Arytenoid Dislocation: An Analysis of Past Literature

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  • Motohashi Ray
    Department of Otorhinolaryngology, Head and Neck Surgery, Tokyo Medical University
  • Hiramatsu Hiroyuki
    Hiramatsu ENT Clinic
  • Tokashiki Ryoji
    Department of Otorhinolaryngology, Head and Neck Surgery, Tokyo Medical University Shinjuku Voice Clinic
  • Sakurai Eriko
    Department of Otorhinolaryngology, Head and Neck Surgery, Tokyo Medical University
  • Saito Yu
    Department of Otorhinolaryngology, Head and Neck Surgery, Tokyo Medical University
  • Shoji Yusuke
    Department of Otorhinolaryngology, Head and Neck Surgery, Tokyo Medical University
  • Takano Ayumi
    Department of Otorhinolaryngology, Head and Neck Surgery, Tokyo Medical University
  • Tsukahara Kiyoaki
    Department of Otorhinolaryngology, Head and Neck Surgery, Tokyo Medical University

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Other Title
  • 披裂軟骨脱臼　過去の文献の解析
  • ヒレツナンコツ ダッキュウ カコ ノ ブンケン ノ カイセキ

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Abstract

<p>Arytenoid dislocation is one of the causes of unilateral vocal fold movement disorder, but its diagnosis is difficult. At our institution we diagnose based on laryngeal fiber findings and three-dimensional computed tomography (3DCT) during inspiration and phonation. Even in cases of suspected arytenoid dislocation with laryngeal fibers, there are actually very few arytenoid dislocation cases. For this report we collected literature on past arytenoid dislocation cases and examined whether the diagnosis of arytenoid dislocation is appropriate from laryngeal fiber findings or CT findings in the literature. Many cases could not be judged based on the information provided in the literature, but when considered based on the latest findings, many of the suspected arytenoid dislocation cases may have actually been vocal fold paralysis.</p>

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