• Benign tumours composed of mature compact or cancellous bone
• Those arising on the surface of bone = Periosteal osteoma
• Those arising within bone = Endosteal osteoma

Clinical: Slow progressive enlargement of the affected area.

Histology:

• Compact type with normal appearing bone tissue – minimal bone marrow
• Cancellous type with trabeculae of bone and fibro – fatty marrow

Radiology: Circumscribed sclerotic mass

Management: Surgical enucleation

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