Atlas of Nose and Paranasal Surgeries

ATLAS OF NOSE AND PARANASAL SURGERIES 23 Authors: M. Trebbi, F. Mattioli, D. Soloperto, M. Bettini, L. Presutti Title: Endoscopic Dacryocystorhinostomy Book: Endoscopic Surgery of the Lacrimal Drainage System DOI: 10.1007/978-3-319-20633-2_6 © Springer International Publishing Switzerland 2016 c. Infiltration of the projection zone of the lacrimal area. The site of infiltration is localized to the nasal lateral wall, near the lacrimal area, anterior to the uncinate process. 6.5.4 Flaps Preparation To identify the lacrimal sac region, the most important structure is represented by the uncinate process, because just anterior to it there’s the pro- jection of the lacrimal sac. In our opinion the head of the middle turbinate, due to its great ana- Fig. 6.3 Infiltration of the projection zone of the lacrimal area (continued)... ...(continued) c