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== Introduction ==

== Introduction ==

Maxillary sinus cysts occur in horses. They originate in the maxillary sinus but can extend into all sinuses if not treated. Most are congenital.

Maxillary sinus cysts occur in horses. They originate in the maxillary sinus but can extend into all sinuses if not treated. Most are congenital.

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[[Category:Nasal_Cavity_-_Developmental_Pathology]][[Category:Respiratory_System_-_Developmental_Pathology]]

[[Category:Nasal_Cavity_-_Developmental_Pathology]][[Category:Respiratory_System_-_Developmental_Pathology]]

[[Category:Respiratory Diseases - Horse]][[Category:Expert_Review - Horse]]

[[Category:Respiratory Diseases - Horse]][[Category:Expert_Review - Horse]]