Fig. 10

Sagittal T1-weighted (a) and STIR (b) MR images demonstrating osteomyelitis of the posterior aspect of the calcaneus. Cortical erosion and loss of the normal T1 hypointense rim at the bone edge is seen on the T1 image. There is high STIR signal and corresponding low T1 signal of the posterior calcaneus representing bone oedema (red arrow) and overlying soft tissue inflammation is also seen