Fibroma
Revision as of 12:33, 3 March 2011 by Bara (talk | contribs) (Created page with "===Ossifying fibroma=== *Rare *Of heads of horses and cattle *Grossly: **Sharply demarcated expansive mass **Distort normal bone contour *Histologically: **Dense fibrous tissue ...")
Ossifying fibroma
- Rare
- Of heads of horses and cattle
- Grossly:
- Sharply demarcated expansive mass
- Distort normal bone contour
- Histologically:
- Dense fibrous tissue
- Bone spikules of woven bone covered by osteoblasts
- In later stages resembles osteoma
- Malignant transformation has not been reported