Osteoma CT

Osteoma Microchapters
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]Associate Editor(s)-in-Chief: Maria Fernanda Villarreal, M.D. [2]

Overview

On CT scan, osteomas demonstrate a well circumscribed mass of variable density, varying from very dense (similar in density to normal cortical bone) to less dense with a ground-glass appearance.

CT

CT scan findings include:

• Well-circumscribed mass of variable density
• Ground-glass appearance
• Exophytical mass growing out of a sinus.

Gallery

• 
  Axial CT scan of the temporal bones showing a left mastoid osteoma.
• 
  CT scan demonstrating a left frontal sinus osteoma
• 
  Large exophytic osteoma
• 
  Coronal view exophytic osteoma