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Rev Stomatol Chir Maxillofac. 2011 Nov;112(5):269-79. doi: 10.1016/j.stomax.2011.05.004. Epub 2011 Jul 13.

[Ameloblastoma of the jaws. A retrospective analysis from 1994 to 2007].

[Article in French]

Author information

1
Service de stomatologie et de chirurgie maxillofaciale (Pr Bertrand), hôpital Pitié-Salpêtrière, assistance publique des Hôpitaux de Paris, université Pierre-et Marie-Curie-Paris-6, Paris, France. blandine.ruhin@psl.aphp.fr

Abstract

INTRODUCTION:

Ameloblastomas and keratocysts are the most frequent epithelial odontogenic tumors of the jaws. They have a high recurrence rate. This retrospective study reviews the features of ameloblastomas operated on in our unit from 1994 to 2007.

PATIENTS AND METHODS:

The studied parameters were sex, ethnic origin, age at diagnosis, clinical signs, radiographic presentation, site distribution, histological type, treatment, and follow-up records.

RESULTS:

One hundred and sixteen patients were included (with 239 surgical samples). The mean age was 36 years, with a majority of Europeans, 60% of multilocular radiolucent lesions with root resorption, mandibular location (93%). Twenty-one percent of the patients presented with an impacted tooth, the third molar in 79% of cases. Fifty percent of the lesions were from 5 to 13cm in length, 10% longer than 13cm. The most common histological type was follicular ameloblastoma. Patients were treated by enucleation in 82% of cases and radical mandibular resection with reconstruction in 11% of cases. The follow-up was documented for 96% of the patients with a 44% recurrence rate. Seventy-four percent of patients with a double recurrence presented with a "follicular" ameloblastoma.

DISCUSSION:

We prefer a well-performed enucleation which preserves surrounding bone. The high rate of follicular type recurrence should more systematically lead to a combined treatment: periostectomy and tooth extraction. Our data was compared with previously published large series.

PMID:
21742358
DOI:
10.1016/j.stomax.2011.05.004
[Indexed for MEDLINE]

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