Fig. 2.

This 55-year-old male had resection of a large tumour of the dorsum of the foot without biopsy. The histological diagnosis was grade 2 chondrosarcoma. a) CT scan of the left foot before first surgery. b) MRI at time of local recurrence. c) Decision is made to perform a Pirogoff/Boyd amputation: drawing of the incision. d) Final appearance of the Pirogoff/boyd stump. e) CT scan showing arthrodesis of the calcaneus to the tibia after the amputation and resection of the talus.