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Title: Radiation dose vs. image quality for low-dose CT protocols of the head for maxillofacial surgery and oral implant planning
Authors: Loubele, Miet ×
Jacobs, Reinhilde
Maes, Frederik
Schutyser, Filip
Debaveye, D
Bogaerts, Maria
Coudyzer, W
Vandermeulen, Dirk
Van Cleynenbreugel, Johan
Marchal, Guy
Suetens, Paul #
Issue Date: 14-Mar-2006
Publisher: Nuclear Technology Pub.
Series Title: Radiation Protection Dosimetry vol:117 issue:1-3 pages:211-216
Conference: International workshop on optimisation of dose and performance in interventional and digital imaging- DIMOND III location:Leuven, Belgium date:March 25-27, 2004
Abstract: The goal of this study was to determine the acquisition parameters for a low-dose multi-slice CT protocol and to compare the effective dose and the image quality of this low-dose protocol with the image quality of a clinical multi-slice CT protocol, routinely used for visualisation of the head. The low-dose protocol was derived from a clinical multi-slice CT protocol by lowering mA s and kV and increasing the pitch. The low-dose protocol yielded a dose reduction from 1.5 to 0.18 mSv for a multi-slice CT scan of the whole head, whereas noise in the low-dose CT images was increased. For bone segmentation, noise could be reduced by use of a non-linear edge preserving smoothing filter. Tests on ESP and skull phantom indicated that the accuracy of the measurements on low-dose CT is acceptable for image-based planning of maxillofacial and oral implant surgery, reducing the dose by a factor of 8.
Description: Loubele M., Jacobs R., Maes F., Schutyser F., Debaveye D., Bogaerts R., Coudyzer W., Vandermeulen D., Van Cleynenbreugel J., Marchal G., Suetens P., ''Radiation dose vs. image quality for low-dose CT protocols of the head for maxillofacial surgery and oral implant planning'', Radiation protection dosimetry, vol. 117, no. 1-3, pp. 211-216, March 14, 2006 (International workshop on optimisation of dose and performance in interventional and digital imaging- DIMOND III, March 25-27, 2004, Leuven, Belgium).
URI: 
ISSN: 0144-8420
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Radiology
Laboratory of Experimental Radiotherapy
ESAT - PSI, Processing Speech and Images
Clinical Residents Medicine
Oral Imaging
× corresponding author
# (joint) last author

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