Collaborative Hypertext of Radiology

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 October 2013