A peripheral primordial odontogenic tumor: Unique case report

Primordial odontogenic tumor (POT) has been reported only as an intraosseous lesion. Here, we describe the case of POT originating from the maxillary gingiva of a 3-year-old male infant. The patient was referred to our hospital with the chief complaint of a tumor of the right maxillary gingiva. On examination, a pedunculated tumor measuring 7 × 7 mm was observed on the right maxillary gingiva. Dental X-ray showed a lesion that exhibited mixed radiolucency with radiopacity in the maxilla next to the impacted second primary molar. The lesion was excised under general anesthesia. Histopathological examination of the lesion showed proliferation of dental papilla-like connective tissue and columnar ameloblast-like epithelium cells. Thus, we finally diagnosed the lesion as POT. The postoperative course was uneventful and there was no evidence of recurrence of the lesion 3 years after the operation.

Abstract licence: CC BY-NC

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