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. 2022 Mar 18;41(11):2867–2875. doi: 10.1002/jum.15975

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© 2022 The Authors. Journal of Ultrasound in Medicine published by Wiley Periodicals LLC on behalf of American Institute of Ultrasound in Medicine.

This is an open access article under the terms of the http://creativecommons.org/licenses/by-nc-nd/4.0/ License, which permits use and distribution in any medium, provided the original work is properly cited, the use is non‐commercial and no modifications or adaptations are made.

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Left knee of a 65‐year‐old male showing the medial meniscus (arrowhead) on (A) coronal PDW fat‐saturated at the level of the medial collateral ligament (arrows) without extrusion. Sagittal PDW magnetic resonance (MR) imaging (B) shows a mucoid degeneration (dashed arrow) of the posterior horn of the medial meniscus. Supine relaxed ultrasound (C) of the medial meniscus (arrowheads) at the level of the medial collateral ligament shows no extrusion. However, supine stressed ultrasound (D) and especially weight‐bearing ultrasound (E) shows a mild meniscal extrusion. F, femur; T, tibia.