Figure 2: Prelacrimal approach: endoscopic view into the left maxillary sinus. The suction device points at the posterior wall of the maxillary sinus. 1 = nasolacrimal duct, 2 = anterior wall of the maxillary sinus, 3 = alveolar recess.
Figure 2: Prelacrimal approach: endoscopic view into the left maxillary sinus. The suction device points at the posterior wall of the maxillary sinus. 1 = nasolacrimal duct, 2 = anterior wall of the maxillary sinus, 3 = alveolar recess.