Cape Town - 2026 ISMRM-ISMRT Annual Meeting and Exhibition
9 May 2026 – 14 May 2026 · Cape Town, South Africa
569-01-009 ISMRM Abstract

Why is T2*?

Primary: Contrast Mechanisms - Microstructure
Secondary: Contrast Mechanisms - Relaxometry
569-01-009 · Signal Modeling and Signal Preparation: Novel Approaches · Wednesday, 13 May, 8:20 AM–9:15 AM · Digital Posters Row J
Keywords: Microstructure Mathematical modeling T2-star Magnetic susceptibility Free diffusion
Accepted
Pippa Storey 1, Dmitry S Novikov1
1Department of Radiology, Center for Advanced Imaging Innovation and Research (CAI²R), New York University Grossman School of Medicine, New York, United States of America
Presenting Author: Pippa Storey

Synopsis

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References

1. Bloembergen, N., Purcell, E.M., Pound, R.V., 1948. Relaxation effects in nuclear magnetic resonance absorption. Phys. Rev. 73 (7), 679–712.
2. Yablonskiy, D.A., Haacke, E.M., 1994. Theory of NMR signal behavior in magnetically inhomogeneous tissues: the static dephasing regime. Magn. Reson. Med. 32 (6),749–763. doi: 10.1002/mrm.1910320610. [doi]
3. Kiselev, V.G., Posse, S., 1998. Analytical theory of susceptibility induced NMR signal dephasing in a cerebrovascular network. Phys. Rev. Lett. 81, 5696–5699.
4. Kiselev, V.G., Novikov, D.S., 2002. Transverse NMR relaxation as a probe of mesoscopic structure. Phys. Rev. Lett. 89 (27), 278101.
5. Jensen, J., Chandra, R., 2000. NMR relaxation in tissues with weak magnetic inhomogeneities. Magn. Reson. Med. 44 (1), 144–156. PMID: 10893533 [pmid]
6. Sukstanskii, A.L., Yablonskiy, D.A., 2003. Gaussian approximation in the theory of MR signal formation in the presence of structure-specific magnetic field inhomogeneities. J. Magn. Reson. 163 (2), 236–247. doi: 10.1016/s1090-7807(03)00131-9. [doi]
7. Sukstanskii, A.L., Yablonskiy, D.A., 2004. Gaussian approximation in the theory of MR signal formation in the presence of structure-specific magnetic field inhomogeneities. Effects of impermeable susceptibility inclusions. J. Magn. Reson. 167 (1), 56–67. doi: 10.1016/j.jmr.2003.11.006. [doi]
8. Kiselev, V.G., Novikov, D.S., 2018. Transverse NMR relaxation in biological tissues. NeuroImage 182, 149–168. doi: 10.1016/j.neuroimage.2018.06.002. [doi]
9. Storey, P., Novikov, D.S., 2024. Signatures of microstructure in gradient-echo and spin-echo signals. Magn. Reson. Med. 92(1), 269–288. doi: 10.1002/mrm.30022. [doi]
10. Dyakonov, M., Perel, V., 1971. Spin orientation of electrons associated with interband absorption of light in semiconductors. Sov. Phys. JETP 33, 1053.

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http://echo.ismrm.org/p/ISMRM2026/569-01-009