Please use this identifier to cite or link to this item: http://hdl.handle.net/2440/72999
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Type: Journal article
Title: Four dimensional CT imaging: a review of current technologies and modalities
Author: Moorrees, J.
Bezak, E.
Citation: Australasian Physical and Engineering Sciences in Medicine, 2012; 35(1):9-23
Publisher: Australasian College of Physical Scientists and Engineers in Medicine
Issue Date: 2012
ISSN: 0158-9938
1879-5447
Statement of
Responsibility: 
J. Moorrees, E. Bezak
Abstract: Organ motion is a substantial concern in the treatment of thoracic tumours using radiotherapy. A number of technologies have evolved in order to address this both during computed tomography (CT) imaging and radiation delivery. This review paper investigates the various technologies which have been developed in the field of CT scanning as well as their accuracy, cost and the implications of their clinical implementation. The scanning modalities covered include: slow CT, breath hold CT, gated CT and retrospectively correlated CT (4DCT). It was found that there are advantages and drawbacks to each of the mentioned techniques relating to patient dose, scan time, extra equipment and workload. Also some scanning techniques are only compatible with certain treatment modalities which would further influence the decision as to which technologies to implement.
Keywords: 4DCT; Review; Four dimensional; Retrospective; Prospective; Gated; Breath hold
Rights: © Australasian College of Physical Scientists and Engineers in Medicine 2012
RMID: 0020118301
DOI: 10.1007/s13246-012-0124-6
Appears in Collections:Physics publications

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