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https://www.readbyqxmd.com/read/28213847/ultra-short-stem-anchorage-in-the-proximal-tibial-epiphysis-after-intercalary-tumor-resections-analysis-of-reconstruction-survival-in-four-patients-at-a-mean-follow-up-of-56-months
#1
W K Guder, J Hardes, G Gosheger, M Nottrott, A Streitbürger
INTRODUCTION: Tumors localized in the proximal tibial meta-diaphysis often lead to osteoarticular resections. MATERIALS AND METHODS: In this study, we retrospectively reviewed four patients who underwent intercalary tumor resection and reconstruction using an ultra-short stem in the proximal tibial epiphysis, a procedure that to our knowledge has not been reported in literature so far. RESULTS: At the time of operation, the mean patient age was 26...
February 17, 2017: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/28211963/a-parametric-model-of-the-brain-vascular-system-for-estimation-of-the-arterial-input-function-aif-at-the-tissue-level
#2
Siamak P Nejad-Davarani, Hassan Bagher-Ebadian, James R Ewing, Douglas C Noll, Tom Mikkelsen, Michael Chopp, Quan Jiang
In this paper, we introduce a novel model of the brain vascular system, which is developed based on laws of fluid dynamics and vascular morphology. This model is used to address dispersion and delay of the arterial input function (AIF) at different levels of the vascular structure and to estimate the local AIF in DCE images. We developed a method based on the simplex algorithm and Akaike information criterion to estimate the likelihood of the contrast agent concentration signal sampled in DCE images belonging to different layers of the vascular tree or being a combination of different signal levels from different nodes of this structure...
February 17, 2017: NMR in Biomedicine
https://www.readbyqxmd.com/read/28211961/an-extended-vascular-model-for-less-biased-estimation-of-permeability-parameters-in-dce-t1-images
#3
Siamak P Nejad-Davarani, Hassan Bagher-Ebadian, James R Ewing, Douglas C Noll, Tom Mikkelsen, Michael Chopp, Quan Jiang
One of the key elements in dynamic contrast enhanced (DCE) image analysis is the arterial input function (AIF). Traditionally, in DCE studies a global AIF sampled from a major artery or vein is used to estimate the vascular permeability parameters; however, not addressing dispersion and delay of the AIF at the tissue level can lead to biased estimates of these parameters. To find less biased estimates of vascular permeability parameters, a vascular model of the cerebral vascular system is proposed that considers effects of dispersion of the AIF in the vessel branches, as well as extravasation of the contrast agent (CA) to the extravascular-extracellular space...
February 17, 2017: NMR in Biomedicine
https://www.readbyqxmd.com/read/28211150/genomic-prediction-of-reproduction-traits-for-merino-sheep
#4
S Bolormaa, D J Brown, A A Swan, J H J van der Werf, B J Hayes, H D Daetwyler
Economically important reproduction traits in sheep, such as number of lambs weaned and litter size, are expressed only in females and later in life after most selection decisions are made, which makes them ideal candidates for genomic selection. Accurate genomic predictions would lead to greater genetic gain for these traits by enabling accurate selection of young rams with high genetic merit. The aim of this study was to design and evaluate the accuracy of a genomic prediction method for female reproduction in sheep using daughter trait deviations (DTD) for sires and ewe phenotypes (when individual ewes were genotyped) for three reproduction traits: number of lambs born (NLB), litter size (LSIZE) and number of lambs weaned...
February 17, 2017: Animal Genetics
https://www.readbyqxmd.com/read/28210862/physical-activity-related-differences-in-body-mass-index-and-patient-reported-quality-of-life-in-socioculturally-diverse-endometrial-cancer-survivors
#5
Amerigo Rossi, Carol Ewing Garber, Gurpreet Kaur, Xiaonan Xue, Gary L Goldberg, Nicole S Nevadunsky
PURPOSE: The purpose of this study was to describe physical activity-related differences in body composition, quality of life, and behavioral variables among a socioculturally diverse sample of endometrial cancer survivors. METHODS: Ambulatory, English-speaking endometrial cancer survivors (6 months to 5 years post-treatment), who were residents of Bronx, NY, were recruited to complete questionnaires about physical activity (PA), quality of life (QoL), and psychosocial characteristics...
February 16, 2017: Supportive Care in Cancer: Official Journal of the Multinational Association of Supportive Care in Cancer
https://www.readbyqxmd.com/read/28210452/ewing-sarcoma-of-the-oral-cavity-a-review
#6
REVIEW
Maria Margaix-Muñoz, José Bagán, Rafael Poveda-Roda
OBJECTIVES: A review is made of the clinical, diagnostic, therapeutic and survival characteristics of Ewing sarcoma (ES) of the oral cavity. MATERIAL AND METHODS: A systematic literature search was carried out, with restrictions referred to time (1960-2014), language (English and Spanish) and type of study (case reports, letters, datasets, reviews). The following MeSH terms and boolean operators were used: Ewing AND Sarcoma AND [tongue, jaw, maxilla, cheek, condyle OR temporomandibular, floor AND mouth, gum OR gingiva, palate OR palatal, lip, uvula, head AND neck]...
February 2017: Journal of Clinical and Experimental Dentistry
https://www.readbyqxmd.com/read/28203686/ocular-involvement-of-multicentric-malignant-b-cell-lymphoma-in-a-ewe-a-case-report
#7
James O Rushton, Denise Thaller, Reinhild Krametter-Froetscher
An 8.5-year-old, 98 kg female mountain sheep presented with bilateral exophthalmos with reduced retropulsion of the globes, impairing physiologic eyelid closure, sanguineous ocular discharge, as well as swelling of the eyelids and periocular skin. Bilateral vitreal hemorrhage hindering examination of the fundus was further noticed. Systemic signs included reduced general demeanour, presence of a firm mass in the left half of the mammary gland, multiple masses in the area of the vulva and a mass between the shoulder blades...
February 16, 2017: Tierärztliche Praxis. Ausgabe G, Grosstiere/Nutztiere
https://www.readbyqxmd.com/read/28203170/primary-ewing-s-sarcoma-of-the-sinonasal-tract-a-case-report
#8
Tomoharu Suzuki, Ryuji Yasumatsu, Torahiko Nakashima, Shuji Arita, Hidetaka Yamamoto, Takashi Nakagawa
A 23-year-old male presented with a 3-month history of left purulent rhinorrhea, progressive nasal obstruction, and intermittent epistaxis. A fiberoptic examination revealed a large vascular polypoid mass completely filling the left nasal cavity. CT and MRI scans showed a large hypervascular mass involving the left nasal airway, maxillary antrum, and the anterior ethmoid cells. There was no bony erosion or contiguous spread, and the remaining sinuses, orbit, and cranial fossa were uninvolved. The patient underwent complete removal of the mass via an external lateral rhinotomy approach...
January 2017: Case Reports in Oncology
https://www.readbyqxmd.com/read/28202015/variant-discovery-in-the-sheep-milk-transcriptome-using-rna-sequencing
#9
Aroa Suárez-Vega, Beatriz Gutiérrez-Gil, Christophe Klopp, Gwenola Tosser-Klopp, Juan José Arranz
BACKGROUND: The identification of genetic variation underlying desired phenotypes is one of the main challenges of current livestock genetic research. High-throughput transcriptome sequencing (RNA-Seq) offers new opportunities for the detection of transcriptome variants (SNPs and short indels) in different tissues and species. In this study, we used RNA-Seq on Milk Sheep Somatic Cells (MSCs) with the goal of characterizing the genetic variation within the coding regions of the milk transcriptome in Churra and Assaf sheep, two common dairy sheep breeds farmed in Spain...
February 15, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28201937/selenium-methionine-and-chromium-methionine-supplementation-of-sheep-around-parturition-impacts-on-dam-and-offspring-performance
#10
Amir Mousaie, Reza Valizadeh, Mahmoud Chamsaz
To examine the effects of maternal energy restriction along with selenium-methionine (Se-Met) and chromium-methionine (Cr-Met) supplementation on performance of pregnant sheep and their offspring, the following treatments were allotted randomly to 40 multiparous Baluchi ewes (53.9 ± 1.15 kg of body weight [BW]) from 5 weeks prior to 5 weeks after parturition: (1) Control diet (60% and 100% of NRC energy requirements in pre- and post-partum, respectively); (2) Control diet plus 5 mg Se-Met/kg dry matter (DM); (3) Control diet plus 3 mg Cr-Met/kg DM and (4) Control diet plus 5 mg Se-Met and 3 mg Cr-Met/kg DM (Se-Cr-Met) of concentrate diet...
April 2017: Archives of Animal Nutrition
https://www.readbyqxmd.com/read/28199377/oncological-and-surgical-outcome-after-treatment-of-pelvic-sarcomas
#11
Stephan E Puchner, Philipp T Funovics, Christoph Böhler, Alexandra Kaider, Christoph Stihsen, Gerhard M Hobusch, Joannis Panotopoulos, Reinhard Windhager
BACKGROUND AND OBJECTIVES: Treatment of pelvic tumors remains challenging due to complex anatomy, poor oncological outcome and high complication rates. We sought to investigate the long-term oncological and surgical outcome of these patients. METHODS: Between 1980 and 2012, 147 patients underwent surgical treatment for pelvic sarcoma. Histological diagnosis was Chondrosarcoma in 54, Ewing's Sarcoma/PNET in 37, Osterosarcoma in 32 and others in 24 patients. Statistical analysis for the evaluation of oncological and surgical outcome was performed by applying Cox proportional hazards regression and Fine-Gray regression models for competing risk (CR) endpoints...
2017: PloS One
https://www.readbyqxmd.com/read/28198440/caesium-rich-micro-particles-a-window-into-the-meltdown-events-at-the-fukushima-daiichi-nuclear-power-plant
#12
Genki Furuki, Junpei Imoto, Asumi Ochiai, Shinya Yamasaki, Kenji Nanba, Toshihiko Ohnuki, Bernd Grambow, Rodney C Ewing, Satoshi Utsunomiya
The nuclear disaster at the Fukushima Daiichi Nuclear Power Plant (FDNPP) in March 2011 caused partial meltdowns of three reactors. During the meltdowns, a type of condensed particle, a caesium-rich micro-particle (CsMP), formed inside the reactors via unknown processes. Here we report the chemical and physical processes of CsMP formation inside the reactors during the meltdowns based on atomic-resolution electron microscopy of CsMPs discovered near the FDNPP. All of the CsMPs (with sizes of 2.0-3.4 μm) comprise SiO2 glass matrices and ~10-nm-sized Zn-Fe-oxide nanoparticles associated with a wide range of Cs concentrations (1...
February 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28197367/targeting-ewing-sarcoma-with-activated-and-gd2-specific-chimeric-antigen-receptor-engineered-human-nk-cells-induces-upregulation-of-immune-inhibitory-hla-g
#13
Sareetha Kailayangiri, Bianca Altvater, Christian Spurny, Silke Jamitzky, Sonja Schelhaas, Andreas H Jacobs, Constanze Wiek, Katharina Roellecke, Helmut Hanenberg, Wolfgang Hartmann, Heinz Wiendl, Susann Pankratz, Jutta Meltzer, Nicole Farwick, Lea Greune, Maike Fluegge, Claudia Rossig
Activated and in vitro expanded natural killer (NK) cells have substantial cytotoxicity against many tumor cells, but their in vivo efficacy to eliminate solid cancers is limited. Here, we used chimeric antigen receptors (CARs) to enhance the activity of NK cells against Ewing sarcomas (EwS) in a tumor antigen-specific manner. Expression of CARs directed against the ganglioside antigen GD2 in activated NK cells increased their responses to GD2+ allogeneic EwS cells in vitro and overcame resistance of individual cell lines to NK cell lysis...
2017: Oncoimmunology
https://www.readbyqxmd.com/read/28195664/an-adaptive-model-for-rapid-and-direct-estimation-of-extravascular-extracellular-space-in-dynamic-contrast-enhanced-mri-studies
#14
Azimeh N V Dehkordi, Alireza Kamali-Asl, James R Ewing, Ning Wen, Indrin J Chetty, Hassan Bagher-Ebadian
Extravascular extracellular space (ve ) is a key parameter to characterize the tissue of cerebral tumors. This study introduces an artificial neural network (ANN) as a fast, direct, and accurate estimator of ve from a time trace of the longitudinal relaxation rate, ΔR1 (R1  = 1/T1 ), in DCE-MRI studies. Using the extended Tofts equation, a set of ΔR1 profiles was simulated in the presence of eight different signal to noise ratios. A set of gain- and noise-insensitive features was generated from the simulated ΔR1 profiles and used as the ANN training set...
February 14, 2017: NMR in Biomedicine
https://www.readbyqxmd.com/read/28194738/collidoscope-an-improved-tool-for-computing-collisional-cross-sections-with-the-trajectory-method
#15
Simon A Ewing, Micah T Donor, Jesse W Wilson, James S Prell
Ion mobility-mass spectrometry (IM-MS) can be a powerful tool for determining structural information about ions in the gas phase, from small covalent analytes to large, native-like or denatured proteins and complexes. For large biomolecular ions, which may have a wide variety of possible gas-phase conformations and multiple charge sites, quantitative, physically explicit modeling of collisional cross sections (CCSs) for comparison to IMS data can be challenging and time-consuming. We present a "trajectory method" (TM) based CCS calculator, named "Collidoscope," which utilizes parallel processing and optimized trajectory sampling, and implements both He and N2 as collision gas options...
February 13, 2017: Journal of the American Society for Mass Spectrometry
https://www.readbyqxmd.com/read/28193773/dna-methylation-analysis-shows-epigenetic-heterogeneity-in-ewing-sarcoma
#16
(no author information available yet)
Ewing sarcoma is epigenetically heterogeneous despite the lack of genomic heterogeneity.
February 13, 2017: Cancer Discovery
https://www.readbyqxmd.com/read/28193130/religious-coping-and-types-and-sources-of-information-used-in-making-prostate-cancer-treatment-decisions
#17
Janice V Bowie, Caryn N Bell, Altovise Ewing, Ballington Kinlock, Ashley Ezema, Roland J Thorpe, Thomas A LaVeist
Treatment experiences for prostate cancer survivors can be challenging and dependent on many clinical and psychosocial factors. One area that is less understood is the information needs and sources men utilize. Among these is the influence of religion as a valid typology and the value it may have on treatment decisions. The objective of this study was to assess the relationship between race, religion, and cancer treatment decisions in African American men compared with White men. Data were from the Diagnosis and Decisions in Prostate Cancer Treatment Outcomes Study that consisted of 877 African American and White men...
February 1, 2017: American Journal of Men's Health
https://www.readbyqxmd.com/read/28192042/assessing-timing-and-causes-of-neonatal-lamb-losses-in-a-bighorn-sheep-ovis-canadensis-canadensis-herd-via-use-of-vaginal-implant-transmitters
#18
Jamin L Grigg, Lisa L Wolfe, Karen A Fox, Halcyon J Killion, Jessica Jennings-Gaines, Michael W Miller, Brian P Dreher
We evaluated the use of vaginal implant transmitters (VITs) as a means of detecting, capturing, and radio collaring Rocky Mountain bighorn sheep ( Ovis canadensis canadensis) lambs to estimate survival and to facilitate carcass recovery to assess causes of mortality. We focused on one of several bighorn herds in Colorado, USA, suffering from depressed recruitment that was not preceded by a classic all-age die-off. We captured, radio-collared, diagnosed pregnancy by ultrasound examination, and inserted VITs into 15 pregnant ewes from a herd residing near Granite, Colorado...
February 13, 2017: Journal of Wildlife Diseases
https://www.readbyqxmd.com/read/28191614/undifferentiated-round-cell-ewing-like-sarcoma-not-always-so-round-nor-ewing-like
#19
EDITORIAL
Wei-Lien Wang, Alexander J Lazar
No abstract text is available yet for this article.
February 13, 2017: Virchows Archiv: An International Journal of Pathology
https://www.readbyqxmd.com/read/28190485/cost-benefit-analysis-of-management-practices-for-ewes-lame-with-footrot
#20
Joanne R Winter, Laura E Green
The aim of this study was to investigate the cost-benefit of different strategies to treat and control ovine footrot. In November 2006, 162 sheep farmers in England responded to a survey on prevalence and management of lameness. The costs of lameness per ewe per year (PEPY) were calculated for 116 flocks. Linear regression was used to model the overall cost of lameness PEPY by management method. Associations between farmer satisfaction and time and money spent managing lameness were investigated. The median prevalence of lameness was 5% (inter-quartile range, IQR, 4-10%)...
February 2017: Veterinary Journal
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