Odontogenic myxoma: a diagnosis to add to the list of facial tumours in infants.

The differential diagnosis of a midfacial mass in a child includes a great variety of tumours. Odontogenic myxoma is a benign tumour arising from the mesenchymal portion of the odontogenic apparatus that is usually seen in adolescents and adults.

[Adenoid cystic carcinoma of the head and neck: a review of 30 cases].

Objectives: To evaluate treatment results and identify prognostics factors which determine local and regional treatment failure and crude survival in adenoid cystic tumours (ACT) in the head and neck.

Methods: A retrospective study (1984 to 2001) of 30 cases of adenoid cystic tumour. The mean age was 56.