Ameloblastic fibro-odontoma (AFO) is a rare mixed odontogenic tumor. It occurs predominantly in children and young adults with no sex predilection, mostly in. Background: Odontogenic tumors such as ameloblastic fibro-odontoma (AFO) are rare conditions in children and are often asymptomatic. Ameloblastic fibro-odontoma (AFO) is a benign, slow growing, expansile epithelial odontogenic tumor with odontogenic mesenchyme.

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Report of seven cases. Advanced Search Users Online: The ameloblastic fibro-odontoma — An odontogenic mixed tumor progressing into an odontogenic sarcoma.

Light microscopic examination of sections stained with hematoxylin and eosin revealed strands and islands of odontogenic epithelium showing peripheral palisading and loosely arranged central cells, identical to stellate reticulum, embedded in a myxoid cell-rich stroma resembling the dental papilla Figure 4. The treatment of ameloblastic fibro-odontomas usually consists of enucleation ameloblwstic surgical curettage, which is possible due to their benign biological behaviour.

Odontma information Article notes Copyright and License information Disclaimer. The lesions are usually diagnosed during the first and second decades of life [ 4 — 6 ].

How to cite this URL: Report of a case, with ultrastructural study. In this case, a residual tumor due to inadequate surgical removal at the time of initial treatment was implicated as the causative factor. Management of ameloblastic fibro-odontoma in a 6-year-old girl preserving the associated impacted permanent tooth.


None, Conflict of Interest: The histopathologic examination of the soft tissue revealed numerous cords and follicles of odontogenic epithelium exhibiting peripheral ameloblast-like cells within primitive ectomesenchymal tissue Fig.

Recurrence of an ameloblastic fibro-odontoma in a 9-year-old boy.

An unusual size of ameloblastic fibro-odontoma. Other recurrences were reported by Pindborg et al. Ameloblastic fibrodentinoma and ameloblastic fibro-odontoma: Open in a separate window.

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Recurrent Ameloblastic Fibro-Odontoma in a Year-old boy. Head Neck Pathol ;7: Please odontoms our privacy policy. However, the concept that these lesions represent a continuum of differentiation is not widely accepted, with other researchers suggesting that they are separate pathologic entities [ 12 — 15 ].

The possibility of a mixed rare tumour should be kept in mind by the clinician where they deal with the swellings of posterior maxilla in children. J Oral Pathol Med ; Helical computed finro images showing an expansile, well-circumscribed lesion containing a calcified mass compatible with odontogenic tissue a axial cuts; b coronal cuts.

According to the revised WHO1 classification, it is a benign tumor without invasive growth; this is in contrast to the ameloblastoma. Conflict of interest None declared. This lesion is usually found in the molar area [ 612 ], and the distribution is roughly equal between the maxilla and mandible [ 612 ].


Ameloblastic fibro-odontoma | Radiology Reference Article |

Joral Maxillofac Surg ; Recurrence of an ameloblastic fibro-odontoma in a 9-year-old boy. Discussion Ameloblastic fibro-odontoma AFO is an uncommon mixed odontogenic tumour. Olech E, Alvares O. Ameliblastic and enamel were also present Figure 5. In some studies, the term AFO represents a histological combination of ameloblastic fibroma and complex odontoma [ 1216 ].

Well-circumscribed mixed-density lesion coronal to an unerupted permanent tooth. The ameloblastic fibro-odontoma AFO is a rare benign odontogenic lesion defined as a tumour with the general features of ameloblastic fibroma but that also contains enamel and dentine.

A trapezoidal flap was elevated and a thin bone covering the surface of the lesion was removed Fig. Pediatr Blood Cancer ; A year-old girl was referred to oral and maxillofacial surgery department with an incidental radiological finding of radiopaque mass in the posterior region of maxilla.