title: Radiology Quiz Case 1. Retropharyngeal abscess revealing a right fourth branchial pouch sinus.
authors.affiliation: Rouen University Hospital, Rouen, France.
authors.forename: Nicolas
authors.initials: N
authors.lastname: Bon-Mardion
authors.forename: Aurore
authors.initials: A
authors.lastname: Marcolla-Bouchetemble
authors.forename: Pierre
authors.initials: P
authors.lastname: Bouchetemble
authors.forename: Jean-Paul
authors.initials: JP
authors.lastname: Marie
authors.forename: Daniele
authors.initials: D
authors.lastname: Dehesdin
authors.forename: Olivier
authors.initials: O
authors.lastname: Choussy
mesh_terms: D001934:Branchial Region / Q000002:abnormalities* / Q000000981:diagnostic imaging / Q000601:surgery; D002675:Child, Preschool; D003287:Contrast Media; D003680:Deglutition Disorders / Q000175:diagnosis / Q000209:etiology; D005500:Follow-Up Studies; D006801:Humans; D008297:Male; D017703:Retropharyngeal Abscess / Q000000981:diagnostic imaging* / Q000601:surgery*; D014057:Tomography, X-Ray Computed / Q000379:methods; D016896:Treatment Outcome
chemical_list: D003287:Contrast Media