title: Pathology quiz case 1. Acinic cell carcinoma of the parotid gland with ductal extension.
authors.affiliation: Harvard Medical School, Massachusetts Eye and Ear Infirmary, Boston, USA.
authors.forename: Ritvik P
authors.initials: RP
authors.lastname: Mehta
authors.forename: William C
authors.initials: WC
authors.lastname: Faquin
authors.forename: Daniel G
authors.initials: DG
authors.lastname: Deschler
mesh_terms: D000328:Adult; D018267:Carcinoma, Acinar Cell / Q000473:pathology*; D006801:Humans; D008297:Male; D009361:Neoplasm Invasiveness; D010307:Parotid Neoplasms / Q000473:pathology*; D018987:Salivary Ducts / Q000473:pathology*