title: Congenital tympanic ring defect presenting as an external auditory canal mass.
authors.affiliation: Department of Surgery, Division of Otolaryngology-Head and Neck Surgery, University of California, San Diego, CA, USA.
authors.forename: Amy P
authors.initials: AP
authors.lastname: Wu
authors.forename: Daniela
authors.initials: D
authors.lastname: Carvalho
mesh_terms: D002648:Child; D004424:Ear Canal; D006801:Humans; D008297:Male; D038781:Otoscopy; D014432:Tympanic Membrane / Q000002:abnormalities*