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ITALIAN JOURNAL OF MAXILLOFACIAL SURGERY
A Journal on Maxillofacial Surgery
Official Journal of the Italian Society of Maxillofacial Surgery
Rivista Italiana di Chirurgia Maxillo-Facciale 2002 August;13(2):123-8
Recurrence of ameloblastic lesions in iliac crest bone grafts. A case report
D’Agostino A., Pacino G. A., Trevisiol L., Buttura Da Prato E., Ferrari F.
Section of Maxillo-Facial Surgery and Odontostomatology Department of Biomedical and Morfological Sciences Hospital G. B. Rossi University of Verona, Verona
Ameloblastoma is an ectodermal odontogenic neoplasm that closely resembles the enamel organ of the developing tooth germ, supported by a fibrous tissue stroma. The therapeutic approach to ameloblastoma appears to be quite challenging, as no single factor exists providing firm evidence of its degree of local aggressiveness as is typical of any malignancy. Recurrences of ameloblastic lesions are attributable to a combination of inadequate surgical treatment and the aggressiveness of the tumours. Similar considerations can be applied to cases of ameloblastoma involving autogenous bone grafts. Recurrences of ameloblastic lesions in bone grafts are rare; these lesions must be considered dangerous because they can lead to failure of the bone graft. A case of recurrent ameloblastic lesion in bone grafts utilized in reconstructive procedures is presented. Histologically clear cell differentiation and cytologic evidence of malignancy was found in the relapses.