MRI Images on admission to Hospital. MRI images displaying ‘osteomyelitis with sequestration and erosion through the posterior cortex, extensively extending into the surrounding soft tissues’.‘A large complex loculated abscess, 10 cm × 8 × 8 cm, extending between the muscles and extended to the posterolateral aspect of the distal femur. A cloaca is present in the cortical bone on the posterior aspect of the distal femur.’