Baseline radiographic osteoarthritis and semi-quantitatively assessed meniscal damage and extrusion and cartilage damage on MRI is related to quantitatively.

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Presentation transcript:

Baseline radiographic osteoarthritis and semi-quantitatively assessed meniscal damage and extrusion and cartilage damage on MRI is related to quantitatively defined cartilage thickness loss in knee osteoarthritis: the Multicenter Osteoarthritis Study A. Guermazi, F. Eckstein, D. Hayashi, F.W. Roemer, W. Wirth, T. Yang, J. Niu, L. Sharma, M.C. Nevitt, C.E. Lewis, J. Torner, D.T. Felson Osteoarthritis and Cartilage Volume 23, Issue 12, Pages 2191-2198 (December 2015) DOI: 10.1016/j.joca.2015.06.017 Copyright © 2015 Osteoarthritis Research Society International Terms and Conditions

Fig. 1 Flowchart summarizing the subject inclusion/exclusion process. Osteoarthritis and Cartilage 2015 23, 2191-2198DOI: (10.1016/j.joca.2015.06.017) Copyright © 2015 Osteoarthritis Research Society International Terms and Conditions

Fig. 2 Sagittal proton density-weighted fat suppressed MRI shows (a) a parrot-beak tear of the posterior horn of the medial meniscus reaching the inferior surface of the meniscus (arrow). This lesion would be scored as a grade 1 lesion in WORMS; (b) a non-displaced horizontal-oblique tear of the posterior horn of the medial meniscus reaching both, the superior and inferior surfaces of the meniscus (arrows). This tear type would be assessed as a grade 2 lesion in WORMS. Coronal STIR MRI shows (c) partial maceration (i.e., substance loss) of the meniscal body with an amputated triangular appearance (arrow). This finding represents a grade 3 lesion in the WORMS system; (d) complete maceration or substance loss of the lateral meniscal body. No meniscus is seen in the weight-bearing central subregions of the LFTC (arrows). This finding represents a grade 4 lesion in WORMS. Osteoarthritis and Cartilage 2015 23, 2191-2198DOI: (10.1016/j.joca.2015.06.017) Copyright © 2015 Osteoarthritis Research Society International Terms and Conditions