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Arytenoid Cartilage Dislocation: A 20-year Experience |
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| Authors: | Adam D Rubin Mary J Hawkshaw Cheryl A Moyer Carole M Dean Robert T Sataloff |
| Institution: | *From the Lakeshore Professional Voice Center, Lakeshore Ear, Nose, & Throat Center, St. Clair Shores, MI ?American Institute for Voice and Ear Research, Philadelphia, PA ?Global REACH, University of Michigan School of Medicine ║The Voice Institute, Atlanta, GA ¶Department of Otolaryngology-Head and Neck Surgery, Thomas Jefferson University, Philadelphia, PA |
| Abstract: | SUMMARY: Arytenoid cartilage dislocation is an infrequently diagnosed cause of vocal fold immobility. Seventy-four cases have been reported in the literature to date. Intubation is the most common origin, followed by external laryngeal trauma. Decreased volume and breathiness are the most common presenting symptoms. We report on 63 patients with arytenoid cartilage dislocation treated by the senior author (RTS) since 1983. Significantly more posterior than anterior dislocations were represented. Although reestablishing joint mobility is difficult, endoscopic reduction should be considered to align the heights of the vocal processes. This process may result in significant voice improvement even long after the dislocation. Strobovideolaryngoscopy, laryngeal electromyography, and laryngeal computed tomography (CT) imaging are helpful in the evaluation of patients with vocal fold immobility to help distinguish arytenoid cartilage dislocation from vocal fold paralysis. Familiarity with signs and symptoms of arytenoid cartilage dislocation and current treatment techniques improves the chances for optimal therapeutic results. |
| Keywords: | Arytenoid dislocation Arytenoid subluxation Vocal fold hypomobility Vocal fold immobility Vocal fold paralysis Hoarseness Laryngeal electromyography Laryngeal CT Intubation Intubation trauma Laryngeal trauma Videostroboscopy |
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