Neuroradiology (2017) 59:845–852 DOI 10.1007/s00234-017-1871-6 DIAGNOSTIC NEURORADIOLOGY Impact of metal artifact reduction software on image quality of gemstone spectral imaging dual-energy cerebral CT angiography after intracranial aneurysm clipping 1 1 1 1 Vincent Dunet & Martine Bernasconi & Steven David Hajdu & Reto Antoine Meuli & 2 1 Roy Thomas Daniel & Jean-Baptiste Zerlauth Received: 16 May 2017 /Accepted: 19 June 2017 /Published online: 27 July 2017 Springer-Verlag GmbH Germany 2017 Abstract images, respectively, with up to 15% rCBR and rCNR in- Purpose We aimed to assess the impact of metal artifact re- crease on GSI-MARs images. duction software (MARs) on image quality of gemstone spec- Conclusion MARs significantly reduces metal artifacts on DE tral imaging (GSI) dual-energy (DE) cerebral CT angiography cerebral CTA after intracranial aneurysm clipping regardless (CTA) after intracranial aneurysm clipping. of clips’ location and number. It may be used to reduce radi- Methods This retrospective study was approved by the insti- ation dose while increasing CNR. tutional review board, which waived patient written consent. From January 2013 to September 2016, single source DE Keywords Metal artifact reduction software Dual-energy . . . cerebral CTA were performed in 45 patients (mean age: CT Reconstruction Aneurysm clipping
Neuroradiology 0028-3940 – Springer Journals
Published: Jul 27, 2017
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