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1 results

  • High-resolution ultrasound localisation of spasmodic pharyngo-oesophageal segment post total laryngectomy: technical report

  • Karthika Chettuvatti, Smriti Panda, Alok Thakar, Sanjay Kumar Meena
  • Journal:
    The Journal of Laryngology & Otology / Volume 140 / Issue 4 / April 2026
    Published online by Cambridge University Press:
    05 December 2025, pp. 451-454
    Print publication:
    April 2026
    • Article
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  • Objectives

    Pharyngo-oesophageal spasm is a common reason behind the failure of tracheo-oesophageal voice production. This study aims to describe the feasibility of high-resolution ultrasound for localisation of the spasmodic segment for botulinum toxin injection.

    Methods

    The pharyngo-oesophageal segment was localised using a 6–13 Hz linear probe. It was visualised as a concentric muscular area between the great vessels of the neck. The spasmodic segment was identified as the narrowest region when the patient was asked to attempt phonation and swallow.

    Results

    This technique was utilised in one patient who had pharyngo-oesophageal spasm following total laryngectomy. Following botulinum toxin injection, the patient was able to attempt phonation after one week.

    Conclusion

    High-resolution ultrasound is an effective modality to guide botulinum toxin injection into the spasmodic pharyngo-oesophageal segment. It allows intervention to be performed at the bedside or outpatient setting without associated radiation exposure.