Fig. 9From: The needle and the damage done: musculoskeletal and vascular complications associated with injected drug usePlain lateral radiograph (a) of the ankle demonstrating cortical erosion of the posterior aspect of the calcaneus with associated soft tissue swelling in keeping with acute osteomyelitis (red arrow). Radiograph of the lower leg (b) in an ex-intravenous drug user with a non-healing ulcer anterior to the tibia shows a chronic appearing periosteal reaction along the anterior tibial border compatible with chronic osteomyelitis (red arrow)Back to article page