Ailbhe C. O’Neill

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To validate estimated tumour volumetry in primary gastric gastrointestinal stromal tumours (GISTs) using semiautomated volumetry. In this IRB-approved retrospective study, we measured the three longest diameters in x, y, z axes on CTs of primary gastric GISTs in 127 consecutive patients (52 women, 75 men, mean age 61 years) at our institute between 2000 and(More)
Cardiac magnetic resonance imaging (CMR) has undergone considerable technology advances in recent years, so that it is now entering into mainstream cardiac imaging practice. In particular, CMR is proving to be a valuable imaging tool in the detection, morphological assessment and functional assessment of cardiomyopathies. Although our understanding of this(More)
Measuring the cosmic gamma ray flux at super-GZK energies is of significance in both observing the GZK effect and putting constraints on more exotic models of the origin of UHECRs. At these energies, gamma ray primaries interact with the earth’s magnetic field before they enter the atmosphere. We have developed a simulation of gamma ray preshowers to study(More)
We present a method to measure the flux of various cosmic ray compositions by comparing the measured distribution of shower maxima with that of simulated distributions. The advantages of the method include its use of the full shower maximum distribution (rather than just the mean), and its calculation of a flux for various cosmic ray compositions. The(More)
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