title: [Ectopic parathyroid tissue in the piriform sinus].
authors.forename: R
authors.initials: R
authors.lastname: Kirn
authors.forename: A
authors.initials: A
authors.lastname: Fede
authors.forename: C
authors.initials: C
authors.lastname: Marchiori
mesh_terms: D002828:Choristoma / Q000473:pathology* / Q000601:surgery; D005260:Female; D006801:Humans; D008875:Middle Aged; D010280:Parathyroid Glands / Q000196:embryology; D010610:Pharyngeal Neoplasms / Q000473:pathology* / Q000601:surgery
vernacular_title: Paratiroide ectopica a livello di seno piriforme.