Case of Desmoplastic Ameloblastoma Arising in the Anterior Maxilla
Ameloblastomas are well-known odontogenic
tumors that may be classified into several subtypes, including solid/ multicystic,
extraosseous/peripheral, desmoplastic, and unicystic types.
Desmoplastic
ameloblastoma (DA) was first described by Eversole et al. and is characterized
by the presence of scattered small islands and strands of epithelial cells, and
by cystic structures in a coarse, collagenrich fibrous stroma. DA is extremely
uncommon, accounting for only 4%–13% of all ameloblastomas . DA usually creates
a unicystic lesion. While other types of ameloblastoma occur predominantly in
the posterior mandible, the site of predilection for DA is the anterior maxilla
and mandible, especially the alveolar bone or dentulous areas.
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