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Static pTx (B\n                      <jats:sub>1<\/jats:sub>\n                      <jats:sup>+<\/jats:sup>\n                      shimming) was applied to maximize B\n                      <jats:sub>1<\/jats:sub>\n                      <jats:sup>+<\/jats:sup>\n                      magnitude in the target region. For each T\n                      <jats:sub>1<\/jats:sub>\n                      map, data were collected using eight snapshot gradient-echo inversion recovery sequences during breath holding. Voxel-wise T\n                      <jats:sub>1<\/jats:sub>\n                      values were calculated based on DICOM data using exponential model fitting.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      Mean abdomen T\n                      <jats:sub>1<\/jats:sub>\n                      values and corresponding coefficients of variation across the group were: 1829\u2009\u00b1\u200960\u00a0ms, 3.3% for the kidney cortex; 2619\u2009\u00b1\u200983\u00a0ms, 3.2% for the kidney medulla; 1378\u2009\u00b1\u200948\u00a0ms, 3.5% for the liver; 1954\u2009\u00b1\u200928\u00a0ms, 1.4% for the skeletal paraspinal muscle; 1770\u2009\u00b1\u200936\u00a0ms, 2.0% for the spleen.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>\n                      In this study, we quantified the T\n                      <jats:sub>1<\/jats:sub>\n                      relaxation times at 7T for key abdominal organs and tissues, including the liver, kidney, spleen, and skeletal paraspinal muscle. To achieve this, pTx was applied to mitigate B\n                      <jats:sub>1<\/jats:sub>\n                      <jats:sup>+<\/jats:sup>\n                      dropouts in the target regions. The B\n                      <jats:sub>1<\/jats:sub>\n                      <jats:sup>+<\/jats:sup>\n                      insensitive snapshot gradient-echo inversion recovery method was utilized to acquire accurate and reproducible T\n                      <jats:sub>1<\/jats:sub>\n                      maps.\n                    <\/jats:p>\n                  <\/jats:sec>","DOI":"10.1007\/s10334-025-01317-4","type":"journal-article","created":{"date-parts":[[2026,1,3]],"date-time":"2026-01-03T08:29:25Z","timestamp":1767428965000},"page":"605-617","update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Abdominal T1 relaxation times at 7T"],"prefix":"10.1007","volume":"39","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-7401-8022","authenticated-orcid":false,"given":"Petr","family":"Bulanov","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Petr","family":"Menshchikov","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Johannes A.","family":"Grimm","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Niklas","family":"Himburg","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Simon","family":"Schmidt","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Stephan","family":"Orzada","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mark E.","family":"Ladd","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sebastian","family":"Schmitter","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2026,1,3]]},"reference":[{"key":"1317_CR1","first-page":"63","volume":"12","author":"S Roozpeykar","year":"2022","unstructured":"Roozpeykar S, Azizian M, Zamani Z, Farzan MR, Veshnavei HA, Tavoosi N, Toghyani A, Sadeghian A, Afzali M (2022) Contrast-enhanced weighted-T1 and FLAIR sequences in MRI of meningeal lesions. 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