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ITALIAN JOURNAL OF MAXILLOFACIAL SURGERY

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Italian Journal of Maxillofacial Surgery 2006 April-December;17(1-3):71-4

language: English

Odontoameloblastoma. Case report and review of the literarure

Nastro Siniscalchi E. 1, Ferlito S. 2, Salomone E. 3, Catalfamo L. 4, Romano F. 1, De Ponte F. S. 1

1 Department of Maxillofacial Surgery University of Messina, Messina, Italy
2 Department of Odonstostomatological Pathology University of Catania, Catania, Itayl
3 Department of Pathology A.O.U. Vittorio Emanuele-Ferrarotto-Santo Bambino Catania, Italy
4 Department of Plastic Surgery University of Messina, Messina, Italy


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The odontoameloblastoma (OA), also known as ameloblastic odontoma, is a rare neoplasm of jaws which includes odontogenic ectomesenchyme in addition to odontogenic epithelium that resembles an ameloblastoma both in structure and in behaviour. The exact incidence is difficult to determine. Since 1944,only 24 cases have been reported in English literature which fulfill both istological and clinical features of this lesion. We report a case of OA of a 15 years boy and a review of the literature. A 15-year-old man was sent to our department for a painless intraoral swelling of the right maxilla.The patient referred the size of lesion had been gradually increasing for about ten months. He also didn’t report any traumatic events which could have previously interested facial structures.The intraoral inspection showed a swelling in the upper right quadrant from central incisor to the premolar region.The overlaying mucosa was normal in colour and texture. The panoramic X -ray revealed a large unilocular lesion spreading from the apex of the upper lateral right incisor, to the first premolar of the same side. The lesion contained several radiolucent bodies which simulated premature dental structures. A wide surgical excision of the neoplasm was performed. The surgical specimen showed no signs of malignancies, the neoplasm being encapsulated and well demarked by the near structures.The histological exam confirmed the diagnosis of Odontoamelo-blastoma. The patient was clinically and radiographically controlled every six months. Four years later, the clinical and radiological pattern shows no evidence of disease. This case confirms the validity of a conservative surgery with enucleation of OA, followed by periodical clinical and radiographical controls.

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