Dose Reduction in Abdominal Computed Tomography

Abstract

Direct intrapatient comparison of standard FD body protocols and HD-IRIS reconstruction suggest that the latest iterative reconstruction algorithms allow for approximately 50% dose reduction without deterioration of the high image quality necessary for confident diagnosis.

The adaptive statistical iterative reconstruction-V technique for radiation dose reduction in abdominal CT: comparison with the adaptive statistical iterative reconstruction technique

“…[14][15][16][17][18] This method provided for improved image quality at even lower doses than those used for FBP.…”

Upgrade to Iterative Image Reconstruction (IR) in Abdominal MDCT Imaging: A Clinical Study for Detailed Parameter Optimization Beyond Vendor Recommendations Using the Adaptive Statistical Iterative Reconstruction Environment (ASIR)

“…As a consequence of this, it has to be assured that image quality remains above a diagnostic, secure level. Particular recent developments in this field are iterative/ statistical image reconstruction algorithms [21]. As one representative of this group, the adaptive statistical iterative reconstruction (ASIR) software was surveyed and compared to FBP full-dose CT examinations in this study.…”

Task-based measures of image quality and their relation to radiation dose and patient risk

“…Instead they use subjective ratings of anecdotal images; opinion polls, such as preference studies or conspicuity and sharpness ratings with experienced radiologists; or various noise measures such as variances and contrast-to noise ratio. Recent examples of this kind of non-task-based assessment of iterative methods for CT include [219–227]. …”