Figure 5. (a) Neuropathic arthropathy with proven infection. Sagittal T1 weighted image demonstrating midfoot disorganization with talonavicular dislocation. There is loss of the normal fatty marrow signal, with very low signal foci (arrows) seen, indicating devitalized bony fragments. (b) Sagittal short tau inversion recovery (STIR) image demonstrating extensive bone marrow oedema and adjacent cellulitis.