiated pediatric tumor of aggressive behavior characterized by propensity to metastasize to bone. Interactions between the tumor and bone cells orchestrate a vicious cycle in which tumor cells induce osteoclast differentiation and activation to cause osteolytic lesions, broken bones, pain, and hypercalcemia. The lack of controllable models that can recapitulate osteolysis in ES impedes the development of new therapies and limits our understanding of how tumor cells invade bone...
February 2017: Tissue Engineering. Part C, Methods
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