Botulinum toxin injection for abductor spasmodic dysphonia under cervical ultrasonography guidance

Ultrasound (US) imaging effectively provides real-time anatomical information for clinical examinations. In otolaryngology, US imaging can visualize laryngeal muscles as well as cervical muscles. Here we present the case where US imaging was used while injecting botulinum toxin (BT) for the treatmen...

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Bibliographic Details
Published in:Auris, nasus, larynx nasus, larynx, 2024, Vol.51 (2), p.361-364
Main Authors: Kunieda, Chikako, Nin, Fumiaki, Ohashi, Toshimitsu, Hosokawa, Kiyohito, Watanabe, Yusuke, Ogawa, Takenori, Mori, Tomohiro, Kanazawa, Takeharu
Format: Report
Language:English
Online Access:Get full text
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Summary:Ultrasound (US) imaging effectively provides real-time anatomical information for clinical examinations. In otolaryngology, US imaging can visualize laryngeal muscles as well as cervical muscles. Here we present the case where US imaging was used while injecting botulinum toxin (BT) for the treatment of abductor spasmodic dysphonia, which provided definite results. We could visualize not only the injection pathway but also the infiltration of the BT solution into the posterior cricoarytenoid muscles. Therefore, our laryngeal US imaging is useful for both improving the success rate and avoiding injection complications of BT.
ISSN:1879-1476
DOI:10.1016/j.anl.2023.09.008