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. 2014 Sep;22(9):1310–1317. doi: 10.1016/j.joca.2014.06.037

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© 2014 The Authors

This work is licensed under a Creative Commons Attribution 3.0 Unported License.

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Fig. 5 — MRI observable pathology at the PCL-SEC in OAI participants and non-arthritic cadaveric tissue. (A) Sagittal 2D IW TSE FS image showing BMLs (arrow) and intraosseous cyst (arrowhead) observed in the regions adjacent and immediately anterior to the PCL insertion in a patient from the progression cohort of the OAI. BMLs were more frequently observed in the region immediately anterior to the PCL insertion. (B) Sagittal 2D IW TSE FS image showing intraosseous cysts observed in the same locations in cadaveric tissue and high signal in the fat posterior to the PCL compatible with joint effusion (arrow). Coronal T1W 3D FLASH images showing osteophyte formation (arrows) observed lateral to the PCL tibial insertion in OAI patient (C) and cadaveric tissue (D). (E) Sagittal 2D IW TSE FS image showing normal SEC cartilage (arrow) seen immediately anterior to the PCL tibial insertion in a patient form the OAI cohort. (F) Sagittal 2D IW TSE FS image showing high signal compatible with posterior recess joint effusion (arrows) which was found to be associated with abnormality in the SEC cartilage (asterisk).