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. 2022 Jul 21;12:12468. doi: 10.1038/s41598-022-16324-x

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© The Author(s) 2022, corrected publication 2022

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/.

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Patients of both groups with FLLs missed in L1-DWI. (A) 47-year-old female patient of group A who underwent a liver MRI for staging of colorectal carcinoma. In conv-DWI (upper row left), a FLL was detected in segment VII, that was not prospectively called on L1-DWI (upper row right). Taking all sequences from the routine MRI into account, e.g. T2-TSE (lower row left) and eTHRIVE (lower row right), this FLL corresponded to a cystic transformed metastasis. conv-DWI = single-shot EPI-based DWI with parallel imaging reconstruction. L1-DWI = single-shot EPI-based DWI with L1-regularized iterative reconstruction. T2w-TSE = T2-weighted turbo-spin echo. eTHRIVE = enhanced high-resolution fat-suppressed pulse sequence. (B) 46-year-old female patient of group B who underwent a liver MRI for staging of cervical carcinoma. In conv-DWI (upper row left), a FLL was detected in segment V, that was not prospectively called on L1-DWI (upper row right). Taking all sequences from the routine MRI into account, e.g. T2-TSE (lower row left) and eTHRIVE after injection of Gadobutrol (lower right right), this FLL corresponded to a thrombosed liver hemangioma. conv-DWI = single-shot EPI-based DWI with parallel imaging reconstruction. L1-DWI = single-shot EPI-based DWI with L1-regularized iterative reconstruction. T2w-TSE = T2-weighted turbo-spin echo. eTHRIVE = enhanced high-resolution fat-suppressed pulse sequence.