{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,30]],"date-time":"2026-04-30T15:16:55Z","timestamp":1777562215600,"version":"3.51.4"},"reference-count":21,"publisher":"SAGE Publications","issue":"11","license":[{"start":{"date-parts":[[2010,11,1]],"date-time":"2010-11-01T00:00:00Z","timestamp":1288569600000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Ear Nose Throat J"],"published-print":{"date-parts":[[2010,11]]},"abstract":"<jats:p>Pharyngoesophageal diverticulum is a rare complication following anterior cervical discectomy and fusion (ACDF). Dysphagia is a well-documented complication associated with ACDF. It may result postoperatively from a variety of etiologies, including hardware displacement, pharyngeal edema, or vocal fold paresis. One rare cause of persistent dysphagia is the formation of a hypopharyngeal diverticulum, reported in the literature in 9 previous cases. Such diverticula after ACDF surgery may have pathogenesis that is distinct from that of typical Zenker diverticula. We report 3 new cases of hypopharyngeal diverticula in patients who underwent revision ACDFs. Variables assessed included age, sex, level of fusion, ACDF-related complications, and diverticulum management. Two patients underwent successful open surgical diverticulectomy and cricopharyngeal myotomy. In the third case, the patient had a small diverticulum close to the surgical hardware and minimal symptoms and was managed conservatively. Our cases, combined with the 9 previous cases, demonstrate commonalities, particularly with regard to the risk of revision spinal surgery and infection and subsequent hypopharyngeal diverticula development. Hypopharyngeal diverticulum can occur as a complication of ACDF and should be considered in patients with persistent dysphagia after surgery. In this patient population, open resection and cricopharyngeal myotomy are recommended.<\/jats:p>","DOI":"10.1177\/014556131008901102","type":"journal-article","created":{"date-parts":[[2019,1,9]],"date-time":"2019-01-09T15:06:07Z","timestamp":1547046367000},"page":"E4-E9","source":"Crossref","is-referenced-by-count":19,"title":["Hypopharyngeal Diverticulum Formation following Anterior Discectomy and Fusion: Case Series"],"prefix":"10.1177","volume":"89","author":[{"given":"Terah J.","family":"Allis","sequence":"first","affiliation":[{"name":"From the Department of Otolaryngology\u2013Head and Neck Surgery, Georgetown University Medical Center, Washington, DC."}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Nazaneen N.","family":"Grant","sequence":"additional","affiliation":[{"name":"From the Department of Otolaryngology\u2013Head and Neck Surgery, Georgetown University Medical Center, Washington, DC."}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Bruce J.","family":"Davidson","sequence":"additional","affiliation":[{"name":"From the Department of Otolaryngology\u2013Head and Neck Surgery, Georgetown University Medical Center, Washington, DC."}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"179","published-online":{"date-parts":[[2010,11,1]]},"reference":[{"key":"bibr1-014556131008901102","first-page":"1","volume-title":"Handbuch der Speciellen: Pathologie und Therapie. 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