Pathogenesis of otitis media: role of eustachian tube

From the Department of Otolaryngology, University of Pittsburgh School of Medicine, and the Department of Pediatric Otolaryngology, Children's Hospital of Pittsburgh, Pittsburgh, PA. CHIEF EDITORS' NOTE: Each year we publish four review articles for which a total of 4 AMA Category 2 hours can be credited as part of a physician's unsupervised learning activities. At the end of the article are four questions (with the answers provided) for your consideration. All record keeping for these credit hours is the responsibility of the physician. Do not send the answers to the journal office. Support for the CME Review Articles is provided by an educational grant from Roche Laboratories, Nutley, NJ. Accepted for publication Jan. 26, 1996. Address for reprints: Charles D. Bluestone, M.D., Children's Hospital of Pittsburgh, Department of Pediatric Otolaryngology, 3705 Fifth Avenue, Pittsburgh, PA 15213. Fax 412-692-6074.