Fig. 1.
Representative radiograph and 18F-FDG PET/CT scan of left ankle and foot soft tissue involvement in a 39-year-old male. (A) Lateral plain radiograph showing soft tissue fullness above the calcaneus (green arrow) and osteosclerosis in the hindfoot (white arrow). (B, C) 18F-FDG PET/CT scan showing an avid soft tissue mass superior to the left calcaneus and along the Achilles tendon (white arrow). (D, E) 18F-FDG PET/CT scan showing increased uptake in the left abductor hallucis muscle (white arrow).