Ameloblastic fibro-odontoma (AFO) is a benign, slow growing, expansile epithelial odontogenic tumor with odontogenic mesenchyme. Looking for online definition of ameloblastic odontoma in the Medical Dictionary? ameloblastic odontoma explanation free. What is ameloblastic odontoma?. Riddett S.A.A Composite Odontome at a Very Early Age. Brit. Dent. J., 77 (), p. Google Scholar. 2. Kemper J.W., Root to-odontoma. Amer.

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Pathology Outlines – Odontoma

The fixation of the graft was done with Vicryl sutures to prevent any unnecessary hardware fixation or thermal injury to it. Our website uses cookies to enhance your experience. Helical computed tomography images showing an expansile, well-circumscribed lesion containing a calcified mass compatible with odontogenic tissue a axial odontoam b coronal cuts.

However, malignant transformation into ameloblastic fibrosarcoma was reported by Howell and Burkes.

The patient was kept under regular follow-up for 6 months and, to add to our delight, there were nosigns of graft failure or loco regional recurrence. This website is intended for pathologists and laboratory personnel, who understand that medical information is imperfect and must be interpreted using reasonable medical judgment. Sign in to download free article PDFs Sign in to access your subscriptions Sign in to your personal account.

It arises from an exuberant proliferation of the dental lamina or its remnants. To our surprise, the left mandibular molars were missing [ Figure 2 ]. Despite numerous efforts, however, there is still considerable confusion concerning the nature of these lesions [ 17 ].

International Journal of Dentistry

Microscopically, the lesion is composed of strands, cords, and islands of odontogenic epithelium embedded in a cell-rich primitive ectomesenchyme, resembling the dental papilla. Oral inspection revealed good oral hygiene.


This appearance suggests that the lesion is a complex odontoma. What syndrome is he likely to have?

Create a free personal account to download free article PDFs, sign up for alerts, customize your interests, and more. Subdivided into compound odontoma and complex odontoma The most common odontogenic tumor Can obstruct the path of erupting teeth Most recent WHO Classification of Head and Neck Tumours regards majority of ameloblastic fibro-odontomas as developing odontomas rather than a distinct tumor IARC: Images hosted on PathOut server: This is in contrast to the ameloblastoma.

Cahn LR, Blum T. In the present case, the patient presented to our department with previous examinations, including panoramic, helical and cone-beam computed tomography.

Create a free personal account to download free article PDFs, sign up for alerts, and more. Determination of a case-dependent treatment plan may provide an optimum outcome. Peutz-Jeghers maeloblastic is characterized by the development of noncancerous growths called hamartomatous polyps in the GI and an increased risk of developing certain types of cancer.

It exhibits histological features of ameloblastic fibroma and complex odontoma. Most common odontogenic tumor Usually diagnosed during the first two decades of life No sex predilection. An year-old girl presented to our department on referral from another dentist to have a second opinion about a lesion involving the left mandible.

Sign in to access your subscriptions Sign in to your personal account. There was buccal cortical expansion with an obliterated vestibular area. We present a case of an amwloblastic female with giant complex odontoma present in the body of the mandible leading to an impacted mandibular third molar. Am J Dis Child. Reconstruction of the mandibular defect was done with iliac crest graft. No evidence of malignancy is ameloblastuc.

The tumor was excised with 0. After reflection of the periosteal layer, the expanded buccal cortex was seen. In some studies, the term AFO represents a histological combination of ameloblastic fibroma and complex odontoma [ 1216 ].


Case Description An year-old girl presented to our department on referral from another dentist to have a second opinion about a lesion involving the left mandible. Subscribe to Table of Contents Alerts. The histogenesis of this lesion is controversial. Postoperative recovery was absolutely uneventful. This lesion usually occurs in people less than 20 years old, and age is thus an important characteristic in the differential diagnosis.

Hamner III and M.

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Declaration of patient consent The authors certify that they have obtained all appropriate patient consent forms. Orphanet J Rare Dis ;1: This lesion occupied a zone from the lower left second molar area to the left ramus.

Author information Copyright and License information Disclaimer. Compound odontoma Complex odontoma Ameloblastic fibro-odontoma Peripheral odontoma. Create a free personal account to make a comment, download free article PDFs, sign up for alerts and more. It is autosomal dominant and caused by STK11 mutations.

Orthopantomogram revealsa large, well-defined radiopaque lesion with focal radiolucent areas occupying the whole left body of the mandible. Considering the clinical and radiographic examinations, our presumptive diagnosis was complex odontoma. The final diagnosis was AFO. Preoperative photograph showing diffuse swelling over the left side of the lower face.

Our presumptive diagnosis was complex odontoma. View at Google Scholar D. Financial support and sponsorship Nil. Unknown; trauma, local infection, inheritance have been proposed.