Clinical radiology
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Randomized Controlled Trial
Radiation dose of non-enhanced chest CT can be reduced 40% by using iterative reconstruction in image space.
To evaluate the image quality and dose reduction capability of non-enhanced chest computed tomography (CT) examinations using iterative reconstruction in image space (IRIS). ⋯ Compared with FBP, IRIS can maintain or improve image quality on unenhanced chest CT image reconstruction while saving 40% radiation dose.