title: Fourth branchial pouch sinus: a diagnostic challenge.
authors.affiliation: Department of Otorhinolaryngology, Head and Neck Surgery, Mayo Clinic, Rochester, Minn. 55905, USA.
authors.forename: T D
authors.initials: TD
authors.lastname: Link
authors.forename: U
authors.initials: U
authors.lastname: Bite
authors.forename: J L
authors.initials: JL
authors.lastname: Kasperbauer
authors.forename: S G
authors.initials: SG
authors.lastname: Harner
mesh_terms: D001934:Branchial Region / Q000002:abnormalities*; D001935:Branchioma / Q000151:congenital* / Q000175:diagnosis / Q000601:surgery; D002675:Child, Preschool; D006258:Head and Neck Neoplasms / Q000151:congenital* / Q000175:diagnosis / Q000601:surgery; D006801:Humans; D008297:Male