Abstract
Adenomatoid odontogenic tumor (AOT) is a benign odontogenic tumor characterized by slow progressive growth that rarely may demonstrate calcifying epithelial odontogenic tumor (CEOT)−like areas. Young woman, 17, who was receiving orthodontic treatment, presented anterior mandibular cortical enlargement. Radiographs showed a unilocular radiolucency with radiopaque foci and a retained canine tooth that was displacing neighboring teeth. Surgical excision with canine extraction was performed. Histopathological analysis showed an odontogenic neoplasia of epithelial origin, with cuboidal cells forming rosette-like or pseudoductal structures, alongside areas of polyhedral cells with eosinophilic cytoplasm and calcified hyaline material. Congo red staining confirmed the diagnosis of AOT with CEOT-like areas. After 4 years of follow-up, the teeth were repositioned and bony trabeculae were normal, with no recurrence of the tumor. AOTs with CEOT-like areas should be treated as common AOTs because they carry the same prognosis. Orthodontic therapy may be an additional treatment when these tumors displace teeth.
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