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Transoral Removal of an Extruded Odontoid Screw Causing Dysphagia and Dysphonia.

Laryngoscope 2020 August 6
A 77-year-old male underwent open reduction and internal fixation with placement of odontoid screws after sustaining C1 arch and odontoid fractures in a fall 14 months prior to presentation to the laryngology clinic for combined surgery with orthopedics. Serial imaging after the initial surgery demonstrated loosening of a screw and its entry into the pharyngeal lumen. The patient reported odynophagia, dysphagia, and dysphonia. He reported taking small bites and using liquid assist, vocal fatigue, and difficulty with pitch control. A surgical screw entering the pharynx just inferior to the level of the tip of the epiglottis was seen on flexible laryngoscopy. On phonation, the screw made intermittent contact with the right arytenoid resulting in restriction of full abduction of the right vocal fold. On flexible endoscopic evaluation of swallowing, there was pharyngeal and vallecular residue, and residue around the screw itself. The patient was taken to the operating room with orthopedic surgery, the screw was visualized with a combination of mouth gag and endoscopes. It was gently rocked with an orthopedic screw grabber and tapped toward the caudal pharynx. After successful removal, the mucosal defect was sutured. The patient reported improvement in swallowing postoperatively. Dysphagia is a described sequela of cervical spine surgery. We describe the presentation and treatment of a patient with a history of cervical spine surgery and subsequent exposure of an orthopedic screw in the pharynx. Laryngoscope, 2020.

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