Because the most frequent local cause of chronic sinusitis is osteomeatal disease and because the extent of the underlying osteomeatal pathology may be limited and easily treated, nasal endoscopy ...

3). Rigid rhinoscopes are preferred by some otolaryngologists, and are routinely used for endoscopic surgery. Flexible fiberoptic rhinoscopy may be used to demonstrate nasal polyps , septal spurs ...

Dr L Lundell, Department of Surgery, Sahlgrenska University Hospital, S-413 45 Göteborg, Sweden. BACKGROUND Endoscopic oesophageal changes are diagnostically helpful and identify patients exposed to ...