Ground-glass opacity: High-resolution computed tomography and 64-multi-slice computed tomography findings comparison |
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Authors: | Gianluigi Sergiacomi Carmelo Cicciò Luca Boi Luca Velari Sonia Crusco Antonio Orlacchio Giovanni Simonetti |
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Institution: | Department of Diagnostic Imaging, Molecular Imaging, Interventional Radiology and Radiation Therapy, University Polyclinic of Tor Vergata, Viale Oxford 81, 00133 Rome, Italy |
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Abstract: | ObjectiveComparative evaluation of ground-glass opacity using conventional high-resolution computed tomography technique and volumetric computed tomography by 64-row multi-slice scanner, verifying advantage of volumetric acquisition and post-processing technique allowed by 64-row CT scanner.MethodsThirty-four patients, in which was assessed ground-glass opacity pattern by previous high-resolution computed tomography during a clinical-radiological follow-up for their lung disease, were studied by means of 64-row multi-slice computed tomography. Comparative evaluation of image quality was done by both CT modalities.ResultsIt was reported good inter-observer agreement (k value 0.78-0.90) in detection of ground-glass opacity with high-resolution computed tomography technique and volumetric Computed Tomography acquisition with moderate increasing of intra-observer agreement (k value 0.46) using volumetric computed tomography than high-resolution computed tomography.ConclusionsIn our experience, volumetric computed tomography with 64-row scanner shows good accuracy in detection of ground-glass opacity, providing a better spatial and temporal resolution and advanced post-processing technique than high-resolution computed tomography. |
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Keywords: | Ground-glass opacity High-resolution computed tomography Volumetric computed tomography by 64-row multi-slice scanner |
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