Difference between revisions of "Osteoma"
Jump to navigation
Jump to search
| Line 11: | Line 11: | ||
*Histologically: | *Histologically: | ||
**Covered with thin layer of bone | **Covered with thin layer of bone | ||
| − | **Consist of [[Bones - | + | **Consist of [[Bones - Anatomy & Physiology|cancellous bone]] |
| − | **Differentiated [[Bones - | + | **Differentiated [[Bones - Anatomy & Physiology|osteoblasts and osteoclasts]] |
*Cause disfigurement, may obstruct nasal passages | *Cause disfigurement, may obstruct nasal passages | ||
*Recur if not completely removed | *Recur if not completely removed | ||
Revision as of 17:39, 27 February 2011
Bones
- Benign neoplasm of bone
- Uncommon
- In horses and cattle
- Sites
- Flat bones (skull, scapula)
- Mainly affect jaws and sinuses
- Grossly:
- Smooth bordered, slow-growing tumours
- Histologically:
- Covered with thin layer of bone
- Consist of cancellous bone
- Differentiated osteoblasts and osteoclasts
- Cause disfigurement, may obstruct nasal passages
- Recur if not completely removed
Paranasal Sinuses
In Horses
- Haemartoma arising from periosteum of the skull or facial bones
- See Bones and Cartilage - hyperplastic and neoplastic
- Benign
- Clinical signs:
- Mucopurulent discharge
- Facial distortion
- Epiphora
- Obstructed air flow