title: Fine-needle aspiration of a paraesophageal diverticulum masquerading as a thyroid nodule.
abstract: Fine-needle aspiration (FNA) is a widely utilized cost-effective method for the initial evaluation and triage of thyroid nodules. On occasion, a variety of non-thyroidal lesions can be mistaken for thyroid nodules on physical examination or in imaging studies and aspirated. Paraesophageal/ pharyngoesophageal diverticula masquerading as a thyroid nodule have been reported in the radiology literature but, as far as we know, not in the cytology literature. We describe FNA of a paraesophageal diverticulum that had been reported as a thyroid nodule on ultrasound. Cytologists should be familiar with this entity and suggest the diagnosis when appropriate.
authors.affiliation: Department of Pathology and Laboratory Medicine, Cedars-Sinai Medical Center, 8700 Beverly Boulevard, Los Angeles, CA 90048, USA. walts@cshs.org
authors.forename: Ann E
authors.initials: AE
authors.lastname: Walts
authors.forename: Glenn
authors.initials: G
authors.lastname: Braunstein
mesh_terms: D044963:Biopsy, Fine-Needle / Q000379:methods; D003937:Diagnosis, Differential; D004238:Diverticulitis / Q000175:diagnosis / Q000000981:diagnostic imaging / Q000473:pathology*; D005260:Female; D006801:Humans; D008875:Middle Aged; D016606:Thyroid Nodule / Q000175:diagnosis / Q000000981:diagnostic imaging / Q000473:pathology*; D014463:Ultrasonography; D016672:Zenker Diverticulum / Q000175:diagnosis / Q000000981:diagnostic imaging / Q000473:pathology*