This issue of Otolaryngologic Clinics of North America, devoted to Endoscopic Ear and Eustachian Tube Surgery, is guest edited by Drs. Joao Flavio Nogueira and Muaaz Tarabichi. Articles in this outstanding issue include: Anatomy of the Eustachian Tube; Physiology of the Eustachian Tube; Eustachian Tube Function and Testing; Radiology of the Eustachian Tube; Middle Ear and Eustachian Tube Dysfunction; Endoscopic Eustachian Tube Transnasal Surgery; Endoscopic Anatomy of the Protympanic Space; Outcomes Following Endoscopic Ear Surgery; Endoscopic Management of Superior Semicircular Canal Dehiscence; Endoscopic Management of Tumors in Middle Ear and Mastoid; Outcomes Following Endoscopic Stapes Surgery; Transtympanic Balloon Dilation of the Eustachian Tube; Selective Dysventilation Syndrome; Restoring Petrous Bone Ventilation; and Endoscopic Techniques in Tympanoplasty.

The subject of Endoscopic Ear Surgery is a cutting edge subject and this is one of the first practical guides on this subject. Presented here in Otolaryngologic Clinics are topics on Endoscopic Anatomy, Ventilation Routes, as well as the Endoscopic Management of Cholesteatomas, Neuromas and Inner ear surgery, Endoscopic Ear Surgery for Tympanic Perforations, for Otosclerosis, for Cochlear Implants, each topic discussing the current indications, advantages, disadvantages, instruments needed, surgical technique, and complications. The Editors take part in the International Working Group on Endoscopic Ear Surgery and bring to the Otolaryngologic Clinics the most practical and recent information for surgeons from their scientific and clinical presentations at ENT academy meetings in the United States and around the globe.