The association of prevalent medial meniscal pathology with cartilage loss in the medial tibiofemoral compartment over a 2-year period M.D. Crema, A.

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The association of prevalent medial meniscal pathology with cartilage loss in the medial tibiofemoral compartment over a 2-year period M.D. Crema, A. Guermazi, L. Li, M.H. Nogueira-Barbosa, M.D. Marra, F.W. Roemer, F. Eckstein, M.P. Hellio Le Graverand, B.T. Wyman, D.J. Hunter Osteoarthritis and Cartilage Volume 18, Issue 3, Pages 336-343 (March 2010) DOI: 10.1016/j.joca.2009.11.003 Copyright © 2009 Osteoarthritis Research Society International Terms and Conditions

Fig. 1 Sagittal T2-weighted fat-suppressed images. (A) Intrasubstance meniscal signal change not touching the articular surface, representing mucinous degeneration of the PH of the medial meniscus. (B) Typical horizontal tear of the PH of the medial meniscus, touching the tibial articular surface. Osteoarthritis and Cartilage 2010 18, 336-343DOI: (10.1016/j.joca.2009.11.003) Copyright © 2009 Osteoarthritis Research Society International Terms and Conditions

Fig. 2 Measurement of medial meniscal extrusion: the edge of the medial tibial plateau without osteophytes (note a tiny osteophyte excluded in this case) was the reference point for measures, using the image where the medial tibial spine volume was maximal. Osteoarthritis and Cartilage 2010 18, 336-343DOI: (10.1016/j.joca.2009.11.003) Copyright © 2009 Osteoarthritis Research Society International Terms and Conditions

Fig. 3 Cartilage segmentation with subregional division of the femur and tibia. Only the medial femur and tibia were considered in the analysis: central medial femur was divided into external region of central medial femur (ecMF), central region of central medial femur (ccMF), and internal region of central medial femur (icMF); medial tibia was divided into eMT, anterior medial tibia (aMT), cMT, internal medial tibia (iMT), and posterior medial tibia (pMT). Other regions considered were: cMF, MT, and combined medial femur and tibia (MTFC). Osteoarthritis and Cartilage 2010 18, 336-343DOI: (10.1016/j.joca.2009.11.003) Copyright © 2009 Osteoarthritis Research Society International Terms and Conditions