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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. Usually they are seen in the 4th to 6th decades. They are rare tumours (see mandibular lesions)


Half are associated with an unerrupted / 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 : although radiodensities tend to be clustered around a tooth (if present). 

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.


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

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