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Fibrous dysplasia (radiopacity)

Fibrous dysplasia (radiopacity)

  • Idiopathic replacement of bone with fibrous tissue.
  • It can affect just one bone (monostotic) or multiple bones (polyostotic). Jaw involvement is common (especially the maxilla).
  • Most common in adolescents and young adults.
  • Clinical signs and symptoms: Painless, slow and progressive enlargement of the affected bone.
  • Initially it appears as an ill-defined radiolucency then gradually fine trabeculae become evident to produce the typical “ground glass” or “orange peel” appearance.

Differential diagnosis


Fibrous dysplasia

Fibrous dysplasia

A case fibrous dysplasia. ground glass- or -orange peel- appearance.

A case of fibrous dysplasia in the upper jaw