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Calcifying epithelial odontogenic tumour

Calcifying epithelial odontogenic tumour, also known as a Pindborg tumour, is typically located in the premolar and molar region of the mandible, although up to a third are found in the maxilla.

Epidemiology

Usually they are seen in the 4th to 6th decades. They are rare tumours.

Pathology

Associations

Half are associated with an unerupted/impacted tooth.

Radiographic features

They are usually radiolucent with scattered areas of calcification, although this can vary from completely radiolucent (seen early on) to more uniformly dense. If present, radiodensities tend to be clustered around a tooth. 

The margins a variable in appearance, either well defined or indistinct. They can be uni- or multiloculated, and are difficult to distinguish from an ameloblastoma.

Historical context

Named after Jens Jørgen Pindborg, Danish oral pathologist (1921-1995).

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