Difference between revisions of "Cystic Sinus"
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| Line 12: | Line 12: | ||
[[Category:Paranasal Sinuses - Pathology]] | [[Category:Paranasal Sinuses - Pathology]] | ||
[[Category:Respiratory System - Developmental Pathology]] | [[Category:Respiratory System - Developmental Pathology]] | ||
| + | [[Category:Respiratory System - Hyperplastic/Neoplastic Pathology]] | ||
Latest revision as of 18:40, 17 February 2011
- Occurs in horses
- Usually originate in maxillary sinus
- Can extend to other sinuses
- Some have dentigerous origin
- Many are congenital
- Histology:
- Lined with pseudostratified epithelium overlying granulation tissue
- Haemorrhage under the epithelium
- Cyst walls contain bone spicules with osteoclastic and osteoblastic activity