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. 2022 Oct 3;12:16498. doi: 10.1038/s41598-022-20395-1

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© The Author(s) 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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(A) Sagittal T2-weighted turbo spin echo acquisition in the lower spine used for subsequent prescription of the high-resolution axial acquisition. (B) Corresponding axial slices acquired with the 3D multi-echo gradient-echo sequence ( Siemens FLASH) in the caudal-rostral direction (slices 1–20). Highlighted are the slice in the lumbosacral enlargement (LSE) with the largest cord cross-sectional spinal cord area (defined as the "LSE slice" and shown in light blue in A and B; here: slice 15), and the most caudal slice in the conus medullaris (CM) where the gray matter still has the characteristic butterfly shape (defined as the "CM slice" and shown in red in A and B; here: slice 9). A saturation band, displayed as yellow shaded area in A, was placed anterior to the spine to suppress signal and possible artifacts arising from abdominal peristalsis.