title: [Multimodal diagnostic imaging in fistulas of the piriform sinus].
authors.affiliation: Varna/Bulgarien.
authors.forename: K
authors.initials: K
authors.lastname: Hristozov
authors.forename: B
authors.initials: B
authors.lastname: Balev
authors.forename: E
authors.initials: E
authors.lastname: Valcheva
authors.forename: P
authors.initials: P
authors.lastname: Nedev
mesh_terms: D000293:Adolescent; D000328:Adult; D001934:Branchial Region / Q000002:abnormalities* / Q000473:pathology; D002648:Child; D003937:Diagnosis, Differential; D003952:Diagnostic Imaging; D005260:Female; D005402:Fistula / Q000151:congenital* / Q000175:diagnosis; D006801:Humans; D008297:Male; D010608:Pharyngeal Diseases / Q000151:congenital* / Q000175:diagnosis; D010614:Pharynx / Q000473:pathology; D017703:Retropharyngeal Abscess / Q000175:diagnosis / Q000209:etiology; D013961:Thyroid Gland / Q000473:pathology; D013966:Thyroiditis / Q000175:diagnosis / Q000209:etiology