It is due to migration of ethmoidal air cells. Pneumatization of middle turbinate called concha bullosa is the commonest anomaly of paranasal sinuses (24 to 54% in various series). Usually drains through the frontal recess, has its own mucociliary transport mechanism, and occasionally in to middle meatus
When the ostium is blocked due to inflammation (usual), polyp/ surgery/RT/ and other causes, leads to accumulation of secretions called mucocele and when this gets infected --called pyocele. Usually in pyocele , Nasal septum is deviated to the other side. Case submitted by Dr MGK Murthy.
No comments:
Post a Comment