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| + | ==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 [[Bones - normal#Bone organisation|cancellous bone]] |
| + | **Differentiated [[Bones - normal#Normal structure|osteoblasts and osteoclasts]] |
| + | *Cause disfigurement, may obstruct nasal passages |
| + | *Recur if not completely removed |
| + | |
| + | |
| ==Paranasal Sinuses== | | ==Paranasal Sinuses== |
| ===In Horses=== | | ===In Horses=== |