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Bone sarcomas

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https://www.readbyqxmd.com/read/29675944/advanced-mr-diffusion-imaging-and-chemotherapy-related-changes-in-cerebral-white-matter-microstructure-of-survivors-of-childhood-bone-and-soft-tissue-sarcoma
#1
Charlotte Sleurs, Jurgen Lemiere, Daan Christiaens, Thibo Billiet, Ronald Peeters, Stefan Sunaert, Anne Uyttebroeck, Sabine Deprez
With the increase of survival rates of pediatric cancer patients, the number of children facing potential cognitive sequelae has grown. Previous adult studies suggest that white matter (WM) microstructural changes may contribute to cognitive impairment. This study aims to investigate WM microstructure in childhood bone and soft tissue sarcoma. Differences in (micro-)structure can be investigated using diffusion MRI (dMRI). The typically used diffusion tensor model (DTI) assumes Gaussian diffusion, and lacks information about fiber populations...
April 20, 2018: Human Brain Mapping
https://www.readbyqxmd.com/read/29675364/ct-and-mri-of-superficial-solid-tumors
#2
REVIEW
Jingfeng Zhang, Yanyuan Li, Yilei Zhao, Jianjun Qiao
Superficial solid masses are common conditions in clinical practice, however, some of which can be easily diagnosed and others would be difficult. Although imaging of superficial masses is not always characteristic, it would be helpful to give a definitive diagnosis or narrow a differential diagnosis. Crossing-section imaging can depicture the masses directly, find some pathognomonic signs and demonstrate their relationship with adjacent structures, which can provide decision support for clinician's reference...
March 2018: Quantitative Imaging in Medicine and Surgery
https://www.readbyqxmd.com/read/29661713/review-with-novel-markers-facilitates-precise-categorization-of-41-cases-of-diagnostically-challenging-undifferentiated-small-round-cell-tumors-a-clinicopathologic-immunophenotypic-and-molecular-analysis
#3
Isidro Machado, Akihiko Yoshida, María Gema Nieto Morales, Lucas Faria Abrahão-Machado, Samuel Navarro, Julia Cruz, Javier Lavernia, Antonina Parafioriti, Piero Picci, Antonio Llombart-Bosch
BACKGROUND: Despite extensive immunohistochemical (IHC) and molecular studies combined with morphologic findings, a group of round/ovoid cell tumors histologically similar to Ewing sarcomas (ES) but lacking EWSR1-rearrangements may remain unclassifiable. DESIGN: We retrospectively analyzed 41 Ewing-like tumors (formalin-fixed, paraffin-embedded) previously determined as negative or non-informative for EWSR1-rearrangements by FISH and/or RT-PCR. A new histopathology revision and additional IHC and molecular analyses were carried out in order to investigate whether additional IHC and/or molecular testing in combination with the morphological findings may help in reaching a definitive diagnosis...
November 29, 2017: Annals of Diagnostic Pathology
https://www.readbyqxmd.com/read/29656699/hybrid-polycaprolactone-polyethylene-oxide-scaffolds-with-tunable-fiber-surface-morphology-improved-hydrophilicity-and-biodegradability-for-bone-tissue-engineering-applications
#4
Remya K R, Sunitha Chandran, Susan Mani, Annie John, P Ramesh
In the present study, we attempt to modify Polycaprolactone (PCL) by blending it with a water soluble polymer Polyethyleneoxide (PEO) having two different molecular weights (Mv ~1,00,000 and 6,00,000) using electrospinning technique. The effect of PEO molecular weight and blend ratio on fiber morphology, porosity, surface wettability, static and dynamic mechanical properties of PCL was investigated. In vitro degradation studies in phosphate buffer saline (PBS) at 37°C demonstrated formation of pores on fiber surface especially in blend scaffolds with 50:50 ratios...
April 16, 2018: Journal of Biomaterials Science. Polymer Edition
https://www.readbyqxmd.com/read/29656296/impact-of-pathological-fractures-on-the-prognosis-of-primary-malignant-bone-sarcoma-in-children-and-adults-a-single-center-retrospective-study-of-205-patients
#5
Miriam Schlegel, Martina Zeumer, Peter Michael Prodinger, Klaus Woertler, Marc Steinborn, Rüdiger von Eisenhart-Rothe, Stefan Burdach, Hans Rechl, Irene von Luettichau
BACKGROUND: The purpose of this study was to investigate whether pathological fractures (PF) influence the prognosis of patients with osteosarcoma (OS) or Ewing tumor (ET) regarding 5-year survival, occurrence of metastases, and local recurrence. METHODS: We retrospectively analyzed 205 patients with metastatic and nonmetastatic OS or ET. Survival analysis was performed for all patients and differentiated for patients with OS (n = 127) and ET (n = 78) as well as for adults (n = 101) and children (n = 104)...
April 13, 2018: Oncology
https://www.readbyqxmd.com/read/29650946/a-rare-case-of-relapsed-pediatric-acute-promyelocytic-leukemia-with-skin-involvement-by-myeloid-sarcoma
#6
Nathalia Silva Araújo, Claudio José Dos Santos Júnior, Vitória Mikaelly da Silva Gomes, Luiz Arthur Calheiros Leite, Luana Novaes Bomfim, Amanda Katielly Firmino da Silva Gusmão, Maria Jordana Rocha Gomes Alves, Cyndi Myrelle da Silva Barros Romão, Arthur Moacir Costa Sampaio Batinga, Maria Rosa da Silva, Célio Fernando de Sousa Rodrigues
BACKGROUND Acute promyelocytic leukemia (APL) is a very rare leukemia in children. Extramedullary involvement by APL has been reported in between 3-5% of cases, mainly associated with cases of relapse. A rare case of relapse of APL in a 9-year-old child is presented with skin involvement with myeloid sarcoma. CASE REPORT A 9-year-old male child was admitted to the Oncology Service of the hospital complaining of fever, progressive fatigue, oral petechiae with severe bleeding in the oral cavity. Bone marrow examination showed some promyelocytes...
April 13, 2018: American Journal of Case Reports
https://www.readbyqxmd.com/read/29650899/-i-adjuvant-chemotherapy-for-sarcoma-of-bone
#7
Hiroaki Hiraga
No abstract text is available yet for this article.
March 2018: Gan to Kagaku Ryoho. Cancer & Chemotherapy
https://www.readbyqxmd.com/read/29650688/outcomes-of-elderly-patients-with-advanced-soft-tissue-sarcoma-treated-with-first-line-chemotherapy-a-pooled-analysis-of-12-eortc-soft-tissue-and-bone-sarcoma-group-trials
#8
Eugenie Younger, Saskia Litière, Axel Le Cesne, Olivier Mir, Hans Gelderblom, Antoine Italiano, Sandrine Marreaud, Robin Lewis Jones, Alessandro Gronchi, Winette T A van der Graaf
BACKGROUND: Almost half of patients diagnosed with soft tissue sarcoma (STS) are older than 65 years; however, the outcomes of elderly patients with metastatic disease are not well described. PATIENTS AND METHODS: An elderly cohort of patients aged ≥65 years was extracted from the European Organization for Research and Treatment of Cancer (EORTC) Soft Tissue and Bone Sarcoma Group database of patients treated with first-line chemotherapy for advanced STS within 12 EORTC clinical trials...
April 12, 2018: Oncologist
https://www.readbyqxmd.com/read/29644114/super-enhancer-inhibitors-suppress-myc-driven-transcriptional-amplification-and-tumor-progression-in-osteosarcoma
#9
Demeng Chen, Zhiqiang Zhao, Zixin Huang, Du-Chu Chen, Xin-Xing Zhu, Yi-Ze Wang, Ya-Wei Yan, Shaojun Tang, Subha Madhavan, Weiyi Ni, Zhan-Peng Huang, Wen Li, Weidong Ji, Huangxuan Shen, Shuibin Lin, Yi-Zhou Jiang
Osteosarcoma is the most common primary bone sarcoma that mostly occurs in young adults. The causes of osteosarcoma are heterogeneous and still not fully understood. Identification of novel, important oncogenic factors in osteosarcoma and development of better, effective therapeutic approaches are in urgent need for better treatment of osteosarcoma patients. In this study, we uncovered that the oncogene MYC is significantly upregulated in metastastic osteosarcoma samples. In addition, high MYC expression is associated with poor survival of osteosarcoma patients...
2018: Bone Research
https://www.readbyqxmd.com/read/29629581/vascularized-fibular-epiphyseal-transfer-for-proximal-humeral-reconstruction-in-children-with-a-primary-sarcoma-of-bone
#10
J D Stevenson, R Doxey, A Abudu, M Parry, S Evans, F Peart, L Jeys
Aims Preserving growth following limb-salvage surgery of the upper limb in children remains a challenge. Vascularized autografts may provide rapid biological incorporation with the potential for growth and longevity. In this study, we aimed to describe the outcomes following proximal humeral reconstruction with a vascularized fibular epiphyseal transfer in children with a primary sarcoma of bone. We also aimed to quantify the hypertrophy of the graft and the annual growth, and to determine the functional outcomes of the neoglenofibular joint...
April 1, 2018: Bone & Joint Journal
https://www.readbyqxmd.com/read/29620679/diagnostic-accuracy-of-18f-fdg-pet-ct-in-the-staging-and-assessment-of-response-to-chemotherapy-in-children-with-ewing-sarcoma
#11
Antonio Ruggiero, Valerio Lanni, Alberto Librizzi, Palma Maurizi, Giorgio Attinà, Stefano Mastrangelo, Alessandro Giordano, Riccardo Riccardi
INTRODUCTION: The purpose of this study was to evaluate the potential role of fluorine-18 fluorodeoxyglucose (18F-FDG) positron-emission tomography/computed tomography (PET-CT) in the staging and assessment of chemotherapy response in Ewing sarcoma. MATERIALS AND METHODS: For 13 patients with Ewing sarcoma, whole-body FDG PET-CT was assessed for site of primary disease, disease extent, and response to therapy. Chest CT, localized magnetic resonance imaging or CT of primary site, and bone scintigrams were evaluated for imaging features of the primary lesion and presence or absence of metastatic disease...
April 3, 2018: Journal of Pediatric Hematology/oncology
https://www.readbyqxmd.com/read/29616298/intracranial-malignant-peripheral-nerve-sheath-tumor-variant-an-unusual-neurovascular-phenotype-sarcoma-case-invading-through-the-petrous-bone
#12
Oliver D Mrowczynski, Robert J Greiner, Malika Kapadia, Julie C Fanburg-Smith, Mark R Iantosca, Elias B Rizk
INTRODUCTION: Intracranial malignant peripheral nerve sheath tumor (MPNST) is exceedingly rare. Previously reported cases of intracranial MPNST have been associated with development within a prominent cranial nerve. METHODS: This is the first report of an MPNST with both nerve sheath and vascular phenotype that follows the neurovascular bundle, without arising in a major cranial nerve or in the setting of neurofibromatosis type 1 (NF1). RESULTS: The patient is a 14-year-old boy with a history of worsening headaches for the past several months, left-sided hearing loss, nausea, vomiting, and vertigo...
April 3, 2018: Child's Nervous System: ChNS: Official Journal of the International Society for Pediatric Neurosurgery
https://www.readbyqxmd.com/read/29611053/extra-osseous-ewing-sarcoma-of-the-pancreas-case-report-with-radiologic-pathologic-and-molecular-correlation-and-brief-review-of-the-literature
#13
Miglena K Komforti, Evgeniya Sokolovskaya, Catherine A D'Agostino, Ryma Benayed, Rebecca M Thomas
In 2002, due to extensive histomorphologic, immunohistochemical, and cytogenetic similarities, the World Health Organization unified undifferentiated small round blue cell neoplasms of soft tissue and bone (previously segregated as Ewing sarcoma or Primitive Neuroectodermal tumor) into one category: Ewing family of tumors (EFT). Osseous EFT are more common, and while extra-osseous EFT can occur anywhere in the body, those of the pancreas are rare and likely to be seen in the second decade of life in the head of the pancreas...
April 2, 2018: Virchows Archiv: An International Journal of Pathology
https://www.readbyqxmd.com/read/29610692/successful-complete-response-of-tumor-thrombus-after-combined-with-chemotherapy-and-irradiation-for-ewing-sarcoma
#14
Yusuke Minami, Seiichi Matsumoto, Keisuke Ae, Taisuke Tanizawa, Keiko Hayakawa, Yuki Funauchi, Sakae Okumura, Yutaka Takazawa
Pelvic Ewing sarcoma is associated with a worse prognosis. Thromboembolic events are relatively common in pediatric patients with cancers including sarcomas. We have presented a case of Ewing sarcoma arising from the left iliac bone with tumor thrombus of inferior vena cava (IVC) which was obtained complete response by both chemotherapy and irradiation. Magnetic resonance imaging (MRI) scan demonstrated that the tumor arising from the left iliac bone extended into the left side of sacral bone, suggesting the difficulty of surgical resection...
2018: Case Reports in Orthopedics
https://www.readbyqxmd.com/read/29609578/the-identification-of-h3f3a-mutation-in-giant-cell-tumour-of-the-clivus-and-the-histological-diagnostic-algorithm-of-other-clival-lesions-permit-the-differential-diagnosis-in-this-location
#15
Federica Scotto di Carlo, Giuseppina Divisato, Maurizio Iacoangeli, Teresa Esposito, Fernando Gianfrancesco
BACKGROUND: Giant Cell Tumour of Bone (GCT) is a locally aggressive primary bone tumour that usually occurs at the epiphyses of the long bones of the appendicular skeleton with a tendency to recurrence. Recurrent somatic H3F3A mutations have been described in 92% of GCT cases. GCTs involving the Clivus are extremely rare lesions and less than 15 cases are described in the literature. They represent a surgery challenge and are easily misdiagnosed. Our aim was to reveal if the genetic bases underlying Clival GCTs were the same of GCTs of long bones to improve the diagnosis and treatment...
April 2, 2018: BMC Cancer
https://www.readbyqxmd.com/read/29595755/the-pseudo-pelger-hu%C3%A3-t-cell-as-a-retrospective-dosimeter-analysis-of-a-radium-dial-painter-cohort
#16
Ronald E Goans, Richard E Toohey, Carol J Iddins, Stacey L McComish, Sergei Y Tolmachev, Nicholas Dainiak
Recently, the pseudo-Pelger Huët anomaly in peripheral blood neutrophils has been described as a new radiation-induced, stable biomarker. In this study, pseudo-Pelger Huët anomaly was examined in peripheral blood slides from a cohort of 166 former radium dial painters and ancillary personnel in the radium dial industry, 35 of whom had a marrow dose of zero above background. Members of the radium dial painter cohort ingested Ra and Ra at an early age (average age 20.6 ± 5.4 y; range 13-40 y) during the years 1914-1955...
March 28, 2018: Health Physics
https://www.readbyqxmd.com/read/29587549/the-importance-of-the-rehabilitation-program-following-an-internal-hemipelvectomy-and-reconstruction-with-limb-salvage-gait-analysis-and-outcomes-a-case-study
#17
Adele Wingrave, Hannah Jarvis
BACKGROUND: Chondrosarcomas account for approximately 20% of bone sarcomas, with the most common site being the lower limb. Hemipelvectomies that involve hindquarter amputation have previously been the treatment of choice for pelvic tumors. However, with advances in chemotherapy, radiotherapy, imaging and surgical techniques more patients are now being treated with limb salvage surgery. The rehabilitation outcomes following an internal hemipelvectomy have not been well identified and there is currently little, if any, gait analysis data on rehabilitation following hemipelvectomy in limb salvage patients...
March 28, 2018: Disability and Rehabilitation
https://www.readbyqxmd.com/read/29587522/surgical-treatment-of-pulmonary-metastasis-report-from-a-tertiary-care-center
#18
Waleed Saleh, Abdullah AlShammari, Jumana Sarraj, Omniyah AlAshgar, Mohamed Hussein Ahmed, Khaled AlKattan
Objective This retrospective analysis aimed to determine the factors influencing prognosis in adult patients who presented to our thoracic surgery service with lung metastases and were eligible for pulmonary metastasectomy. Methods We retrospectively reviewed the data of 296 patients who underwent resection of 575 lung metastases from January 2000 to January 2016. Univariate and multivariate analyses were performed based on age, sex, histology of the primary tumor, disease-free interval, number and size of metastases...
January 1, 2018: Asian Cardiovascular & Thoracic Annals
https://www.readbyqxmd.com/read/29582409/epha2-receptor-is-a-key-player-in-the-metastatic-onset-of-ewing-sarcoma
#19
Silvia Garcia-Monclús, Roser López-Alemany, Olga Almacellas-Rabaiget, David Herrero-Martín, Juan Huertas-Martinez, Laura Lagares-Te, Piedad Alba-Pavón, Lourdes Hontecillas-Prieto, Jaume Mora, Enrique de Álava, Santi Rello-Varona, Paloma H Giangrande, Oscar M Tirado
Ewing sarcoma (ES) is the second most common bone malignancy affecting children and young adults with poor prognosis due to high metastasis incidence. Our group previously described that EphA2, a tyrosine kinase receptor, promotes angiogenesis in Ewing sarcoma (ES) cells via ligand-dependent signaling. Now we wanted to explore EphA2 ligand-independent activity, controlled upon phosphorylation at S897 (p-EphA2S897 ), as it has been linked to metastasis in several malignancies. By reverse genetic engineering we explored the phenotypic changes after EphA2 removal or reintroduction...
March 26, 2018: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/29581854/ire1%C3%AE-xbp1-inhibitors-exerted-anti-tumor-activities-in-ewing-s-sarcoma
#20
Yu Tanabe, Yoshiyuki Suehara, Shinji Kohsaka, Takuo Hayashi, Keisuke Akaike, Kenta Mukaihara, Taisei Kurihara, Youngji Kim, Taketo Okubo, Midori Ishii, Saiko Kazuno, Kazuo Kaneko, Tsuyoshi Saito
Ewing's sarcoma (ES) is the second-most frequent pediatric bone tumor. Chromosomal translocation t(11;22)(q24:q12) results in the formation of EWS/FLI1 gene fusion, which is detected in approximately 90% of tumors of the Ewing family. Several transcriptome studies have provided lists of genes associated with EWS/FLI1 expression. However, the protein expression profiles associated with EWS/FLI1 have yet to be elucidated. In this study, to identify the regulated proteins associated with EWS/FLI1 and therapeutic targets in ES, we conducted proteomic studies using EWS/FLI1 knockdown in four Ewing's sarcoma cell lines and human mesenchymal stem cells (hMSCs) expressing EWS/FLI1...
March 6, 2018: Oncotarget
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