Cape Town - 2026 ISMRM-ISMRT Annual Meeting and Exhibition
9 May 2026 – 14 May 2026 · Cape Town, South Africa
407-04-002 ISMRM Abstract

3D T2* Mapping Detects Persistent Meniscal Collagen Disorganization and Extrusion After Medial Meniscus Posterior Root Tear

Primary: Musculoskeletal - Other Musculoskeletal
Secondary: Contrast Mechanisms - Relaxometry
407-04-002 · New Outcome Measures for Studying the Joint · Tuesday, 12 May, 4:00 PM–5:50 PM · Meeting Room 1.40
Keywords: Knee Osteoarthritis Meniscus
Accepted
Abdul Wahed Kajabi 1, Karsten Knutsen2, Eisa Hedayati1, Collin Steinberger2, Abhinav Lamba2, Stefan Zbyn3, Asif Abul Hassan2, Hassan Ahad2, Luke Tollefson4, Takashi Takahashi5, Gregory J Metzger1, Rob LaPrade4, Jutta Ellermann1
1Center for Magnetic Resonance Research, Dept. of Radiology, University of Minnesota, Minneapolis, United States of America
2Center for Magnetic Resonance Research (CMRR), University of Minnesota, Minneapolis, United States of America
3Cleveland Clinic, Cleveland, United States of America
4Twin Cities Orthopedics, Edina, United States of America
5University of Minnesota, Minneapolis, United States of America
Presenting Author: Abdul Wahed Kajabi

Synopsis

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References

1. Kahat DH, Nouraee CM, Smith JS, Santiago CC, Floyd ER, Zbyn S, et al. The Relationship Between Medial Meniscal Extrusion and Outcome Measures for Knee Osteoarthritis: A Systematic Review. Orthop J Sports Med (2024). Aug;12(8):23259671241248457. Epub 20240809. https://doi.org/10.1177/23259671241248457 [doi]
2. Krych AJ, Lamba A, Wang AS, Boos AM, Camp CL, Levy BA, et al. Nonoperative Management of Degenerative Medial Meniscus Posterior Root Tears: Poor Outcomes at a Minimum 10-Year Follow-up. Am J Sports Med. 2023 Aug;51(10):2603-7. Epub 20230712. https://doi.org/10.1177/03635465231185132 [doi]
3. Langhans MT, Lamba A, Saris DBF, Smith P, Krych AJ. Meniscal Extrusion: Diagnosis, Etiology, and Treatment Options. Curr Rev Musculoskelet Med. 2023 Jul;16(7):316-27. Epub 20230516. https://doi.org/10.1007/s12178-023-09840-4 [doi]
4. Hanninen N, Rautiainen J, Rieppo L, Saarakkala S, Nissi MJ. Orientation anisotropy of quantitative MRI relaxation parameters in ordered tissue. Sci Rep. 2017 Aug 29;7(1):9606. Epub 20170829. https://doi.org/10.1038/s41598-017-10053-2 [doi]
5. Einarsson E, Svensson J, Folkesson E, Kestila I, Tjornstrand J, Peterson P, et al. Relating MR relaxation times of ex vivo meniscus to tissue degeneration through comparison with histopathology. Osteoarthr Cartil Open. 2020 Jun;2(2). Epub 2021/05/12. https://doi.org/10.1016/j.ocarto.2020.100061 [doi]
6. Olsson E, Folkesson E, Peterson P, Onnerfjord P, Tjornstrand J, Hughes HV, et al. Ultra-high field magnetic resonance imaging parameter mapping in the posterior horn of ex vivo human menisci. Osteoarthritis Cartilage. 2019 Mar;27(3):476-83. Epub 2018/12/16. https://doi.org/10.1016/j.joca.2018.12.003 [doi]
7. Williams A, Qian Y, Golla S, Chu CR. UTE-T2 * mapping detects sub-clinical meniscus injury after anterior cruciate ligament tear. Osteoarthritis Cartilage. 2012 Jun;20(6):486-94. Epub 20120118. https://doi.org/10.1016/j.joca.2012.01.009 [doi]

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http://echo.ismrm.org/p/ISMRM2026/407-04-002