Magnetic resonance imaging (MRI)-defined cartilage degeneration and joint pain are associated with poor physical function in knee osteoarthritis – the.

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Magnetic resonance imaging (MRI)-defined cartilage degeneration and joint pain are associated with poor physical function in knee osteoarthritis – the Oulu Knee Osteoarthritis study P. Kaukinen, J. Podlipská, A. Guermazi, J. Niinimäki, P. Lehenkari, F.W. Roemer, M.T. Nieminen, J.M. Koski, S. Saarakkala, J.P.A. Arokoski Osteoarthritis and Cartilage Volume 25, Issue 11, Pages 1829-1840 (November 2017) DOI: 10.1016/j.joca.2017.07.002 Copyright © 2017 Osteoarthritis Research Society International Terms and Conditions

Fig. 1 Direct comparison between different sequences used in the current study. (A) Sagittal DESS image shows cystic portion of femoral and tibial bone marrow lesions (BML) and some ill-defined parts of BML in both, femur (arrows) and tibia (arrowheads). (B) Sagittal SPACE, a 3D T2-weighted FSE fat suppressed fast spin echo sequence, superiorly depicts ill-defined BMLs that are visualized in much larger fashion in femur (arrows) and tibia (arrowheads) compared to DESS. (C) Sagittal SPACE image in another patient shows a BML in the anterior medial tibia (arrows). No bone marrow changes are seen in the femur. (D) Corresponding sagittal DESS shows tibial BML to a much smaller extent compared to SPACE (long arrow). High intensity signal changes in the medial femur represent artifacts as a result of popliteal vessel pulsation and must not be mistaken as bone marrow lesions (small arrowheads). (E) Corresponding coronal T1 weighted image shows tibial BML as a circumscribed hypointensity (large arrowhead). No signal alterations are seen in the femur confirming that signal changes seen in D represent an artifact. Osteoarthritis and Cartilage 2017 25, 1829-1840DOI: (10.1016/j.joca.2017.07.002) Copyright © 2017 Osteoarthritis Research Society International Terms and Conditions