Sphenoid sinus barotrauma after free diving.

We report 2 cases of a 29- and a 37-year-old male patient both having sphenoid sinus barotrauma associated with free diving at about 12-m depth. A unilateral occupation of the sphenoid sinus was revealed in both cases by computed tomography and magnetic resonance imaging examination of the paranasal sinuses.

Lidocaine spray vs tetracaine solution for transnasal fiber-optic laryngoscopy.

Statement Of Problem: The aim of this study was to evaluate the efficacy of lidocaine spray 10%, compared with tetracaine 2% solution, as a local anesthetic for patients undergoing transnasal fiber-optic laryngoscopy.

Method Of Study: A prospective study was conducted on patients undergoing transnasal fiber-optic laryngoscopy. Microsurgical sponges were applied in each side of the nose for 10 minutes before laryngoscopy.