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Arch Otolaryngol Head Neck Surg. 2005;131:79-80.

	Since this article does not have an abstract, we have provided the first 150 words of the full text and any section headings.

Diagnosis: A large unicystic ameloblastoma of mandible

Ameloblastoma is an uncommon neoplasm. It accounts for approximately 20% of all odontogenic tumors and represents only 1% of all tumors in the jaws. The mandible is the site of origin in 80% of cases.¹ Males and females are affected equally, usually in the third or fourth decade of life.² The tumor is thought to arise from residual epithelium of the tooth-forming apparatus, such as the epithelial cell rests of Malassez; epithelium of odontogenic cysts; basal cells of the surface epithelium; epithelium of the enamel organ; and heterotopic epithelium of extraoral sites, such as the pituitary gland.³

Ameloblastomas can be divided into the following 3 groups, according to variable clinicopathologic situations: solid or multicystic, unicystic, and peripheral (extraosseous).⁴ The treatment of ameloblastomas can be conservative or radical. Conservative treatment generally consists of curettage or enucleation, and radical treatment usually includes removal of the tumor in toto together with a margin . . . [Full Text of this Article]

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Arch Otolaryngol Head Neck Surg. 2005;131(1):76.
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