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To determine the effect of different numbers of projection images in C-arm cone-beam computed tomography (CBCT) on diagnostic content and image quality in patients undergoing angiographic embolotherapy for hepatocellular carcinoma (HCC).A total of 29 patients who underwent contrast-enhanced conventional multidetector CT (MDCT) within 6 weeks prior to CBCT acquired during embolotherapy for HCC between...
•Evaluation of Metal Artefact Reduction algorithm for C-arm CT biopsy needle artefact.•MAR-corrected images demonstrated improved image quality.•Significant image-noise reduction observed in the needle vicinity in patient group.•MAR algorithm provides better visualization of needle and surrounding soft tissue.•MAR can potentially improve physician's confidence in needle tip placement.
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