title: Sonographic demonstration of a pharyngoesophageal diverticulum.
abstract: We report a case of pharyngoesophageal (Zenker's) diverticulum in a 91-year-old woman. Sonography of the thyroid gland showed diffuse enlargement of the gland and a well-defined, heterogeneous hyperechoic mass that appeared to be in the posterior left lobe. The mass had a smooth hypoechoic wall with a layered appearance anteriorly. Real-time sonography performed during the patient's ingestion of water showed transient changes in the size, margins, and echogenicity of the lesion, which subsequently reverted to its original appearance.
authors.affiliation: Department of Radiology, Derriford Hospital, Derriford Road, Plymouth PL6 8DH, United Kingdom.
authors.forename: D E
authors.initials: DE
authors.lastname: DeFriend
authors.forename: P A
authors.initials: PA
authors.lastname: Dubbins
mesh_terms: D000368:Aged; D000369:Aged, 80 and over; D003679:Deglutition / Q000502:physiology; D003937:Diagnosis, Differential; D005260:Female; D005764:Gastroesophageal Reflux / Q000503:physiopathology; D006111:Graves Disease / Q000150:complications; D006801:Humans; D013961:Thyroid Gland / Q000000981:diagnostic imaging; D014463:Ultrasonography; D016672:Zenker Diverticulum / Q000000981:diagnostic imaging* / Q000503:physiopathology