Adenomatoid odontogenic tumor - Highlights
Adenomatoid odontogenic tumor (AOT) is a benign tumor of odontogenic origin thought to arise from the remnants of dental lamina.
📝Here are some "Highlights" or a high level overview of Adenomatoid odontogenic tumor
It is reported that 74% of the AOT cases occur in the anterior jaws and are associated with an unerupted tooth.
It is also reported that 2/3rds of affected teeth in AOT cases are canines (maxillary or mandibular). However it is known to be more commonly associated with the maxillary canine than its mandibular counterpart.
AOT is called “two-thirds tumor”.
AOTs usually appear as a pericoronal radiolucency around the crown of an unerupted tooth (follicular type).
In radiographs, follicular type AOT mimics dentigerous cyst, but the radiolucency usually extends a little bit further onto the root of the unerupted tooth (unlike dentigerous cyst in which radiolucency extends upto CEJ).
Two-thirds of the radiolucencies, both follicular and extra-follicular types may have radiopaque flecks of calcified tissue.
Histologically, characteristic duct-like and rosette like structures are present in the midst of the tumor cells.
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