Ameloblastic fibroma
(Redirected from Ameloblastic fibrosarcoma)
A rare benign odontogenic tumor
Ameloblastic Fibroma[edit | edit source]
Ameloblastic fibroma is a rare, benign odontogenic tumor that arises from the odontogenic epithelium and the mesenchymal tissue of the tooth germ. It is characterized by the proliferation of both epithelial and mesenchymal components, which distinguishes it from other odontogenic tumors.
Clinical Presentation[edit | edit source]
Ameloblastic fibromas typically present as a painless swelling in the jaw, often discovered incidentally on radiographs. They are most commonly found in the posterior region of the mandible, although they can also occur in the maxilla. The condition is more prevalent in children and young adults, with a slight male predominance.
Radiographic Features[edit | edit source]
On radiographic examination, ameloblastic fibromas appear as well-defined radiolucent lesions. They may be unilocular or multilocular, and the borders are often corticated. The lesion can cause displacement of adjacent teeth and may be associated with an unerupted tooth.
Histopathology[edit | edit source]
Histologically, ameloblastic fibromas consist of strands and islands of odontogenic epithelium resembling the ameloblastoma, set within a cellular mesenchymal stroma that resembles the dental papilla. The epithelial component may form structures similar to the enamel organ, but without enamel formation.
Treatment[edit | edit source]
The treatment of choice for ameloblastic fibroma is surgical excision. Due to the potential for recurrence, complete removal with a margin of healthy tissue is recommended. In some cases, more aggressive surgical approaches may be necessary to prevent recurrence.
Prognosis[edit | edit source]
The prognosis for ameloblastic fibroma is generally good, with a low rate of malignant transformation. However, there is a risk of recurrence if the lesion is not completely excised. Long-term follow-up is advised to monitor for any signs of recurrence or malignant transformation into an ameloblastic fibrosarcoma.
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