Sphenoid Sinus Mass  
Sphenoid Sinus Cyst 2

Sphenoid Sinus Cyst 2

Description : A perforation through the anterior wall of the sphenoid sinus has just been made and can be seen in the endoscopic screenshot.

The probe is once again inserted in the nose and placed on the anterior wall of the sphenoid sinus just inferior to the sphenoidotomy to confirm its position.

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