Extended endoscopic approaches in latin america: decision-making through real cases will be discussed.

The centripetal endoscopic sinus surgery is an ethmoidectomy technique described and invented by prof. Alexandre Felippu, in Brazil, in 1984. This technique is widely spreaded troughout the world since then as an excellent approach to the ethmoid sinus using very little material. Learn to perform a safe ethmoidectomy with excellent results watching real cases with pre and pos operative documentation.