Features:

   •       Diffuse, poorly defined radiopacity with a “ground-glass” or “orange-peel” appearance

   •       Causes bony expansion and cortical thinning

   •       The overlying cortical plates are often intact but expanded

 

Demographics:

   •       Usually diagnosed in children and adolescents

   •       May be monostotic (involving one bone) or polyostotic (involving multiple bones)

 

Presentation:

   •       Painless swelling and facial asymmetry in the involved area

   •       Slow progression, often stabilizes after skeletal maturity

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