Table 2.

Classification of Adamantinoma

Features	Classic	Differentiated
Age	More than 20 years, Adults	Less than 20 years, Children
Radiology	Soft tissue or intramedullary involvement regularly observed	Intra cortical location indistinguishable from OFD
Histopathology	Admixture of both epithelial and osteofibrous component, most commonly solid nests of basaloid cells	OFD like pattern lacks conspicuous nests and masses of epithelial cells. Scattered positivity of epithelial elements for cytokeratin
Behavior	Aggressive clinical course	Relatively benign