Abstract
Patient. This report describes a patient with a primary long bone adamantinoma. The lesion was
initially wrongly diagnosed as fibrous dysplasia and the patient was treated by curettage. At second local recurrence, the tumour
had progressed from an osteofibrous dysplasia-like to a full-blown classic adamantinoma, with metastatic potential to the lungs
19 years after the initial treatment. Lung metastasectomy by sternotomy was carried out twice in a period of over