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CASE REPORTS
JOURNAL ARTICLE
Pharyngeal diverticulum as a sequela of anterior cervical fusion.
American Journal of Otolaryngology 2006 July
A rarely diagnosed etiology of dysphagia is a pharyngeal diverticula occurring after anterior cervical fusion. Here we review 2 cases where patients developed pharyngeal diverticula following anterior cervical fusion. The first patient was a 28-year-old female who presented with regurgitation following C5 through C6 cervical fusion. She was diagnosed with a pharyngeal diverticulum and underwent open repair, but began to experience symptoms again a few months later. A barium swallow showed a recurrent pharyngeal diverticulum. Endoscopic repair was attempted; however, because of the thick scar band between the diverticulum and the esophagus, the operation had to be converted to an open repair with cricopharyngeal myotomy. The second case involved a 63-year-old male who presented with dysphagia and regurgitation 6 months after anterior cervical fusion. Esophagram demonstrated a small diverticulum at the right lateral border of the upper esophagus. Open repair of the diverticulum with cricopharyngeal myotomy was successfully performed. Pharyngeal diverticula after anterior cevical fusion have only been reported in 2 prior cases in the literature. Here we describe 2 additional cases at our institution, both requiring open repair. Radiographic studies demonstrate the diverticulum at the site of scarring from the cervical fusion. Because of the thick scar band and the atypical location of these diverticula, endoscopic repair with stapping (as done for Zenker's diverticula) may not be feasible. These cases highlight the importance of considering a diverticulum in the differential of posoperative patients presenting to the otolaryngologists with complaints of dysphagia following cevical spine surgery.
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