Figure 4. (a) Lateral and (b) anteroposterior radiographs of the mid-tibia and distal tibia and fibula in an adult. A multilocular lesion occupies the medulla with mild cortical expansion. The surrounding bone is sclerotic, and a further lesion is seen in the distal fibula. Diagnosis: adamantinoma. The imaging appearances can be identical to those of osteofibrous dysplasia.