Nasal sinus endoscopy with maxillary antrostomy and extraction of maxillary sinus tissue

The endoscopic is an examination to detect problems in the sinus, maxillary antrostomy is the opening of the maxillary sinuses through an incision made under the upper lip, in the gum, reaching the breast through a small window, open in the bone itself and the maxillary sinus is one of the cavities that make up the paranasal sinuses in the face, of them is the largest cavity and is pyramidal.