Abstract

International Journal of Imaging Systems and TechnologyVolume 33, Issue 2 p. 770-770 CORRIGENDUMFree Access Correction to ‘ORYX-MRSI: A fully-automated open-source software for proton magnetic resonance spectroscopic imaging data analysis’ This article corrects the following: ORYX-MRSI: A fully-automated open-source software for proton magnetic resonance spectroscopic imaging data analysis Sevim Cengiz, Muhammed Yildirim, Abdullah Bas, Esin Ozturk-Isik, Volume 32Issue 4International Journal of Imaging Systems and Technology pages: 1068-1083 First Published online: May 17, 2022 First published: 27 January 2023 https://doi.org/10.1002/ima.22857AboutSectionsPDF ToolsRequest permissionExport citationAdd to favoritesTrack citation ShareShare Give accessShare full text accessShare full-text accessPlease review our Terms and Conditions of Use and check box below to share full-text version of article.I have read and accept the Wiley Online Library Terms and Conditions of UseShareable LinkUse the link below to share a full-text version of this article with your friends and colleagues. Learn more.Copy URL Share a linkShare onFacebookTwitterLinkedInRedditWechat We regret to report a technical error in our manuscript entitled ‘ORYX-MRSI: A fully-automated open-source software for proton magnetic resonance spectroscopic imaging data analysis’. The volume of interest (VOI) for all the MR spectroscopic metabolites, other than the reference metabolite, are shifted in space by their respective chemical shift amounts as calculated by Equation 2 due to the chemical shift error. Even though there is a shift in the VOIs of different metabolites, it was incorrect to shift the metabolite maps along with their corresponding VOIs. This technical error has been corrected in the Oryx-MRSI source code, which has been updated on our laboratory's GitHub page. Currently, if the chemical shift correction is set to ‘on’, the corresponding VOIs for the metabolites are shifted in space by their respective chemical shift amounts, and the metabolite intensities are evaluated at their respective locations. Additionally, the metabolite ratios are evaluated only in the region that is located at the intersection of the corresponding metabolite VOIs. Moreover, the tissue fractions are calculated only once at the reference VOI. As a result, Figure 5 is not accurate after correction and hence should not be considered for further discussion. The authors thank Wolfgang Bogner, Ph.D. and Gilbert Hangel, Ph.D. for their careful reviews of the published manuscript and apologize for this error. REFERENCE 1Cengiz S, Yildirim M, Bas A, Ozturk-Isik E. ORYX-MRSI: a fully-automated open-source software for proton magnetic resonance spectroscopic imaging data analysis. Int J Imaging Syst Technol. 2022; 32: 1068- 1083. doi:10.1002/ima.22748 Volume33, Issue2March 2023Pages 770-770 ReferencesRelatedInformation

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