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. Author manuscript; available in PMC: 2010 Jul 14.
Published in final edited form as: Orthop Res Rev. 2009 Nov;2009(1):23–29. doi: 10.2147/orr.s7387

Figure 2.

Figure 2

Sagittal views of representative double-contrast MDCTs are shown. In the top row, cartilage thinning is apparent between (A) early and (B) later scans, particularly in the central region. The middle row illustrates a case that preserved its cartilage between time points (C:4months, and D:24months). Image (E) illustrates a joint with severe thinning and exposed bone near a step-off (arrow). The CT slice in (F) is an example of a failed study. Note the pooling of contrast in the anterior region (left side of image).