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osteoma
benign tumor of the membranous bone (hamartoma)
- age: adult
- associated with Gardner syndrome
- location:
- inner/outer table of calvarium (usually outer)
- paranasal sinus (frontal, ethmoid)
- mandible
- nasal bones
- well circumscribed; round
- extremely dense and structureless
- usually < 2cm
Yong H. Hahn, MD - 2 February 1995
Last updated: 1 September 2006
Medical College of Wisconsin