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Figure 1. (a) Chronic neuroarthropathy. Sagittal T1 weighted image demonstrating a "Rocker-bottom" appearance of the foot in a patient with diabetic neuroarthropathy. There is induration of the subcutaneous tissues at the site of a chronic healing ulcer (arrowheads). There is midfoot joint disruption and disorganization (arrow). (b) Sagittal short tau inversion recovery (STIR) image demonstrating preservation of the marrow signal despite the joint disorganization indicating a chronic neuroarthopathy.