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Dose conversion coefficients for partial-fan CBCT scans.
Proc. SPIE 10132:1013241 (2017)
Due to the increasing number of cone-beam CT (CBCT) devices on the market, reliable estimates of patient doses for these imaging modality is desired. Cone-beam CT devices differ from conventional CT not only by a larger collimation but also by different recording modes. In this work, it has been investigated whether reliable patient doses can be obtained for CBCT devices in partial-fan mode using pre-computed slices. As an exemplary case, chest CBCT scans for the ICRP reference adult models has been examined. By normalizing organ doses to CTDI100w , the resulting dose conversion coefficients for CBCT could be well reproduced by precomputed slices, with a relative difference in the effective dose conversion coefficients of less than 10%.
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Publikationstyp
Artikel: Journalartikel
Dokumenttyp
Wissenschaftlicher Artikel
ISSN (print) / ISBN
0277-786X
e-ISSN
1996-756X
Konferenztitel
Medical Imaging 2017: Physics of Medical Imaging
Konferzenzdatum
11 February 2017
Konferenzort
Orlando, Florida, United States
Zeitschrift
Proceedings of SPIE
Quellenangaben
Band: 10132,
Artikelnummer: 1013241
Verlag
SPIE
Nichtpatentliteratur
Publikationen
Begutachtungsstatus
Peer reviewed