An 8-year-old boy was referred to the maxillofacial surgery department for the diagnosis of a mandibular mass. The patient was healthy and had no significant medical history or family history of the same symptom. Clinical examination revealed a 3cm painless round mass on the labial surface of the lower anterior teeth; there is teeth displacement due to continuous slow growth of the lesion leading to expansion of the cortical plate, resulting in painless firm swelling and facial asymmetry (panel A), fine needle aspiration cytology (FNAC) did not reveal fluid content (panel B). A CT scan shows the presence of a mixed image with the outer and inner cortices deformed and thinner, fine intralesional calcification on the wall, and impacted teeth (panelsC and D). Under general anesthesia, a mucoperiosteal flap was raised (panel E), the tumor was carefully excised with curettage, and extraction of the impacted tooth was performed. Separation of the lesion from the mandible did not pose any problems, and the postoperative course was uneventful (panel F). Adenomatous odontogenic tumors are rare tumors of epithelial origin, accounting for 3% of all odontogenic tumors that were first described by Steensland in 1905. It is a benign, painless, noninvasive, slow-growing lesion that is often misdiagnosed as an odontogenic cyst on clinical examination. It affects young people more often in women and usually surrounds the crown of an unerupted tooth. This lesion most commonly occurs in the anterior part of the upper jaw but rarely in the lower jaw. After 6 months of follow-up, complete healing with good function and excellent patient satisfaction.
Khalil et al. (Tue,) studied this question.
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