Changes

==Introduction==  

==Introduction==  

The lesions appear as masses that are friable and ulcerated. Many amyloid-producing odontogenic tumours are [[Neoplasia - Pathology#Nomenclature|melanotic]] which makes them difficult to distinguish from the more aggressive malignant [[Melanoma|melanoma]]. They can erode but not infiltrate adjacent bone. The most prominent feature of this type of tumour is that it produces amyloid which tends to calcify.

The lesions are slow growing and locally invasive.The most prominent feature of this type of tumour is that it produces amyloid which tends to calcify.

==Typical Signalment==

==Typical Signalment==