A woman aged 31 had an ameloblastoma of the inferior part of the maxil
la treated by excision and a bone graft from the iliac crest. Nine yea
rs later she presented with a metastasis from the tumour at the donor
site. Metastases from an ameloblastoma are rarely encountered. In this
case there might have been contamination of the donor site by tumour
cells at the time of operation.