Dr J. H. Naish, Ph. D. , Dr E. Xanthopoulos, Ph. D. , Dr C. E

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Presentation transcript:

MR measurement of articular cartilage thickness distribution in the hip Dr J.H. Naish, Ph.D., Dr E. Xanthopoulos, Ph.D., Dr C.E. Hutchinson, M.D., F.R.C.R., Dr J.C. Waterton, Ph.D., Prof C.J. Taylor, Ph.D. Osteoarthritis and Cartilage Volume 14, Issue 10, Pages 967-973 (October 2006) DOI: 10.1016/j.joca.2006.03.017 Copyright © 2006 OsteoArthritis Research Society International Terms and Conditions

Fig. 1 Corresponding oblique sagittal slices from 3D MR image sets of the right hip using (a) a fat-suppressed 3D gradient echo and (b) a T2-weighted 3D gradient-echo sequence. Osteoarthritis and Cartilage 2006 14, 967-973DOI: (10.1016/j.joca.2006.03.017) Copyright © 2006 OsteoArthritis Research Society International Terms and Conditions

Fig. 2 (a) A typical bone segmentation and (b) the results of a fit of a sphere-plus-cone model to the bone segmentation. Osteoarthritis and Cartilage 2006 14, 967-973DOI: (10.1016/j.joca.2006.03.017) Copyright © 2006 OsteoArthritis Research Society International Terms and Conditions

Fig. 3 (a) Medial view of an example cartilage thickness map for one of the subjects calculated from MR data taken post-weight-bearing, displayed in the normalised common reference frame. The colour scale is in millimetres. In (b), the map is shown superimposed onto the corresponding transformed bone segmentation as an aid to orientation. Osteoarthritis and Cartilage 2006 14, 967-973DOI: (10.1016/j.joca.2006.03.017) Copyright © 2006 OsteoArthritis Research Society International Terms and Conditions

Fig. 4 Population-averaged thickness maps for (a) post-weight-bearing and (b) post-resting, medial view, displayed in the normalised common reference frame. (c) Population-averaged thickness difference map (post-resting minus post-weight-bearing). Colour scales are in millimetres. Osteoarthritis and Cartilage 2006 14, 967-973DOI: (10.1016/j.joca.2006.03.017) Copyright © 2006 OsteoArthritis Research Society International Terms and Conditions

Fig. 5 Mean cartilage thickness values for each individual for post-weight-bearing (W) and post-resting (R) for each of the two visits. The different symbols indicate different individuals. Osteoarthritis and Cartilage 2006 14, 967-973DOI: (10.1016/j.joca.2006.03.017) Copyright © 2006 OsteoArthritis Research Society International Terms and Conditions