eprintid: 10133404 rev_number: 18 eprint_status: archive userid: 608 dir: disk0/10/13/34/04 datestamp: 2021-08-31 11:20:40 lastmod: 2021-09-23 22:21:12 status_changed: 2021-08-31 11:20:40 type: article metadata_visibility: show creators_name: Slator, PJ creators_name: Palombo, M creators_name: Miller, KL creators_name: Westin, C-F creators_name: Laun, F creators_name: Kim, D creators_name: Haldar, JP creators_name: Benjamini, D creators_name: Lemberskiy, G creators_name: de Almeida Martins, JP creators_name: Hutter, J title: Combined diffusion-relaxometry microstructure imaging: Current status and future prospects ispublished: inpress divisions: UCL divisions: B04 divisions: C05 divisions: F48 keywords: diffusion, multidimensional MRI, quantitative MRI, relaxometry note: © 2021 The Authors. Magnetic Resonance in Medicine published by Wiley Periodicals LLC on behalf of International Society for Magnetic Resonance in Medicine. This is an open access article under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/). abstract: Microstructure imaging seeks to noninvasively measure and map microscopic tissue features by pairing mathematical modeling with tailored MRI protocols. This article reviews an emerging paradigm that has the potential to provide a more detailed assessment of tissue microstructure—combined diffusion-relaxometry imaging. Combined diffusion-relaxometry acquisitions vary multiple MR contrast encodings—such as b-value, gradient direction, inversion time, and echo time—in a multidimensional acquisition space. When paired with suitable analysis techniques, this enables quantification of correlations and coupling between multiple MR parameters—such as diffusivity, T_{1}, T_{2}, and T_{3}*. This opens the possibility of disentangling multiple tissue compartments (within voxels) that are indistinguishable with single-contrast scans, enabling a new generation of microstructural maps with improved biological sensitivity and specificity. date: 2021-08-19 publisher: WILEY official_url: https://doi.org/10.1002/mrm.28963 oa_status: green full_text_type: pub language: eng primo: open primo_central: open_green verified: verified_manual elements_id: 1883327 doi: 10.1002/mrm.28963 lyricists_name: Palombo, Marco lyricists_name: Slator, Patrick lyricists_id: MPALO05 lyricists_id: PJSLA44 actors_name: Flynn, Bernadette actors_id: BFFLY94 actors_role: owner full_text_status: public publication: Magnetic Resonance in Medicine pages: 25 citation: Slator, PJ; Palombo, M; Miller, KL; Westin, C-F; Laun, F; Kim, D; Haldar, JP; ... Hutter, J; + view all <#> Slator, PJ; Palombo, M; Miller, KL; Westin, C-F; Laun, F; Kim, D; Haldar, JP; Benjamini, D; Lemberskiy, G; de Almeida Martins, JP; Hutter, J; - view fewer <#> (2021) Combined diffusion-relaxometry microstructure imaging: Current status and future prospects. Magnetic Resonance in Medicine 10.1002/mrm.28963 <https://doi.org/10.1002/mrm.28963>. (In press). Green open access document_url: https://discovery.ucl.ac.uk/id/eprint/10133404/1/mrm.28963.pdf