[Painful submandibular swelling appears to be a rare odontogenic tumour]

A 15-year-old girl was referred to an oral and maxillofacial surgeon due to a painful submandibular swelling that had been present for 4 to 5 months. After surgical excision and histopathological examination it appeared to be a relatively rare adenomatoid odontogenic tumour. Approximately 4.6% of all odontogenic tumours are adenomatoid odontogenic tumours. This type of tumour is mainly diagnosed between the ages of 10 and 30. Surgical excision is an effective treatment and the adenomatoid odontogenic tumour has a favourable prognosis. The most recent article in Dutch literature on the adenomatoid odontogenic tumour dates back to 1975.