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. 2017 Apr 17;10:1178623x17703382. doi: 10.1177/1178623x17703382

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© The Author(s) 2017

This article is distributed under the terms of the Creative Commons Attribution-NonCommercial 4.0 License (http://www.creativecommons.org/licenses/by-nc/4.0/) which permits non-commercial use, reproduction and distribution of the work without further permission provided the original work is attributed as specified on the SAGE and Open Access page(https://us.sagepub.com/en-us/nam/open-access-at-sage).

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Figure 4. — (A) Typical subchondral fracture in the load-bearing area of the medial tibial plateau. Edema (asterisk) extends into the subchondral cortical bone. This image further shows the subchondral fracture line (arrow) and medial meniscus extrusion (thick arrow). (B) and (C) Typical fatigue stress fracture. Notably, edema (asterisk) does not extend into the subchondral cortical bone (arrows) because the meniscus-cartilage-subchondral bone unit is preserved. The incomplete fracture line is better characterized on T1-weighted imaging (thick arrow).