Key Points Epistaxis is a common otorhinolaryngologic complaint encountered by multiple medical disciplines and is the most common otorhinolaryngologic emergency. The vascular anatomy of the nose is extremely rich, with bilateral supply from both the external and internal carotid systems.…
Introduction Sinonasal malignancies are rare with annual incidence rates near 1 per 100,000 in most industrialized countries and represent fewer than 4% of neoplasms arising in the head and neck. , The most common malignant tumors of the anterior skull…
Introduction ▪ Dissection of the frontal recess is the most difficult of the basic endoscopic dissections. ▪ Care must be taken to preserve the mucosa surrounding the frontal recess. Stripping of mucosa can result in postoperative stenosis and neo-osteogenesis. ▪…
Introduction ▪ The terms partial and complete ethmoidectomy refer to the removal of the anterior and posterior ethmoids ( Figs. 7.1 and 7.2 , respectively). ▪ A partial ethmoidectomy is the removal of the ethmoid bulla and any cells against…
Introduction ▪ The maxillary antrostomy is the first step in performing functional endoscopic sinus surgery. ▪ Based on a good working knowledge of the anatomy and using proper visualization and mucosa-sparing techniques, a well-performed maxillary antrostomy will not only address…