Leontiasis ossea – a largely historical term used to describe a…

Photo credit: Vincenzo Gianferrari Pini License: This file is licensed under the Creative Commons “Attribution-ShareAlike 2.5 Italy”

Leontiasis ossea – a largely historical term used to describe a number of conditions which result in the affected patient’s face resembling that of a lion. Although it is most frequently the result of craniofacial fibrous dysplasia (as in this case), the term has a broader usage encompassing other expansile facial bone diseases such as Paget’s disease. 

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