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Abstract
A 14-year-old male patient was referred for evaluation of an expansile, slow-growing asymptomatic swelling of unknown duration in the right posterior mandible, which caused facial asymmetry. A panoramic radiograph presented a well-defined radiolucency associated with the crown of an impacted lower second molar, containing small radiopaque foci. The lesion measured approximately 3 cm, causing cortical bone expansion, displacement of mandibular canal, and resorption of the distal root of the adjacent first molar. A panoramic radiograph performed 3 years earlier showed a 0.3 cm radiolucency pericoronal to the lower second molar, with radiographic diagnosis suggestive of hyperplastic pericoronal follicle. The patient underwent incisional biopsy, and the diagnosis of adenomatoid odontogenic tumor (AOT) was rendered out after microscopic identification of epithelial structures forming duct-like spaces and calcification. The present case illustrates a case of AOT in the posterior mandible and its radiographic progression throughout 3 years.
Published Version
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