ArticleScientific reports2019
Optimization of the energy for Breast monochromatic absorption X-ray Computed Tomography.
Article in Scientific reports, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed.
- Signal-to-noise and spatial resolution in in-line imaging. 3. Optimization using a simple model.Journal of synchrotron radiation · 2026Article
- Compton Camera X-Ray Fluorescence Imaging Design and Image Reconstruction Algorithm Optimization.Journal of imaging · 2025Article
- Motion artifacts assessment and correction using optical tracking in synchrotron radiation breast CT.Medical physics · 2021Article
- Effect of x-ray energy on the radiological image quality in propagation-based phase-contrast computed tomography of the breast.Journal of medical imaging (Bellingham, Wash.) · 2021Article
- Experimental optimization of the energy for breast-CT with synchrotron radiation.Scientific reports · 2020Article
- Image quality comparison between a phase-contrast synchrotron radiation breast CT and a clinical breast CT: a phantom based study.Scientific reports · 2019Article
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Authors and funding
6 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The limits of mammography have led to an increasing interest on possible alternatives such as the breast Computed Tomography (bCT). The common goal of all X-ray imaging techniques is to achieve the optimal contrast resolution, measured through the Contrast to Noise Ratio (CNR), while minimizing the radiological risks, quantified by the dose. Both dose and CNR depend on the energy and the intensity of the X-rays employed for the specific imaging technique. Some attempts to determine an optimal energy for bCT have suggested the range 22 keV-34 keV, some others instead suggested the range 50 keV-60 keV depending on the parameters considered in the study. Recent experimental works, based on the use of monochromatic radiation and breast specimens, show that energies around 32 keV give better image quality respect to setups based on higher energies. In this paper we report a systematic study aiming at defining the range of energies that maximizes the CNR at fixed dose in bCT. The study evaluates several compositions and diameters of the breast and includes various reconstruction algorithms as well as different dose levels. The results show that a good compromise between CNR and dose is obtained using energies around 28 keV.
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