Radiation Clinical Trial
Official title:
CODP Imaging From a Dose Perspective - Effective Organ Doses of a Combined Inspiration-expiration Protocol on a 3rd Generation Dual-source CT
The noncontrast-enhanced chest computed tomography (CT) is an emerging diagnostical tool in
patient with chronic obstructive pulmonary disease (COPD). As shown in previous studies and
pointed out by the Fleischner society, an additional scan in expiration reflects the
pathophysiology of this complex disease better and extends the clinical information of the
CT.
Nevertheless, this scan is leading to an increase in radiation dose. But currently it is
unclear if this increased radiation dose is proportional to the additional clinical value
when compared to inspiration-only protocols. Therefore, the aim of this study was to compare
the organ specific radiation doses of a combined inspiration-expiration CT on a 3rd
generation dual-source scanner with noncontrast-enhanced chest CTs of two clinical routine
scanners. Therefore, the radiation doses of nearly 2000 chest CTs have been evaluated.
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