6,051 research outputs found

    Omental well-differentiated liposarcoma: US, CT and MR findings

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    Liposarcomas are the most common of sarcoma tumours, they are usually located in the lower limbs, retroperitoneum, or abdominal cavity; up to date, only a few cases of omental liposarcoma with different histotype have been described. We present a case of omental well-differentiated liposarcoma and discuss imaging findings on ultrasound, computed tomography, and magnetic resonance to differentiate omental liposarcomas from other abdominal tumour entities

    The quest for natural SUSY: ATLAS searches

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    This document presents the status of the searches for supersymmetric particles with √ the ATLAS detector at LHC, in proton proton collisions at √s = 8TeV in the context of natural Supersymmetry. This covers an extensive list of scenarios including the production of third generation squarks (both direct and gluino mediated), charginos and neutralinos. No deviation from the background expectations has been observed in data and it has been possible to put stringent limits on the masses of gluinos, third-generation squarks and light gauginos in a wide range of models

    ATLAS Supersymmetry searches

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    Supersymmetry with large mixing angle predicts that the lightest superpartners of the Standard Model fermions belong to the third generation. Furthermore, naturalness arguments favor masses not too far from the top quark mass. This document presents the status of the searches for supersymmetric particles with the ATLAS detector at LHC, in proton-proton collisions at √s = 7TeV. It has been possible to put stringent limits on many supersymmetric particle masses and extend the search for scalar partners of the third generation, both in direct and gluino mediated production

    Transitions into institutional adulthood

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    Key findings • With adequate care and support, migrant young people can make highly successful transitions at 18. • Many unaccompanied migrant young people face specific difficulties when transitioning to adulthood (compared to non-migrant young people in local authority care). • The quality of local authority social care support for young people turning 18, and at later transitions, varies widely within and between local authorities. • Some young people choose to disengage from statutory services at 18 because they fear detention and forced removal. • For young people who have exhausted their appeal rights, transition to adulthood can mean having to survive by relying on social networks and the informal economy. • Transition to adulthood for young people who disengage from services is often characterised by homelessness, destitution and poor mental and physical health

    The INGV tectonomagnetic network: 2004?2005 preliminary dataset analysis

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    International audienceIt is well established that earthquakes and volcanic eruption can produce small variations in the local geomagnetic field. The Italian Istituto Nazionale di Geofisica e Vulcanologia (INGV) tectonomagnetic network was installed in Central Italy since 1989 to investigate possible effects on the local geomagnetic field related to earthquakes occurrences. At the present time, total geomagnetic field intensity data are collected in four stations using proton precession magnetometers. We report the complete dataset for the period of years 2004?2005. The data of each station are differentiated respect to the data of the other stations in order to detect local field anomalies removing the contributions from the other sources, external and internal to the Earth. Unfortunately, no correlation between geomagnetic anomalies and the local seismic activity, recorded in Central Italy by the INGV Italian Seismic National Network, was found in this period. Some deceptive structures present in the differentiated data are pointed out

    Walking a Tightrope: Unaccompanied migrant young people, transitions and futures

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    With the collaboration of Praxis Community Projects and Shpresa Programme, a series of photography workshops were conducted with young people from different backgrounds who have gone through similar experiences of migration. Many of these people came to the UK on their own as children, without their family. Their images narrate the difficult and continuous journey they make, and the life changing transitions that this journey entailed. It is a journey without a clear point of departure or arrival - or a clear sense of direction – but which brings multiple transformations and transitions along the way. People have to negotiate completely different cultural, social and political environments and, most importantly, the constraints of an exclusionary asylum system that has profound effects on their everyday lives. These young people often live with the terrifying uncertainty of not knowing what will happen to them or whether they will be returned to the country from which they have fled

    Communication, digital media and future: new scenarios and future changes

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    Proceedings of the MEDCOM 2020+1 International Conferenc

    Is contrast-enhanced US alternative to spiral CT in the assessment of treatment outcome of radiofrequency ablation in hepatocellular carcinoma?

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    Purpose: The present study was conducted to assess the efficacy of contrast-enhanced ultrasound with low mechanical index in evaluating the response of percutaneous radiofrequency ablation treatment of hepatocellular carcinoma by comparing it with 4-row spiral computed tomography. Materials and Methods: 100 consecutive patients (65 men and 35 women; age range: 62 – 76 years) with solitary hepatocellular carcinomas (mean lesion diameter: 3.7cm± 1.1cm SD) underwent internally cooled radiofrequency ablation. Therapeutic response was evaluated at one month after the treatment with triple-phasic contrast-enhanced spiral CT and low-mechanical index contrast-enhanced ultrasound following bolus injection of 2.4 ml of Sonovue (Bracco, Milan). 60 out of 100 patients were followed up for another 3 months. Contrast-enhanced sonographic studies were reviewed by two blinded radiologists in consensus. Sensitivity, specificity, NPV and PPV of contrast-enhanced ultrasound examination were determined. Results: After treatment, contrast-enhanced ultrasound identified persistent signal enhancement in 24 patients (24%), whereas no intratumoral enhancement was detected in the remaining 76 patients (76%). Using CT imaging as gold standard, the sensitivity, specificity, NPV, and PPV of contrast enhanced ultrasound were 92.3% (95% CI = 75.9 – 97.9%), 100% (95% CI = 95.2 – 100%), 97.4% (95% CI = 91.1 – 99.3%), and 100% (95% CI = 86.2 – 100%). Conclusion: Contrast-enhanced ultrasound with low mechanical index using Sonovue is a feasible tool in evaluating the response of hepatocellular carcinoma to radiofrequency ablation. Accuracy is comparable to 4-row spiral CT

    The INGV tectonomagnetic network: 2004-2005 preliminary dataset analysis

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    It is well established that earthquakes and volcanic eruption can produce small variations in the local geomagnetic field. The Italian Istituto Nazionale di Geofisica e Vulcanologia (INGV) tectonomagnetic network was installed in Central Italy since 1989 to investigate possible effects on the local geomagnetic field related to earthquakes occurrences. At the present time, total geomagnetic field intensity data are collected in four stations using proton precession magnetometers. We report the complete dataset for the period of years 2004-2005. The data of each station are differentiated respect to the data of the other stations in order to detect local field anomalies removing the contributions from the other sources, external and internal to the Earth. Unfortunately, no correlation between geomagnetic anomalies and the local seismic activity, recorded in Central Italy by the INGV Italian Seismic National Network, was found in this period. Some deceptive structures present in the differentiated data are pointed out

    Weak insensitivity to initial conditions at the edge of chaos in the logistic map

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    We extend existing studies of weakly sensitive points within the framework of Tsallis non-extensive thermodynamics to include weakly insensitive points at the edge of chaos. Analyzing tangent points of the logistic map we have verified that the generalized entropy with suitable entropic index q correctly describes the approach to the attractor.Comment: 6 pages, 3 figure
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