Cancellous bone differences between knees with early, definite and advanced joint space loss; a comparative quantitative macroradiographic study Elizabeth.

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Presentation transcript:

Cancellous bone differences between knees with early, definite and advanced joint space loss; a comparative quantitative macroradiographic study Elizabeth A. Messent, Ph.D., Rupert J. Ward, Ph.D., Carol J. Tonkin, DCR(R), Christopher Buckland-Wright, D.Sc. Osteoarthritis and Cartilage Volume 13, Issue 1, Pages 39-47 (January 2005) DOI: 10.1016/j.joca.2004.10.009 Copyright © 2004 OsteoArthritis Research Society International Terms and Conditions

Fig. 1 Macroradiograph (4×) of a proximal right tibia showing placement of the medial (M) and lateral (L), subchondral (Sc) and subarticular (Sa) for FSA. Diameter of ball-bearing=5mm. Broken lines represent the inferior margin of the cortical plate. Osteoarthritis and Cartilage 2005 13, 39-47DOI: (10.1016/j.joca.2004.10.009) Copyright © 2004 OsteoArthritis Research Society International Terms and Conditions

Fig. 2 The mean difference in FD for vertical (i) and horizontal (ii) trabecular structures between OA groups (OA1 —, OA2 ––, OA3 –·–) and the non-OA group (NOA) in the medial subchondral (a) and subarticular (b) regions. Significant differences indicated at P<0.05 , P<0.01 ■, and P<0.001 □. Osteoarthritis and Cartilage 2005 13, 39-47DOI: (10.1016/j.joca.2004.10.009) Copyright © 2004 OsteoArthritis Research Society International Terms and Conditions

Fig. 3 The mean difference in FD for vertical (i) and horizontal (ii) trabecular structures between OA groups (OA1 —, OA2 ––, OA3–·–) and the non-OA group (NOA) in the lateral subchondral (a) and subarticular (b) regions. Significant differences indicated as described in Fig. 2. Osteoarthritis and Cartilage 2005 13, 39-47DOI: (10.1016/j.joca.2004.10.009) Copyright © 2004 OsteoArthritis Research Society International Terms and Conditions

Fig. 4 Macroradiographic (4×) image of a left proximal non-OA (a) and OA tibia (b). Subarticular osteoporosis, manifested as increased radiolucency, is visible in the lateral and particularly medial tibial compartments in (b). Diameter of ball-bearings=5mm. Osteoarthritis and Cartilage 2005 13, 39-47DOI: (10.1016/j.joca.2004.10.009) Copyright © 2004 OsteoArthritis Research Society International Terms and Conditions